Museum Homepage

The San Mateo County Historical Association
Online Collections Database

The mission of the San Mateo County Historical Association is to inspire wonder and discovery
of the cultural and natural history of San Mateo County.

Search Term Record

  • Email This Page
  • Send Feedback
Name Fossils
Number of Archive records 1
Number of Object records 65
Number of Photo records 0

Associated Records

Image of 2014.009.001 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil is coated with reddish sediment, likely indicating the presence of iron oxide.  Underside surface is also coated in red sediment.

2014.009.001 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is coated with reddish sediment, likely indicating the presence of iron oxide. Underside surface is also coated in red sediment.

Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is coated with reddish sediment, likely indicating the presence of iron oxide. Underside surface is also coated in red sediment.

Image of 2014.009.002 - Achatinoidea sp., Sea Snail Fossil Cast dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Partial imprint of a fossilized sea snail onto hardened sediment.  Reddish brown coloring along the sides of this fossil specimen.  Lighter colored patches also appear on the underside and along the sides.

2014.009.002 - Achatinoidea sp., Sea Snail Fossil Cast dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Partial imprint of a fossilized sea snail onto hardened sediment. Reddish brown coloring along the sides of this fossil specimen. Lighter colored patches also appear on the underside and along the sides.

Achatinoidea sp., Sea Snail Fossil Cast dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Partial imprint of a fossilized sea snail onto hardened sediment. Reddish brown coloring along the sides of this fossil specimen. Lighter colored patches also appear on the underside and along the sides.

Image of 2014.009.003 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is whelk-shaped, and pale beige in color.  Dark brown sediment, as if packed inside the shell, is exposed where shell loss has occurred.  Underside surface also reveals dark brown sediment where shell is lost, with unidentified white material embedded in exposed sediment.

2014.009.003 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is whelk-shaped, and pale beige in color. Dark brown sediment, as if packed inside the shell, is exposed where shell loss has occurred. Underside surface also reveals dark brown sediment where shell is lost, with unidentified white material embedded in exposed sediment.

Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is whelk-shaped, and pale beige in color. Dark brown sediment, as if packed inside the shell, is exposed where shell loss has occurred. Underside surface also reveals dark brown sediment where shell is lost, with unidentified white material embedded in exposed sediment.

Image of 2014.009.004 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil is pale brown in color and embedded in darker brown sediment.  Sediment is also exposed where shell loss has occurred.  On bottom portion of fossil (sediment), there are areas that have reddish streaks, likely indicating the presence of iron oxide.  Underside surface contains exposed snail fossil and other shell fragments.

2014.009.004 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is pale brown in color and embedded in darker brown sediment. Sediment is also exposed where shell loss has occurred. On bottom portion of fossil (sediment), there are areas that have reddish streaks, likely indicating the presence of iron oxide. Underside surface contains exposed snail fossil and other shell fragments.

Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is pale brown in color and embedded in darker brown sediment. Sediment is also exposed where shell loss has occurred. On bottom portion of fossil (sediment), there are areas that have reddish streaks, likely indicating the presence of iron oxide. Underside surface contains exposed snail fossil and other shell fragments.

Image of 2014.009.005 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil is pale gray and light brown, embedded in darker brown sediment.  There is a band of darker colored sediment that appears near the top of the shell.  Underside surface has shell fragments mixed with sediment.

2014.009.005 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is pale gray and light brown, embedded in darker brown sediment. There is a band of darker colored sediment that appears near the top of the shell. Underside surface has shell fragments mixed with sediment.

Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is pale gray and light brown, embedded in darker brown sediment. There is a band of darker colored sediment that appears near the top of the shell. Underside surface has shell fragments mixed with sediment.

Image of 2014.009.006 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is small and pigtail-shaped.  Dark brown in hue overall, with reddish tinge at the larger end (likely indicating presence of iron oxide).

2014.009.006 - Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is small and pigtail-shaped. Dark brown in hue overall, with reddish tinge at the larger end (likely indicating presence of iron oxide).

Achatinoidea sp., sea snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is small and pigtail-shaped. Dark brown in hue overall, with reddish tinge at the larger end (likely indicating presence of iron oxide).

Image of 2014.009.007 - Euspira lewisii, moon snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is small and snail-shaped, with visible swirl.  Overall reddish in hue, likely indicating presence of iron oxide. Underside surface also has reddish hue, and some dark brown sediment from inside shell is exposed.

2014.009.007 - Euspira lewisii, moon snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is small and snail-shaped, with visible swirl. Overall reddish in hue, likely indicating presence of iron oxide. Underside surface also has reddish hue, and some dark brown sediment from inside shell is exposed.

