Plate XII: Devonian brachiopods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1-4 Brevispirifer davisi (Nettelroth) Spirifera davisi n. sp. brachiopod Devonian
5-11 Fimbrispirifer divaricatus (Hall) Spirifera divaricata Hall 1857 brachiopod Devonian
12, 13, 16 Arcospirifer duodenarius (Hall) Spirifera duodenaria (Hall 1843) brachiopod Devonian
14, 15 Spirifer arctisegmenta (Hall) Spirifera arctisegmenta Hall 1857 brachiopod Devonian





Last Modified on 2023-01-05
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