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Leporimetis ephippium (Spengler, 1798)

Leporimetis ephippium
Leporimetis ephippium

Scientific Classification

Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Cardiida
Family: Tellinidae
Genus: Leporimetis
Species: Leporimetis ephippium (Spengler, 1798)

Information

Geological Range

Recent

Quaternary

Pleistocene

Neogene

Pliocene

Paleogeographic Distribution

Florida

Cuba

Grand Cayman, Cayman Islands

Stratigraphic Occurrences

Ironshore Formation
Jaimanitas Formation
Bermont Formation [Common]
Caloosahatchee Formation [Uncommon]
Tamiami Formation (Pinecrest Beds) [Uncommon]

Remarks

Common name: Atlantic fat tellin.

Synonymy:

Synonymous with Leporimetis intastriata (Say, 1826) and Tellina ephippium Spengler, 1798 (original combination).

Type specimen, locality, and stratum: n/a

Other voucher specimens: n/a

Descriptions:

Original Description (from Say, 1826, p. 218):

“Shell subovate, angulated at the anterior base, transversely wrinkled, and within slightly striated longitudinally.

Coast of East Florida.

Shell white, immaculate, ventricose; wrinkles distinct, and with obsolete, longitudinal striae: posterior slope near the hinge parallel to the base; posterior end obtusely rounded; anterior hinge slope rectilinear, oblique: anterior end rounded; fold rather profound, extending from the beak to the junction of the base, with the anterior end: base viewed from the disk of the right valve subrectilinear, but very much arcuated with the concavity of the shell: hinge teeth small, lateral teeth none: within longitudinally obsoletely striated: beak rather before the central.

Length 1 3/5 inches nearly; breadth 2 1/10 inches nearly.

This shell was handed me for examination by Professor Green, in whose cabinet the specimen is preserved: a right valve is in the collection of Mr. Hyde: In general outline, it resembles fig. 3, pl. 287 of Encycl. Meth.”

To access this description in its original formatting through the Biodiversity Heritage Library, click here.

Measurements: n/a

Other remarks:

For information on the modern distribution of the species, see Malacolog.

References: n/a

Online resources:

WoRMS record 724897

Page history:

Some of the content on this page was originally published on the Neogene Atlas of Ancient Life on July 8, 2014. It was developed by Jonathan R. Hendricks and colleagues and migrated here in 2026.

This page was last modified on October 28, 2026 by Jonathan R. Hendricks.

Media

Images

Leporimetis ephippium from the Middle Pleistocene Bermont Fm. of Palm Beach County, Florida (UF 42004).
Leporimetis ephippium from the Middle Pleistocene Bermont Fm. of Palm Beach County, Florida (UF 42004).
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Leporimetis ephippium from the Late Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 70091).
Leporimetis ephippium from the Late Pliocene Tamiami Fm. (Pinecrest Beds) of Sarasota County, Florida (PRI 70091).
Download Full Size

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