Euspira lewisii, moon snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is small and snail-shaped, with visible swirl. Overall reddish in hue, likely indicating presence of iron oxide. Underside surface also has reddish hue, and some dark brown sediment from inside shell is exposed.

Image of 2014.009.008 - Euspira lewisii, moon snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is snail-shaped, with distinct swirls visible at top of shell.  Shell is mostly white, with contrasting patches of varying shades of beige and darker gray sediment. Underside surface is mostly white, with grayish beige colored sediment exposed.

2014.009.008 - Euspira lewisii, moon snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is snail-shaped, with distinct swirls visible at top of shell. Shell is mostly white, with contrasting patches of varying shades of beige and darker gray sediment. Underside surface is mostly white, with grayish beige colored sediment exposed.

Euspira lewisii, moon snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is snail-shaped, with distinct swirls visible at top of shell. Shell is mostly white, with contrasting patches of varying shades of beige and darker gray sediment. Underside surface is mostly white, with grayish beige colored sediment exposed.

Image of 2014.009.009 - Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is brownish gray in color, with a thick white band along the front edge of its shell.  White area bleeds towards the back of shell, highlighting ribs that extend the length of the shell.  Small reddish patches on one side of shell likely indicate presence of iron oxide.  Underside surface is predominantly grayish brown, with white stripes extending from ligament, along left and right edges of shell.

2014.009.009 - Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is brownish gray in color, with a thick white band along the front edge of its shell. White area bleeds towards the back of shell, highlighting ribs that extend the length of the shell. Small reddish patches on one side of shell likely indicate presence of iron oxide. Underside surface is predominantly grayish brown, with white stripes extending from ligament, along left and right edges of shell.

Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is brownish gray in color, with a thick white band along the front edge of its shell. White area bleeds towards the back of shell, highlighting ribs that extend the length of the shell. Small reddish patches on one side of shell likely indicate presence of iron oxide. Underside surface is predominantly grayish brown, with white stripes extending from ligament, along left and right edges of shell.

Image of 2014.009.010 - Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is comprised of two shells, separated by a layer of sediment.  Top shell has ridges that appear to run the length of its surface.  One large fracture runs across the width of the shell, with another fracture that runs the length, from ligament to front edge.  Shell is fragmented along its front edge.  Bottom shell has larger ridges, indicating that these two shells are likely not from the same animal.  Most of the bottom shell is lost, but ridges appear to have extended the length of the shell.  Both shells are white and sediment between the two is light brown.

2014.009.010 - Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of two shells, separated by a layer of sediment. Top shell has ridges that appear to run the length of its surface. One large fracture runs across the width of the shell, with another fracture that runs the length, from ligament to front edge. Shell is fragmented along its front edge. Bottom shell has larger ridges, indicating that these two shells are likely not from the same animal. Most of the bottom shell is lost, but ridges appear to have extended the length of the shell. Both shells are white and sediment between the two is light brown.

Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of two shells, separated by a layer of sediment. Top shell has ridges that appear to run the length of its surface. One large fracture runs across the width of the shell, with another fracture that runs the length, from ligament to front edge. Shell is fragmented along its front edge. Bottom shell has larger ridges, indicating that these two shells are likely not from the same animal. Most of the bottom shell is lost, but ridges appear to

Image of 2014.009.011 - Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is comprised of two different shells.  Top shell is white, more rounded in shape, with ridges that extend along the length of the shell.  Multiple cracks run throughout the surface, with loss of shell along front edge and along one side.  Bottom shell is also white, but is flatter and more oval in shape. Bluish growth rings are visible on the shell surface.  Shell loss along the front edge of shell, and a fracture towards the back of the shell, exposing underlying grayish brown sediment.  Cracks run throughout surface of bottom shell.

2014.009.011 - Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of two different shells. Top shell is white, more rounded in shape, with ridges that extend along the length of the shell. Multiple cracks run throughout the surface, with loss of shell along front edge and along one side. Bottom shell is also white, but is flatter and more oval in shape. Bluish growth rings are visible on the shell surface. Shell loss along the front edge of shell, and a fracture towards the back of the shell, exposing underlying grayish brown sediment. Cracks run throughout surface of bottom shell.

Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of two different shells. Top shell is white, more rounded in shape, with ridges that extend along the length of the shell. Multiple cracks run throughout the surface, with loss of shell along front edge and along one side. Bottom shell is also white, but is flatter and more oval in shape. Bluish growth rings are visible on the shell surface. Shell loss along the front edge of shell, and a fracture towards the back of the shell, exposing unde

Image of 2014.009.012 - Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is scalloped-shaped, pinkish in hue and is rounded at the top.  Light brown sediment fills the spaces between ridges that run the length of the shell.  Underside surface has large fragment of another species of clam, also pinkish in hue.  This clamshell is flatter, with growth rings.  Underlying light brown sediment is exposed, embedded with smaller fragments of shell.

2014.009.012 - Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is scalloped-shaped, pinkish in hue and is rounded at the top. Light brown sediment fills the spaces between ridges that run the length of the shell. Underside surface has large fragment of another species of clam, also pinkish in hue. This clamshell is flatter, with growth rings. Underlying light brown sediment is exposed, embedded with smaller fragments of shell.

Clinocardium nuttalli, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is scalloped-shaped, pinkish in hue and is rounded at the top. Light brown sediment fills the spaces between ridges that run the length of the shell. Underside surface has large fragment of another species of clam, also pinkish in hue. This clamshell is flatter, with growth rings. Underlying light brown sediment is exposed, embedded with smaller fragments of shell.

Image of 2014.009.013 - Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is stone-colored, with some patches of white and some areas with a reddish tinge (likely indicating the presence of iron oxide).  Faint ridges are visible on one side, running the length of the shell.  Underside surface is irregularly shaped, with a partial shell cast and other shell fragments throughout. Some reddish patches are visible.

2014.009.013 - Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is stone-colored, with some patches of white and some areas with a reddish tinge (likely indicating the presence of iron oxide). Faint ridges are visible on one side, running the length of the shell. Underside surface is irregularly shaped, with a partial shell cast and other shell fragments throughout. Some reddish patches are visible.

Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is stone-colored, with some patches of white and some areas with a reddish tinge (likely indicating the presence of iron oxide). Faint ridges are visible on one side, running the length of the shell. Underside surface is irregularly shaped, with a partial shell cast and other shell fragments throughout. Some reddish patches are visible.

Image of 2014.009.014 - Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is white, scalloped-shaped with a rounded top.  Ridges run the length of the shell.  Shell is embedded in light-brown colored sediment.  A smaller shell fragment sits beside the specimen.  Underside surface has shell fragments throughout.

2014.009.014 - Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is white, scalloped-shaped with a rounded top. Ridges run the length of the shell. Shell is embedded in light-brown colored sediment. A smaller shell fragment sits beside the specimen. Underside surface has shell fragments throughout.

Clinocardium nuttali, basket cockle fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is white, scalloped-shaped with a rounded top. Ridges run the length of the shell. Shell is embedded in light-brown colored sediment. A smaller shell fragment sits beside the specimen. Underside surface has shell fragments throughout.

Image of 2014.009.015 - Nassarius? sp., top snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is embedded in sediment, with only the top swirl visible.  Specimen is multi-colored in white, red and various shades of brown.  Red indicates the likely presence of iron oxide.  Underside surface has what appears to be white shell fragments, resembling white threads embedded in sediment.

2014.009.015 - Nassarius? sp., top snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is embedded in sediment, with only the top swirl visible. Specimen is multi-colored in white, red and various shades of brown. Red indicates the likely presence of iron oxide. Underside surface has what appears to be white shell fragments, resembling white threads embedded in sediment.

Nassarius? sp., top snail fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is embedded in sediment, with only the top swirl visible. Specimen is multi-colored in white, red and various shades of brown. Red indicates the likely presence of iron oxide. Underside surface has what appears to be white shell fragments, resembling white threads embedded in sediment.

Image of 2014.009.016 - Cardium sp., cockle (clam) fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is comprised of two shells sandwiched together.  Larger shell on top has distinct growth rings, with sediment filling the spaces between rings.  Smaller shell on underside surface also has growth rings, but are not as pronounced.  Dark brown sediment fills the space between the two and anchors them together.  Both shells are in varied shades of brown and beige.  Surrounding sediment also contains smaller shell fragments.

2014.009.016 - Cardium sp., cockle (clam) fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of two shells sandwiched together. Larger shell on top has distinct growth rings, with sediment filling the spaces between rings. Smaller shell on underside surface also has growth rings, but are not as pronounced. Dark brown sediment fills the space between the two and anchors them together. Both shells are in varied shades of brown and beige. Surrounding sediment also contains smaller shell fragments.

Cardium sp., cockle (clam) fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of two shells sandwiched together. Larger shell on top has distinct growth rings, with sediment filling the spaces between rings. Smaller shell on underside surface also has growth rings, but are not as pronounced. Dark brown sediment fills the space between the two and anchors them together. Both shells are in varied shades of brown and beige. Surrounding sediment also contains smaller shell fragments.

