Extinct species of gastropod From Wikipedia, the free encyclopedia
Pleioptygma carolinense[1] is an extinct species of sea snail, a marine gastropod mollusk in the family Pleioptygmatidae.
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| Species: | † P. carolinense |
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| Pleioptygma carolinense | |
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Pleioptygma carolinensis is the type species of the genus Pleioptygma.[1]
This species is found in the Pliocene deposits of North Carolina.[2] The type locality is Duplin County, North Carolina.[2]
The type description of Pleioptygma carolinensis originally described as Voluta carolinensis by Timothy Abbott Conrad (1840)[2] reads as follows:
Voluta Carolinensis. — Shell subfusiform; whorls deeply channeled below the suture; superior margin of the channel carinated;
spire elevated, with prominent, rather distant acute spiral lines on the three or four superior whorls; large whorl with obscure, distant spiral lines, except towards the base, which is sulcated, and strongly
striated. Length 3 inches.
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