Cyclocardia castrana

UNB-2018-0713Fossils » Eukaryote » Animalia » Mollusca » Bivalvia

Description

Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclass: Autobranchia Order: Carditida Family: Carditidae Genus: Cyclocardia (Conrad, 1867) Species: Cyclocardia castrana (Glenn, 1904) Five specimens; Four specimens are of Cyclocardia castrana, with two individual right valves and two individual left valves. Fifth specimen appears to belong to the genus Venus. The Venus specimen has prominent growth lines and a small triangular umbo that is fairly centred. Faint adductor scars are visible on the interior part of the valve. Rounded ventral margin and triangular dorsal margin. Heterodont dentition. The four specimens of Cyclocardia castrana have reticulate texture. Small curved umbo. Heterodont dentition. Circular ventral margin and rounded/triangular dorsal margin.

Specifications

Object name	Cyclocardia castrana
ID	UNB-2018-0713
Legal status	Permanent collection
Category	Fossil
Classification	Domain: Eukaryote Kingdom: Animalia Phylum: Mollusca Class: Bivalvia
Composition	Calcium carbonate
Age	Eon: Phanerozoic Era: Cenozoic Period: Neogene Epoch: Pliocene Age: Early Pliocene
Numeric age	5 Mya
Origin	Hampton, Virginia, U.S.A.
Pieces	5
Partial	No
Measurements	2.5cm x 2.1cm x 0.4cm 1.7cm x 1.7cm x 0.6cm 1.8cm x 1.8cm x 0.5cm 1.9cm x 1.8cm x 0.7cm 1.8cm x 1.7cm x 0.6cm

Map of Origin

Publications

L. C. Glenn. 1904. Pelecypoda. Maryland Geological Survey Miocene(Text):274-401