File:Nevadella perfecta USNM PAL 60082.jpg

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Nevadella perfecta (Walcott, 1913)

Callavia perfecta; Walcott 1913:315, pl. 53, figs. 3–5.
Nevadella perfecta (Walcott); Fritz 1992:25, pl. 4, figs. 4–6, pl. 5, figs. 1–5, 7e.

Catalog record: USNM PAL 60082

Original historic description:

PAGE
Callavia perfecta Walcott 315
Fig. 4. (Natural size.) Specimens of the cephalon found in a parting of the shale. (Locality 61k.) U. S. National Museum, Catalogue No. 60082.
The specimens represented here by figs. 1-5 are from locality 61k. Lower Cambrian: Mahto formation; dark, hard siliceous shale, northeast base of Mumm Peak above Mural Glacier on the west side of Hitka Pass, 6 miles (9.6 km.) in a direct line north of summit of Robson Peak and northwest of Yellowhead Pass, in western Alberta, Canada.
Date 1913/14
Source

Charles D. Walcott: Cambrian Geology and Paleontology II. Smithsonian Miscellaneous Collections Volume 57 (Publication 2270). City of Washington. Published by the Smithsonian Institution. 1914. Inlcuding:

Charles D. Walcott: New Lower Cambrian Subfauna. Smithsonian Miscellaneous Collections Volume 57, Number 11 (Publication 2185). City of Washington. Published by the Smithsonian Institution. July 21, 1913
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
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creator QS:P170,Q362124
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current10:30, 29 April 2011Thumbnail for version as of 10:30, 29 April 2011569 × 1,839 (688 KB)Enomil (talk | contribs){{Information |Description='''''Nevadella perfecta''''' (Walcott, 1913) :''Callavia perfecta''; Walcott 1913:315, pl. 53, figs. 3–5. :''Nevadella perfecta'' (Walcott); Fritz 1992:25, pl. 4, figs. 4–6, pl. 5, figs. 1–5, 7e. Catalog record: [http://c

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