Plate XVII: Silurian and Devonian brachiopods and gastropod

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1-4 Cranaea harmonia (Hall) Terebratula harmonia Hall 1867 brachiopod Devonian
5-9 ? Productella subaculeata var. cataracta Hall ∓ Whitfield 1872 brachiopod Devonian
10, 11 Protodouvillina inequistriata (Conrad) Strophodonta inequistriata (Conrad 1842) brachiopod Devonian
12, 13 Retispira leda (Hall) Bellerophon leda Hall 1861 gastropod Devonian
14, 15 same as 1889 Tropidoleptus carinatus (Conrad 1839) brachiopod Devonian
16-19 ? Chonetes yandelliana Hall 1857 brachiopod Devonian
20, 21 Protomegastrophia profunda (Hall) Strophodonta profunda (Hall 1852) brachiopod Silurian
22-24 Cranaea lincklaeni (Hall) Terebratula lincklaeni Hall 1860 brachiopod Devonian
25, 26 same as 1889 Ambocoelia umbonata (Conrad 1857) brachiopod Devonian
27-29 ? Rhynchonella tenuistriata n. sp. brachiopod Devonian
30-32 ? Orthis goodwini n. sp. brachiopod Devonian
33-35 ? Orthis livia Billings 1860 brachiopod Devonian
36, 37 ? Spirifera crispa var. simplex Hall 1881 brachiopod Silurian
38-42 Megakoglowskiella raricosta (Conrad) Spirifera raricosta (Conrad 1842) brachiopod Devonian

 

 

 

 

Last Modified on 2019-02-05
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