Plate XXIV: Devonian gastropods and cephalopods

Figure Number Modern genus and species 1889 Genus and species Phyllum or Class Age, etc.
1 ? Nautilus maximus (Conrad 1838) cephalopod Devonian
2-5 Elasmonema clarki (Nettelroth) Callonema clarki n. sp. gastropod Devonian

 

 

 

 

Last Modified on 2019-02-05
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