Image of 2014.009.017 - Cardium sp.,cockle (clam) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen has a fully preserved top and bottom shell, still connected by the ligament.  Both shells are concave in shape.  A fracture runs down the middle of the top shell.  Area closest to the ligament is white;  the remaining area is multicolored in varying shades of brown, beige and reddish brown (likely indicating the presence of iron oxide).   Growth lines are easily visible.  The bottom shell has a fracture that runs diagonally across the shell.  Shell is multi-colored in shades of white, beige and reddish brown.  Growth lines are easily visible.

2014.009.017 - Cardium sp.,cockle (clam) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen has a fully preserved top and bottom shell, still connected by the ligament. Both shells are concave in shape. A fracture runs down the middle of the top shell. Area closest to the ligament is white; the remaining area is multicolored in varying shades of brown, beige and reddish brown (likely indicating the presence of iron oxide). Growth lines are easily visible. The bottom shell has a fracture that runs diagonally across the shell. Shell is multi-colored in shades of white, beige and reddish brown. Growth lines are easily visible.

Cardium sp.,cockle (clam) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen has a fully preserved top and bottom shell, still connected by the ligament. Both shells are concave in shape. A fracture runs down the middle of the top shell. Area closest to the ligament is white; the remaining area is multicolored in varying shades of brown, beige and reddish brown (likely indicating the presence of iron oxide). Growth lines are easily visible. The bottom shell has a fracture that runs diagonally across the shell. Shell is mult

Image of 2014.009.018 - Cardium sp., cockle (clam) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil specimen is comprised of four cockle shells embedded in sediment.  One appears to remain intact, with half of its body exposed and the other half embedded.  The partial shell of a second animal surrounds it.  Two other cockles are also attached, perpendicular to each other.  Shells are different shades of white, with some reddish patches throughout, likely indicating the presence of iron oxide.  Growth rings on exposed shells are easily visible.

2014.009.018 - Cardium sp., cockle (clam) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of four cockle shells embedded in sediment. One appears to remain intact, with half of its body exposed and the other half embedded. The partial shell of a second animal surrounds it. Two other cockles are also attached, perpendicular to each other. Shells are different shades of white, with some reddish patches throughout, likely indicating the presence of iron oxide. Growth rings on exposed shells are easily visible.

Cardium sp., cockle (clam) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil specimen is comprised of four cockle shells embedded in sediment. One appears to remain intact, with half of its body exposed and the other half embedded. The partial shell of a second animal surrounds it. Two other cockles are also attached, perpendicular to each other. Shells are different shades of white, with some reddish patches throughout, likely indicating the presence of iron oxide. Growth rings on exposed shells are easily visible.

Image of 2014.009.019 - Buccinum sp., whelk (sea snail) fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil is snail-shaped, with easily identifiable swirl at one end.  Specimen is overall brown in hue, with some reddish patches, likely indicating the presence of iron oxide.  Sediment within the shell is visible from underside surface of fossil.

2014.009.019 - Buccinum sp., whelk (sea snail) fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is snail-shaped, with easily identifiable swirl at one end. Specimen is overall brown in hue, with some reddish patches, likely indicating the presence of iron oxide. Sediment within the shell is visible from underside surface of fossil.

Buccinum sp., whelk (sea snail) fossil dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is snail-shaped, with easily identifiable swirl at one end. Specimen is overall brown in hue, with some reddish patches, likely indicating the presence of iron oxide. Sediment within the shell is visible from underside surface of fossil.

Image of 2014.009.020 - Buccinum sp., whelk (sea snail) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones.  Fossil is light brown overall, with a dark spot (mixed with what appears to be white shell fragments) toward the top of its shell.  Growth lines are easily visible.  Underside surface has other shell fragments and sediment from within the shell is exposed.

2014.009.020 - Buccinum sp., whelk (sea snail) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is light brown overall, with a dark spot (mixed with what appears to be white shell fragments) toward the top of its shell. Growth lines are easily visible. Underside surface has other shell fragments and sediment from within the shell is exposed.

Buccinum sp., whelk (sea snail) fossil, 1.5-.75 Ma dating from between 1.5 million years ago to .75 million years ago commonly found at low tide in littoral (sandy and muddy bottom) or sub-littoral (open bay, muddy marine) zones. Fossil is light brown overall, with a dark spot (mixed with what appears to be white shell fragments) toward the top of its shell. Growth lines are easily visible. Underside surface has other shell fragments and sediment from within the shell is exposed.