Scientific Classification
Kingdom: Animalia |
Phylum: Mollusca |
Class: Bivalvia |
Order: Cardiidia |
Family: Grammysiidae |
Genus: Grammysia |
Species: Grammysia bisulcata Conrad, 1838 |
Information
Geological Range
Paleogeographic Distribution
Stratigraphic Occurrences
Marcellus Formation |
Ludlowville Formation |
Moscow Formation |
References
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Description
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Remarks
From Wilson (2014, p. 155): “Medium-sized to large ovoid shell, with broadly curved ventral margin, with contraction in the center. A strong fold and furrow extending down from the beak of each valve is characteristic of this species. Surface marked with fine concentric growth lines, in some portions aggregated together.” Size 50-70 mm.
Online Resources
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Media
Images
