Plate XXV: Devonian gastropods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1 Platyceras milleri Nettelroth Platyceras milleri n. sp. gastropod Devonian
2, 11 Orthonychia conicum (Hall) Platyceras conicum Hall 1861 gastropod Devonian
3 same as 1889 Platyceras bucculentum Hall 1861 gastropod Devonian
4 same as 1889 Platyceras multispinosum Meek 1871 gastropod Devonian
5-7 ? Platyostoma lineata var. callosa Hall 1876 gastropod Devonian
8, 9 same as 1889 Platyceras compressum n. sp. gastropod Devonian
10 same as 1889 Platyceras ventricosum Conrad 1840 gastropod Devonian

 

 

 

 

Last Modified on 2019-02-05
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