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Content tagged with "mollusk"

round pigtoe

Round Pigtoe

Pleurobema sintoxia
Round pigtoes are more rounded than Wabash pigtoes. Usually, the nacre (the shell lining) is white, but in rare individuals it is bright pink.

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scaleshell

Scaleshell

Leptodea leptodon
Rarely seen, this Endangered freshwater mussel has a thin and delicate shell that is strikingly beautiful inside.

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Manage your Missouri streams to help this endangered species.

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Photograph of Sheepnose freshwater mussel shell exterior view

Sheepnose (Bullhead)

Plethobasus cyphyus
The sheepnose has been classified as Endangered in Missouri and is a candidate for federal Endangered status.

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Manage your Missouri streams to help this endangered species.

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Snuffbox

Snuffbox

Epioblasma triquetra
The snuffbox has been classified as Endangered in Missouri and is a candidate for federal Endangered status. Perhaps it should also be a candidate for a new common name, since the popularity of snuff-taking is long past.

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Manage your Missouri streams to help this endangered species.

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Spectaclecase

Spectaclecase (Spectacle Case)

Cumberlandia monodonta
Missouri may have the largest number of spectaclecase mussels left in the world. These elongated shellfish can live for 60 years or more.

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spike

Spike (Ladyfinger)

Elliptio dilatata
Nacre color varies from purple to pink to white. In smaller rivers, the shell is much thinner.

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Table Bc02: Living and Dead Mussel Species Collected within the Gasconade River Watershed

Living and Dead Mussel Species Collected within the Gasconade River Watershed.

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