Related Records

1. Abra alba

   Five oval shaped marine valves, (includes one complete bivalve). The shells are off-white in color with a pale brown periostracum. The posterior and anterior margins are smooth and rounded. The interiors of the shells are white with a glossy appearance. The shells are marked with faint horizontal growth lines.

   Record Type: Object

   
2. Actinonaias ligamentina

   Two valves comprising one complete freshwater mussel. The exteriors are vary shades of brown with a thick periostracum that is flaking due to wear. The interiors have a white, slightly iridescent nacre. The oval shaped valves have deep growth lines, deep muscle scars, large hinge teeth, and striations. The valves have pointed posterior edges and rounded anterior edges.

   Record Type: Object

   
3. Agriopoma morrhuanum

   Single isolated internal cast (steinkern) of the clam Pitar morrhuanus. No internal features are apparent due to preservation.

   Record Type: Object

   
4. Agriopoma morrhuanum

   Two isolated left clam valves. Inflated umbo with delicate concentric striae.

   Record Type: Object

   
5. Alasmidonta undulata

   Two freshwater mussel valves comprising one complete specimen. The exteriors are brown with pronounced growth lines. There are also lighter brown lines going down vertically across the specimen. Hinge is shallow and neither the pallial line nor the muscle scars are distinct.

   Record Type: Object

   
6. Amblema plicata

   One freshwater valve. The shell is dark brown/black in color with a white umbo. The nacre on the ventral side is an iridescent white, pink, and green with a noticeable change at the ventral margin, where it gets slightly more of a tan color.

   Record Type: Object

   
7. Amblema plicata

   Four freshwater mussel valves (one complete freshwater specimen and two partials). The exteriors are dark brown, brown, and tan in color with and a thick periostracum that is flaking due to wear. The interiors are an iridescent, silver to white nacre. The auriform shaped shells are elongated and covered with growth lines, striations, and pronounced costae. The shells have moderately sized muscle scars, large hinge teeth, and rounded anterior and...

   Record Type: Object

   
8. Amblema plicata

   Four freshwater mussel valves comprising two complete specimens. The exteriors are dark brown in color with thick periostracum that is flaking due to wear. The interiors are a slightly iridescent, silver to white color with a small amount of silver interior nacre. The periostracum on the umbos of the shells is flaking off due to wear. The shells are elongated and are covered with growth lines, striations, and pronounced costae. The auriform shape...

   Record Type: Object

   
9. Amblema plicata - 03/1873

   Two valves of a freshwater mussel, one complete marine bivalve. The exterior of the valves is a dark brown with the interior being a glossy white. The anterior muscle scars are discolored to a light brown and break the smooth texture of the rest of the interior. The posterior muscle scars are not discolored with little to no noticeable change in texture. The shells have a noticeable pallial line but an indiscernible pallial sinus. Serrations are ...

   Record Type: Object

   
10. Anadara brasiliana

    One valve of a clam shell. It is ovoid and slightly triangular in shape. The anterior end is rounded showing slight damage. A large beak is present with a straight hinge line. The valve is white in color and partially covered in in periostracum. There are smooth ribs on the left side of the valve with beaded ribs on the right.

    Record Type: Object

    
11. Anadara lienosa

    One fossil marine valve. The dorsal of the valve is pale gray, white, and light tan in color. The ventral is a reddish tan with prominent muscle scars and very fine striae at the ventral margin. The entire valve is covered in small holes and raised striae radiate from the hinge to the outer lip. Growth lines are more visible near the outer lip.

    Record Type: Object

    
12. Anodonta cygnea

    Two freshwater mussel valves, one complete specimen. The exteriors are varying shades of brown, ranging from tan to dark brown and are covered with growth lines. The periostracum is flaking, especially around their umbos. There is a large crack down the right-side of 21-408.1. Valve 21-408.2 is broken into four fragments. The interiors are an iridescent, silver to white color with very shallow muscle scars and no visible hinge teeth. The ellipse ...

    Record Type: Object

    
13. Anodonta nuttalliana

    Fourteen freshwater mussel valves, seven complete specimens. The exteriors range from dark to medium brown, gray, and olive green in color and are covered with growth lines. The periostracum is flaking nearing the umbos. The interiors exhibit an iridescent, silver to white color with very shallow muscle scars, and no visible hinge teeth. The triangularly shaped shells have large wing-shaped shelves near the umbos, rounded anterior edges and round...

