Elliptocephala logani Walcott, 1910

Gapp, I. Wesley & Lieberman, Bruce S., 2014, New olenelloid trilobites from the Northwest Territories, Canada, Zootaxa 3866 (4), pp. 479-498 : 488

publication ID	https://doi.org/10.11646/zootaxa.3866.4.2
publication LSID	lsid:zoobank.org:pub:D06E5477-4D5C-4402-B909-09A2AAFFB556
DOI	https://doi.org/10.5281/zenodo.6136082
persistent identifier	https://treatment.plazi.org/id/DC11878B-3B44-FFCC-B1AF-3B72E6EC21EC
treatment provided by	Plazi (2016-04-17 19:02:21, last updated 2024-11-29 11:45:32)
scientific name	Elliptocephala logani Walcott, 1910
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Fig. 5 View FIGURE 5

Elliptocephala logani Walcott, 1910 , p. 333, pl. 41, figs. 5, 6; Lieberman, 1999, p. 61, fig. 12.5, see for complete synonymy.

Material examined. KUMIP 355558-355560 and PWNHC-2013.23.17-19.

Occurrence. Canada: Northwest Territories, the type section of the Sekwi Formation ( Hanfield 1968), see Fritz (1972); Olenellus zone or Waucoban Series, Dyeran stage, sensu Webster (2011a, b) and Webster et al. (2011), early Cambrian, Sekwi Formation, Mackenzie Mountains, Northwest Territories, Canada, Northwest Territories, Section 3, 700– 800 m above the base, and Section 4 in float; Yukon Territory, the Illtyd Formation, Fritz’s (1991) Unit 3, Olenellus zone , Wernecke Mountains; Newfoundland, the Forteau Formation, Olenellus Zone, L’Anse au Loup, straits of Belle Isle, Labrador.

References

Fritz, W. H. (1972) Lower Cambrian trilobites from the Sekwi Formation type section, Mackenzie Mountains, northwestern Canada. Geological Survey of Canada, Bulletin, 212, 1 - 90.

Hanfield, R. C. (1968) Sekwi Formation, a new Lower Cambrian formation in the Southern Mackenzie Mountains, District of Mackenzie. Geological Survey of Canada, Paper 68 - 47, 1 - 23.

Lieberman, B. S. (1999) Systematic revision of the Olenelloidea (Trilobita, Cambrian). Bulletin of the Peabody Museum of Natural History, 45, 1 - 150. [Yale University]

Walcott, C. D. (1910) Olenellus and other genera of the Mesonacidae. Smithsonian Miscellaneous Collections, 53 (6), 231 - 422.

Webster, M. (2011 a) Trilobite biostratigraphy and sequence stratigraphy of the Upper Dyeran (traditional Laurentian Lower Cambrian ) in the southern Great Basin, U. S. A. In: Hollingsworth, J. S., Sundberg, F. A. & Foster, J. R. (Eds.), Cambrian Stratigraphy and Paleontology of Northern Arizona and Southern Nevada. Museum of Northern Arizona Bulletin, 67, 121 - 154.

Webster, M. (2011 b) Stops 7 A, 7 B, and 7 C, Upper Dyeran litho- and biostratigraphy of the Split Mountain area, Nevada. In: Hollingsworth, J. S., Sundberg, F. A. & Foster, J. R. (Eds.), Cambrian Stratigraphy and Paleontology of Northern Arizona and Southern Nevada. Museum of Northern Arizona Bulletin, 67, 236 - 246.