File:Nevadella perfecta USNM PAL 60082.jpg

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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: 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



Alternative names	Charles Walcott, Charles D. Walcott
Description	American paleontologist and geologist
Date of birth/death	31 March 1850	9 February 1927
Location of birth/death	Category:New York	Washington, D.C.
Authority file	: Q362124 VIAF: 69044732 ISNI: 000000008148772X LCCN: n84119676 Botanist: C.Walcott Open Library: OL165594A WorldCat

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:30, 29 April 2011		569 × 1,839 (688 KB)	Enomil	{{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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Nevadella

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