    Record Type: Object

    
14. Anomia argentaria

    Isolated valve of a marine clam. The shell is very thin and nearly circular. The broken margin exhibits bright silver luster referenced in the species name. Exterior morphology is marked by very fine concentric striae.

    Record Type: Object

    
15. Arcidens confragosus

    Two valves comprising one complete freshwater mussel. The shells are elliptical, and the exteriors show a range of colors from dark brown and tan to green. The anterior edge of the shells is rounded, and the posterior edge of the shells is squared. The interiors of the shells are an iridescent, silver to white nacre. Deep growth lines, striations, and nodules cover the shells. The thick periostracum on the nodules of the shells has flaked off due...

    Record Type: Object

    
16. Arcinella arcinella

    Single isolated right valve of a jewelbox clam. The shell has at approximately five low radial ribs that are spinous (though many spines are broken off). Frilled growth layers are prominent and fine radial costae are present between the ribs. Matrix obscures the beak and teeth.

    Record Type: Object

    
17. Atrina seminuda

    Eight saltwater clam valves. The exteriors are brown to tan in color. The shells have shallow ribs and are covered with spines, growth lines and a thin periostracum. The interiors are glossy and iridescent in appearance and tan to purple in color. The shells have very shallow muscle scars, no noticeable hinge teeth, and are translucent. The triangular shaped shells have pointed posterior edges and rounded anterior edges.

    Record Type: Object

    
18. Barnea subtruncata

    Two valves comprising one complete marine bivalve. The shells are tan to ivory in color, with a slightly iridescent, silver to ivory color inside. The shells have a small amount of silver interior nacre and a thin periostracum. The shells have patches of brown periostracum near their edges. The shells are elongated, ellipses with blunt beaked anterior edges and are covered with growth lines, striations, and small nodules. The shells have very sha...

    Record Type: Object

    
19. Bivalvia (indeterminate)

    Two valves comprising one complete specimen. The shells are tan to ivory in color, with a silver to white color inside. The shells are translucent, indicating a thin periostracum. The shells have patches of brown periostracum near their edges. The shells are elongated and are covered with fine irregular concentric growth lines and striations. The shells are triangular in shape. The shells have very shallow muscle scars and very small hinge teeth....

    Record Type: Object

    
20. Bivalvia (indeterminate)

    Two valves comprising one complete specimen. The exteriors coloration vary from ivory and tan to white in color. The interiors are gray, ivory, and white. The shells have a thick periostracum. that is no longer present over most of the exteriors, although patches of brown periostracum appear on the anterior edges. The shells are covered with growth lines and striations. The shells have very shallow muscle scars and small hinge teeth. The shells a...

    Record Type: Object

    
21. Brachiopoda (indeterminate)

    Sample of reddish brown limestone packed with casts of brachiopods, probably spiriferid forms.

    Record Type: Object

    
22. Callanaitis disjecta

    Two white marine clam valves. The exteriors appear stacked with raised lamellae at each layer's edge. The beaks are yellowed.

    Record Type: Object

    
23. Carditidae (indeterminate)

    Large external cast of the clam preserved as a dark gray sandy mold of the outer shell ornamentation. Characterized by stout ribs that flare at the outer margin. Small ostreid casts are also present.

    Record Type: Object

    
24. Castalia ambigua

    Four valves comprising two complete freshwater mussels. The triangular-shaped valves are dark brown and have a rusty appearance. Internally the valves are slightly iridescent, and are silver to ivory in color. The valves have a small amount of silver interior nacre and a thick periostracum. The periostracum on the umbos of the valves and in various patches on the valves is flaking off due to wear. The valves are elongated, and are covered with gr...

    Record Type: Object

    
25. Chama congregata

    Two complete articulated clams, four valves total. The larger clam is filled with matrix. The left valve is larger than right valve which is essentially a lid. External morphology is characterized by numerous layers of shell forming rugose growth lamellae.

