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Dinocardium chipolanum (Dall, 1900)

Dinocardium chipolanum
Dinocardium chipolanum

Scientific Classification

Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Imparidentia
Family: Cardiidae
Genus: Dinocardium
Species: Dinocardium chipolanum (Dall, 1900)

Information

Geological Range

Neogene

Miocene

Paleogeographic Distribution

Florida

Stratigraphic Occurrences

Chipola Formation

Remarks

Common name: n/a

Synonymy: n/a

Type specimen, locality, and stratum: n/a

Other voucher specimens: n/a

Descriptions:

Original Description (from Dall, 1900, p. 1098):

“Oligocene of Alum Bluff and the Chipola beds of the Chipola River, Florida, Burns; and of Roberts, Escambia County, Alabama, E. A. Smith.

Shell thin, polished, with large, full beaks; subequilateral, rounded in front and below, obliquely subtruncate behind; sculptured with about twenty-four strong ribs, of which the anterior five or six are smooth, thence to the middle of the shell with thickened adherent scale-like ornaments (which I call lepidote for short) especially near the margin, the remainder of the ribs smooth, except on their sides, where they are cross-striated, as are the narrow channelled interspaces; posterior area smooth with obsolete radial grooves, one or two near the hinge stronger; no pseudolunule; hinge normal, strong; internal margins sharply fluted, sulci reaching well up on the disk. Lon. 34, alt. 36, diam. 24 mm.

This shell in its general characters is a miniature Cardium robustum, and is especially characteristic of the Chipola horizon.”

To access this description in its original formatting through Google Books, click here.

Measurements: n/a

Other remarks: n/a

References: n/a

Online resources: n/a

Page history:

Some of the content on this page was originally published on the Neogene Atlas of Ancient Life on June 17, 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

Dinocardium chipolanum from the Early Miocene Chipola Fm. of Calhoun County, Florida (UF 76222).
Dinocardium chipolanum from the Early Miocene Chipola Fm. of Calhoun County, Florida (UF 76222).
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Specimen of Dinocardium chipolanum figured by Dall (1900, pl. 40, fig. 8); 36.0 mm in length.
Specimen of Dinocardium chipolanum figured by Dall (1900, pl. 40, fig. 8); 36.0 mm in length.
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