Plate XXVII: Silurian and Devonian brachiopods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1-3 ? Orthis rugaeplicata Hall 1872 brachiopod Devonian
4, 5 ? Orthis nisis Hall 1872 brachiopod Silurian
6-8, 20 ? Cyrtia exporrecta Wahlenberg 1821 brachiopod Silurian
9-11 Uncinulus stricklandi (Sowerby) Rhynchonella stricklandi (Sowerby 1839) brachiopod Silurian
12, 13 ? Pentamerus littoni Hall 1872 brachiopod Silurian
14-16 ? Pentamerus complanatus n. sp. brachiopod Silurian
17-19 ? Spirifera rostellum Hall 1870 brachiopod Silurian
21 ? Cyrtia exporrecta var. arrecta Hall 1872 brachiopod Silurian
22-24 Sphaerirhynchula saffordi (Hall) Rhynchonella saffordi Hall 1860 brachiopod Silurian
25-28 ? Pentamerus nucleus Hall 1872 brachiopod Silurian

 

 

 

 

Last Modified on 2019-02-05
Back to Top