Plate XXVIII: Silurian brachiopods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1-4 Rhipidium knappi (Hall) Pentamerus knappi Hall 1872 brachiopod Silurian
5-8 ? Pentamerus nysius var. crassicostus Hall 1875 brachiopod Silurian

 

 

 

 

Last Modified on 2019-02-05
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