Plate XXXII: Silurian and Devonian brachiopods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1-4 same as 1889 Nucleospira concinna (Hall 1843) brachiopod Devonian
5-8, 44-47 ? Atrypa reticularis var. niagarensis n. var. brachiopod Silurian
9-12 Sieberella? knotti (Nettleroth) Pentamerus knotti n. sp. brachiopod Silurian
13-16 Stegerhyncus acinus (Hall) Rhynchonella acinus Hall 1863 brachiopod Silurian
17-20 ? Anastrophia internascens Hall 1881 brachiopod Silurian
21-23, 36-39 Coelospira hemispherica (Sowerby) Leptocoelia hemispherica (Sowerby 1839) brachiopod Silurian
24-27 prob. Stegerhynchus Rhynchonella pisa Hall ∓ Whitfield 1875 brachiopod Silurian
28-31 ? Spirifera foggi n. sp. brachiopod Silurian
32-35 Rhipidomella hybrida (Sowerby) Orthis hybrida (Sowerby 1839) brachiopod Silurian
40-43 ? Trematospira helena n. sp. brachiopod Silurian
48-51 ? Rhynchonella rugaecosta n. sp. brachiopod Silurian
52-57 Resserella elegantula (Dalman) Orthis elegantula Dalman 1827 brachiopod Silurian
58, 59, 62, 63 Rhynchotreta americana Hall Rhynchotreta cuneata var. americana Hall 1879 brachiopod Silurian
60, 61 ? Cyrtia exporrecta var. arrecta Hall 1872 brachiopod Silurian
64-66 ? Atrypa calvini n. sp. brachiopod Silurian

 

 

 

 

Last Modified on 2019-02-05
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