File:Walcott Cambrian Geology and Paleontology II plate 20.jpg

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Description

Plate 20: Middle Cambrian Annulata (Pikaia and Oesia)

1. Pikaia gracilens Walcott =
2. Pikaia gracilens Walcott =
3. Oesia disjuncta Walcott =
4. Oesia disjuncta Walcott =
5. Oesia disjuncta Walcott =
Date
Source Charles D. Walcott: Middle Cambrian Annelids. Smithsonian Miscellaneous Collections, Volume 57, Number 5 (Publication 2014), City of Washington, Published by the Smithsonian Institution, September 4, 1911.
Author
Charles Doolittle Walcott  (1850–1927)  wikidata:Q362124 s:en:Author:Charles Doolittle Walcott
 
Charles Doolittle Walcott
Alternative names
Charles Walcott, Charles D. Walcott
Description American paleontologist and geologist
Date of birth/death 31 March 1850 Edit this at Wikidata 9 February 1927 Edit this at Wikidata
Location of birth/death Category:New York Washington, D.C. Edit this at Wikidata
Authority file
creator QS:P170,Q362124
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current13:09, 18 November 2011Thumbnail for version as of 13:09, 18 November 20111,814 × 2,908 (2.8 MB)Enomil{{Information |Description=Plate 20: Middle Cambrian Annulata (''Pikaia'' and ''Oesia'') :1. ''Pikaia gracilens'' <small>Walcott</small> = :2. ''Pikaia gracilens'' <small>Walcott</small> = :3. ''Oesia disjuncta'' <small>Walcott</small> = :4. ''Oesia di

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