File:Peytoia nathorsti USNM 57538 USNM 57539.jpg
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[edit]DescriptionPeytoia nathorsti USNM 57538 USNM 57539.jpg |
English: Peytoia nathorsti Walcott 56
Fig. 1. Subumbrella view of the type specimen of the genus and species. Natural size. The four large lobes are marked ✕. U. S. National Museum, Catalogue No. 57538. A portion of an annelid, Ottoia prolifica, n. g. and n. sp., is shown above the medusa. 2. Subumbrella view of a second specimen that differs in detail from the specimen represented by figure 1. It also shows the short spines about the oral aperture more clearly. Natural size. U. S. National Museum, Catalogue No. 57539. |
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Source | Charles D. Walcott: Middle Cambrian Holothurians and Medusae. Smithsonian Miscellaneous Collections Volume 57, Number 3 (Publication 2011). City of Washington. Published by the Smithsonian Institution. June 13, 1911. | ||||||||||||||||||||
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creator QS:P170,Q362124 |
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