Cambrian brachiopoda
Subtitle: genera Iphidea and Yorkia, with descriptions of new species of each and of the genus Acrothele
By: By Charles D. Walcott...
Series: Geological pamphlets. Paleontology -- 417-464
Publisher: Govt. pr. off.
Published: 1897
Place of publication: Washington
Language: eng
Number of pages: 718
Subjects: Paleontology; Fossil Brachiopoda
Notes: From the Proceedings of the United States national museum, vol.xix...

No.1120.

At head of title: Smithsonian institution...

[nn. ssp.: I. superba, logana, pealei, crenistria, alabamaensis; Yorkia (n.g.): Wanneri, ? washingtonensis; A. decipiens, bellula.]