Plate II: Devonian pelecypods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1-3 Paracyclas ohioensis (Meek) Paracyclas elliptica Hall pelecypod Devonian
4-7 Paracyclas rugosa Conrad Paracyclas lirata (Conrad 1838) pelecypod Devonian
8 Paracyclas ohioensis (Meek) Paracyclas elongata n. sp. pelecypod Devonian
9-12, 14 same as 1889 Modiomorpha concentrica (Conrad 1838) pelecypod Devonian
14 prob. Petrocrania Crania bordeni Hall & Whitfield 1872 brachiopod Devonian
13, 15-18 same as 1889 Ptychodesma knappianum Hall 1872 pelecypod Devonian

 

 

 

 

 

Last Modified on 2019-02-05
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