    Record Type: Object

    
26. Chama corticosa

    Isolated left valve of a jewelbox clam, notable is its sinistral coiling (counter-clockwise) at the beak. External morphology is characterized by numerous layers of very thin and delicate frilled growth lamellae. These layers are much broken in this specimen.

    Record Type: Object

    
27. Chama florida

    Three patellate, clam valves. Coloration is white to gray with small spots of pink to purple around the beak and exterior of the shells. Ornamentation includes raised striae or evidence of previously existing raised striae along the growth lines.

    Record Type: Object

    
28. Chama florida

    Three patellate, clam valves. Coloration is white to gray with small spots of pink to purple around the beak and exterior of the shells. Ornamentation includes raised striae or evidence of previously existing raised striae along the growth lines.

    Record Type: Object

    
29. Chama pacifica

    One marine saltwater valve. The exterior is tan in color with raised and rigid costae on the dorsal side. The interior is also tan. There are visible muscle scars, and the pallial line is also visible. The ventral margin has a prominent ridge around it.

    Record Type: Object

    
30. Cumberlandia monodonta

    Four valves of two complete freshwater mussel specimens. The elliptical-shaped valves are dark brown to brown in color, with an iridescent, silver to ivory color inside. The valves have silver interior nacre and a thick periostracum. The periostracum on the umbos of the shells is flaking off due to wear. The valves are elongated, covered with growth lines and striations, have shallow muscle scars and small hinge teeth. The valves have pointed pos...

    Record Type: Object

    
31. Cumingia tellinoides

    Eight valves of clam shells. The shells are white in color. The shell is somewhat triangular with smooth ventral margins. Muscle scars are present on the interior.

    Record Type: Object

    
32. Cyclonaias pustulosa

    Two freshwater mussel valves, one complete specimen. The exteriors are dark brown with obvious growth lines and protruding nodules. The periostracum is flaking near the umbos. The interiors are iridescent. The nearly circular valves have deep and obvious hinge teeth and visible muscle scars.

    Record Type: Object

    
33. Cyclonaias pustulosa

    Two freshwater mussel valves, one complete specimen. The exteriors are dark brown with obvious growth lines and protruding nodules. The periostracum is flaking near the umbos. The interiors are iridescent. The nearly circular valves have deep and obvious hinge teeth.

    Record Type: Object

    
34. Cyclonaias pustulosa

    One freshwater mussel valve. The exterior is heavily textured and dark brown with very deep growth lines accompanied by large nodules. The interior is iridescent with prominent hinge teeth.

    Record Type: Object

    
35. Cyclonaias pustulosa

    Four valves comprising two complete freshwater mussels. The shells are brown to tan in color, with a thick periostracum that is flaking near the umbos. The exteriors also have growth lines, striations, and large nodules covering the valves. The interiors have an iridescent, silver nacre, deep muscle scars and large hinge teeth. The shells are circular in shape. The two smaller shells have a grayish, moldy appearance. The shells have rounded post...

    Record Type: Object

    
36. Cyclonaias tuberculata

    Four freshwater mussel valves (two complete specimens). The exteriors are brown to light-brown in color. Deep growth lines, striations, and large nodules cover the exteriors. and a thick periostracum. The thick periostracum is beginning to flake on the umbos and nodules, due to wear. The interiors are an iridescent, silver to pink color. The oval shaped valves have deep muscle scars, large hinge teeth, squared posterior edges and rounded anterio...

    Record Type: Object

    
37. Cyclonaias tuberculata

    Six freshwater mussel valves, three complete specimens. The exteriors are dark brown to brown in color with deep growth lines, striations and large nodules. The interiors have an iridescent, silver to pink color. The shells have silver interior nacre and a thick periostracum. The periostracum is flaking on the shells' umbos and nodules due to wear. The shells have deep muscle scars and large hinge teeth. The shells are oval shaped with squared po...

    Record Type: Object

    
38. Cyprogenia stegaria

    Two valves comprising one complete freshwater mussel. The exteriors are brown to tan in color with dark green color bands and are covered with growth lines and striations. The interiors are a slightly iridescent, white color with a small amount of silver interior nacre. The shells have a thick periostracum that is flaking due to wear. The circular shaped shells have deep muscle scars, large hinge teeth, and rounded posterior and anterior edges.

