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File:Walcott Cambrian Geology and Paleontology II plate 13.jpg

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Description

Plate 13: Middle Cambrian Holothurians (Laggania, Mackenzia, and Louisella)

1. Laggania cambria Walcott =
2. Mackenzia costalis Walcott =
3. Mackenzia costalis Walcott =
4. Louisella pedunculata Walcott =
Date
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.
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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Date/TimeThumbnailDimensionsUserComment
current13:29, 29 July 2011Thumbnail for version as of 13:29, 29 July 20111,753 × 2,761 (2.51 MB)Enomil{{Information |Description=Plate 13: Middle Cambrian Holothurians (''Laggania, Mackenzia'', and ''Louisella'') :1. ''Laggania cambria'' <small>Walcott</small> = :2. ''Mackenzia costalis'' <small>Walcott</small> = :3. ''Mackenzia costalis'' <small>Walco

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