Pleioptygma carolinense

Pleioptygma carolinense[1] is an extinct species of sea snail, a marine gastropod mollusk in the family Pleioptygmatidae.

Pleioptygma carolinense Temporal range: Pliocene[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Neogastropoda
Superfamily:	Muricoidea
Family:	Pleioptygmatidae
Genus:	Pleioptygma
Species:	† P. carolinense
Binomial name
Pleioptygma carolinense (Conrad, 1840)[2]
Synonyms
Voluta carolinensis Conrad, 1840 Pleioptygma carolinensis

Pleioptygma carolinensis is the type species of the genus Pleioptygma.[1]

Distribution

This species is found in the Pliocene deposits of North Carolina.[2] The type locality is Duplin County, North Carolina.[2]

Description

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.

References

This article incorporates public domain text from the reference [2]

1. Quinn J. F. Jr. (1989). "Pleioptygmatidae, a new family of mitriform gastropods (Prosobranchia: Neogastropoda)". The Nautilus 103(1): 13-19.
2. Conrad T. A. (1840). "New fossil shells from N. Carolina". American Journal of Science 39(2): 387-388.

• Conrad, TA (1862). "Catalogue of the Miocene Shells of the Atlantic Slope". Proceedings of the Academy of Natural Sciences of Philadelphia. 14: 559–582+586. JSTOR 4059514.