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: no entry for USNM PAL 60081 Original historic description: PAGE Callavia perfecta Walcott 315 Fig. 3. (× 2.) Type specimen of the species. (Locality 61k.) U. S. National Museum, Catalogue No. 60081. 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 Pas
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: no entry for USNM PAL 60081 Original historic description: PAGE Callavia perfecta Walcott 315 Fig. 3. (× 2.) Type specimen of the species. (Locality 61k.) U. S. National Museum, Catalogue No. 60081. 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 ( km.) in a direct line north of summit of Robson Peak and northwest of Yellowhead Pass, in western Alberta, Canada. 1913/14 48 Nevadella perfecta USNM PAL 60081
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