    Record Type: Object

    
39. Dallarca idonea

    Two isolated left valves. Shell is ovate with a straight row of hinge teeth that are slightly taller at each end. Approximately thirty-two radial ribs are heavy and the posterior of the shell is flared.

    Record Type: Object

    
40. Dallarca idonea

    Three isolated ark shells; one large and the two smaller, nearly equal in size shells. The large shell is sub-rectangular with twenty-eight heavy ribs that have slight nodes where the growth lines intersect the ribs. A straight row of teeth is present with inner teeth shorter than outer teeth. There is a strong fold along one side of the beak. The two smaller shells have no nodes on the ribs.

    Record Type: Object

    
41. Dinocardium robustum

    Two isolated marine clam valves. The exteriors are cream to tan in color with varied brown spots and are covered in radiating ribs that extend from the protruding beaks. The interiors are purple in color.

    Record Type: Object

    
42. Ellipsaria lineaolata

    Six rounded triangular shaped freshwater mussel valves (three complete specimens). The exteriors of the valves are an olive-brown color with dots of black. The exteriors also exhibit growth lines and striations which radiate from the hinge. The interiors of the shells are white with a faint glossy iridescent hue.

    Record Type: Object

    
43. Elliptio angustata

    Two freshwater mussel valves, one complete specimen. The exteriors are light brown and fade to a dark brown and white near the umbo (due to the loss of periostracum due to wear). The exteriors are also covered with growth lines. The interiors are white with areas of iridescent coloration and visible muscle scars.

    Record Type: Object

    
44. Elliptio angustata

    Two valves comprising one freshwater mussel. The exteriors are dark brown with a thick periostracum that is flaking due to wear. The interiors have an iridescent silver nacre, shallow muscle cars and small hinge teeth. The elliptical shaped shells are elongated and covered with growth lines and striations. The valves have pointed posterior edges and slightly pointed anterior edges.

    Record Type: Object

    
45. Elliptio angustata

    Two valves comprising one complete freshwater mussel specimen. The exteriors are dark brown. The interiors have a silver nacre and are irisdescent. The periostracum on the umbos started to flake due to wear. The elliptical shaped valves are elongated, covered with growth lines and striations, have shallow muscle scars, and moderately sized hinge teeth. The valves have pointed posterior edges and rounded anterior edges.

    Record Type: Object

    
46. Elliptio arctata

    Twenty-one freshwater mussel valves comprising ten complete and one incomplete specimens. The exteriors are grey and brown with visible growth lines. Some of the specimens have white at the umbos due to flaking. The interiors of the valves are iridescent white and tan. The hinges are shallow and there are slightly visible muscle scars and wide ventral margins.

    Record Type: Object

    
47. Elliptio complanata

    Sixteen freshwater mussel valves, eight complete specimens. The exteriors are dark brown fading to white at the umbos due to wear. The interiors are iridescent with visible muscle scars. The hinge teeth are more prominent in the larger specimens of this group.

    Record Type: Object

    
48. Elliptio congaraea

    Eight freshwater valves, comprising four complete mussel specimens. The exteriors are light to dark brown in color and reach a glossy white color at the hinge. The exteriors also have horizontal radiating growth lines and black dashed colorings. The interiors of the valves are white in color with a slightly glossy and iridescent hue.

    Record Type: Object

    
49. Elliptio congaraea

    Five freshwater mussels, two complete and one partial specimens. The exteriors of the shells are brown to light brown in color. The interiors of the shells are slightly iridescent, silver to white color. The shells have a small amount of silver interior nacre and a thin periostracum. The periostracum on the umbos of the shells is flaking off due to wear. The ellipse shaped shells are elongated and are covered with growth lines and striations. The...

    Record Type: Object

    
50. Elliptio crassidens

    Forty-eight valves comprising twenty-four freshwater mussels. The exteriors are covered in a thick periostracum that is a dark brown color and flaking at the umbos due to wear. The interiors have an iridescent, silver and white to pink nacre. The triangular shaped valves have deep muscle scars and large hinge teeth. The valves resemble an elephant's ear with pointed posterior edges and rounded anterior edges.

    Record Type: Object