Plate X: Devonian brachiopods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1-5, 31-34, 36-39 ? Spirifera byrnesi n. sp. brachiopod Devonian
6-10 Brevispirifer gregarius (Clapp) Spirifera gregaria Clapp 1857 brachiopod Devonian
11-20, 23-25 Alatiforma varicosa (Hall) Spirifera varicosa Hall 1857 brachiopod Devonian
21, 22, 26-30, 35, 40 ? Spirifera hobbsi n. sp. brachiopod Devonian

 

 

 

 

Last Modified on 2019-02-05
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