Cyclocardia granulata A.JPG
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Cyclocardia granulata Bivalve
SITE LOCATION: Probably James City Formation; found Aurora, North Carolina, USA
TIME PERIOD: Lower Pleistocene (2.588 ± 0.005 and 0.781 ± 0.005 million years ago)
Data: Cyclocardia is a genus of molluscs in the family Carditidae. Original Description (from Say, 1824, p. 142): "Suborbicular, with about twenty-five convex ribs, and wrinkled across; inner margin crenate. Description. Beaks nearly central, a little prominent, curved backward: ribs granulated on the umbones, and transversely wrinkled near the base, convex: apices somewhat prominent beyond the general curve of the shell: inner margin and edge crenate: cardinal teeth two. Length from the apex to the base four-fifths of an inch, breadth nearly the same. Rather proportionally longer than the decussata, and more oblique."
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Carditoida
Family: Carditidae
Genus: †Cyclocardia
Species: †granulata
Photo Information
- Taken with Canon Canon PowerShot SX120 IS
- Focal Length 6 mm
- Exposure Time 1/60
- f Aperture f/2.8
- ISO Speed 80
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