Related Records

1. 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

   
2. 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

   
3. 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

   
4. 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

   
5. 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

   
6. 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

   
7. 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

   
8. 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

   
9. 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

   
10. 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

    
11. 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

    
12. 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

    
13. 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

    
14. 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

    
15. 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

    
16. 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

    
17. 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

    
18. 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

    
19. 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

    
20. 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

    
21. 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

    
22. 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

    
23. 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

    
24. 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

    
25. 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

    
26. 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

    
27. Elliptio crassidens

    Four freshwater mussel valves comprising two complete specimens. The exteriors are dark brown toward the umbos and turn to a lighter brown toward the outer edge. There are visible growth lines and white at the umbos due to wear. The interior of the valves are a matte cream white with deep hinges and distinct muscle scars.

    Record Type: Object

    
28. 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

    
29. Elliptio dariensis

    Six articulated freshwater mussel valves (three complete specimens). The exteriors are dark brown in color with visible growth lines and areas of iridescent white at the umbo and chipped areas. The interiors are an iridescent white with visible muscle scars and ventral margins.

    Record Type: Object

    
30. Elliptio fisheriana

    Four valves comprising two complete freshwater mussel specimens. The exteriors are varying shades of brown with a thick periostracum that is flaking in areas due to wear. The interiors have a silver nacre. The elliptical shells are very elongated with very shallow muscle scars, small hinge teeth, and exterior growth lines and striations. The valves are covered with a brown sandy substance that gives them a rusty appearance. The valves have pointe...

    Record Type: Object

    
31. Elliptio folliculata

    Twelve freshwater mussel valves, six complete specimens. The exteriors are various shades of brown to black with subtle growth lines. The periostracum on the shells is flaking off, heavily nearing the umbos. Shallow muscle scars are visible on the interiors, which are iridescent with areas of light brown. The ellipse shaped shells have very small hinge teeth, rounded anterior edges, and pointed posterior edges. The shells are covered with a brow...

    Record Type: Object

    
32. Elliptio folliculata

    Sixteen freshwater mussel valves, six complete specimens and four additional valves. The exteriors are various shades of brown to black with subtle growth lines. The periostracum is flaking off, especially around the umbos. Shallow muscle scars are visible on the interiors of which are iridescent with areas of light brown. The ellipse shaped shells have very small hinge teeth, rounded anterior edges, and pointed posterior edges. The shells are co...

    Record Type: Object

    
33. Elliptio folliculata

    Sixteen freshwater mussel valves, seven complete specimens with two additional valves. The exteriors are various shades of brown to black with subtle growth lines. The periostracum is flaking off, especially around their umbos. Shallow muscle scars are visible on the interiors, which are iridescent with areas of light brown. The ellipse shaped shells have very small hinge teeth, rounded anterior edges, and pointed posterior edges. The shells are ...

    Record Type: Object

    
34. Elliptio hopetonensis

    Thirty-two complete freshwater mussels, sixty-four valves. The exteriors are a deep brown color with a thick periostracum. The interiors are a silver-like, white to purple. The valves are elongated with deep growth lines and striations.

    Record Type: Object

    
35. Elliptio hopetonensis

    Two freshwater mussel valves, one complete specimen. The exteriors exhibit varying shades of brown to olive green color and are covered with growth lines. The periostracum is flaking near the umbos. The interiors are an iridescent, silver to white color. The ellipse shaped shells have shallow muscle scars, large hinge teeth, rounded anterior edges, and squared posterior edges.

    Record Type: Object

    
36. Elliptio icterina

    Two freshwater mussel valves, one complete specimen. The exteriors are brown and green with minor scratches at the umbos of both valves. There are visible striae and color bands radiating from the umbos. The interiors are iridescent and have visible muscle scars.

    Record Type: Object

    
37. Elliptio icterina

    Six freshwater mussels, three complete specimens. The exteriors are green-brown in color and have subtle growth lines along with vertical striations. The interiors are white to iridescent in coloration. One shell has pink discoloration on the interior. One bivalve is held secured by a delicate string.

