Plate XXII: Devonian gastropods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1, 2 Turbonopsis shumardi (De Verneuil) Turbo shumardi De Verneuil gastropod Devonian
3, 4 same as 1889 Bucania devonica Hall ∓ Whitfield 1872 gastropod Devonian
5 "Cyclonema" multilira Hall Cyclonema multilira Hall 1861 gastropod Devonian
6, 7 Ptychospirina varians (Hall)? Strophostylus varians Hall 1876 gastropod Devonian
8, 9 Palaeozygopleura laeviusculum (Hall) Loxonema laeviusculum Hall 1879 gastropod Devonian
10, 11 ? Platyostoma lineata var. callosa Hall 1876 gastropod Devonian

 

 

 

 

Last Modified on 2019-02-05
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