    Record Type: Object

    
38. Elliptio icterina

    Two freshwater mussel valves, one complete specimen. The exteriors are dark to light brown with subtle growth lines, and areas near the umbos where the shell appears white due to flaking of the periostracum. Muscle scars are visible on the iridescent interiors of the valves.

    Record Type: Object

    
39. Elliptio icterina

    Fourteen freshwater mussels, seven complete specimens. The exteriors of the shells vary in color from black-brown, tan, red-brown, to white with visible striae and chipping at the umbo. The interiors of the shells are a pearlescent white with a pink and green sheen. The ventral margins and muscle scars are visible.

    Record Type: Object

    
40. Elliptio icterina

    Two freshwater mussel valves, one complete specimen. The exteriors are dark brown to green in color and the umbo, exposed by the loss of the periostracum, is white. There are growth lines and vertical striations also visible on the exteriors of the valves. The interiors are a dirty, iridescent color and muscle scars are visible.

    Record Type: Object

    
41. Elliptio jayensis

    Thirteen complete freshwater bivalves. Four of the bivalves are sealed closed with nine bivalves matching but not attached are present (18 valves). The shells are auriform in shape with colors ranging from dark tan, black, gray to white in combinations. The umbos are typically white, but coloration patterns vary with some showing swirls, color bands, and flaking. Growth lines are present and occasionally raised. The interiors of the shells are du...

    Record Type: Object

    
42. Elliptio lanceolata

    Six freshwater mussel valves, three complete specimens. The exteriors are dark brown fading to white near the umbos due to wear. Subtle growth lines also appear on the exterior. The interiors are iridescent and white with visible muscle scars.

    Record Type: Object

    
43. Elliptio producta

    Twenty freshwater mussel valves, nine complete specimens and two unpaired valves. The exteriors are light brown to dark brown in color. The valves fade white near the umbo. The interiors are iridescent in color and all bivalves are held together by delicate strings.

    Record Type: Object

    
44. Elliptio shepardiana

    Six valves comprising three complete freshwater mussel specimens. The exteriors are dark brown in color with a thick periostracum that is flaking due to wear. The interiors have an iridescent, white to pink interior nacre. The elliptical valves are very elongated, have deep muscle scars, large hinge teeth, and are covered with growth lines and striations. The valves have pointed posterior edges and rounded anterior edges.

    Record Type: Object

    
45. Elliptoideus sloatianus

    Four freshwater mussel valves comprising two complete specimens. The exteriors are dark brown to brown in color with thick periostracum that is flaking near the umbos due to wear. The interiors are an iridescent, silver to white color with silver interior nacre. The elongated shells are covered with growth lines, striations, and pronounced costae. The "elephant ear" shaped shells have moderately sized muscle scars, moderately sized hinge teeth, r...

    Record Type: Object

    
46. Epioblasma brevidens

    Three freshwater valves in total; the two smaller shells form a complete bivalve. The shells are auriform in shape and light tan in color. There are light-black thin incised dashed lines that radiate from the umbo and growth lines are visible.

    Record Type: Object

    
47. Epioblasma obliquata

    Two freshwater mussel valves, one complete specimen. The exteriors are dark brown with very thin black color bands from umbo to outer edge. The interiors are pearlescent white with a pink sheen with visible ventral margins and muscle scars.

    Record Type: Object

    
48. Epioblasma torulosa

    One valve of a freshwater mussel. The valve is round in shape. The exterior of the valve is a light brown color with a green hue and reaches white near the hinge. Covering the exterior of the shell are thin, green, vertical striations that radiate from the hinge of the shell to the edges. The interior of the shell is white in color with a slightly pearlescent coating.

    Record Type: Object

    
49. Epioblasma triquetra

    Four valves which form two complete freshwater mussel specimens. The valves are tan in color with greenish hues on the exterior and reach a darker brown to black color near the hinges. The exterior of the valves have an angled arch that gives them a triangular shape. Thin striations radiate from the hinges of the valves. The interior of the shells are white in color with a slight pearlescent hue.

    Record Type: Object

    
50. Eurynia dilatata

    Nine freshwater valves, four complete specimens and one unpaired valve. The exteriors are dark brown to tan in color with visible growth lines and vertical striations. The interiors are iridescent with visible muscle scars.

    Record Type: Object