Also known as Cookes Range

Where: Luna County, New Mexico (32.6° N, 107.7° W: paleocoordinates 12.2° S, 90.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Victorio Formation (El Paso Group), Demingian (485.4 - 478.6 Ma)

• "first piloceroid zone of the El Paso group" (Flower, 1964 p. 93); "The first piloceroid zone is given the name Victorio formation [...] " (ibid. p. 148); In fig. 50 the 1st piloceroid zone of the Cook(e)s Range section corresponds to interval A of Cloud & Barnes (1946, Univ. Texas Publ. 4621) and to the upper part of the Gorman Fm. (= Hag Hills Fm. in Goldhammer et al., 1993, J. Sed. Petr. 63(3)) of the southern Franklin Mts., El Paso Co., TX., and is referred to the middle Canadian.

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; shelly/skeletal lime mudstone

Size class: macrofossils

Preservation: cast

Reposited in the USNM

• RHF = collection of Rousseau H. Flower, transferred to the Smithsonian Institution/U.S. National Museum (see Wolberg, 1990, J. Paleont. 64(3, 5, 6))

•NMBM = collections of New Mexico Bureau of Mines and Mineral Resources

Primary reference: R. H. Flower. 1964. The Nautiloid Order Ellesmeroceratida (Cephalopoda). State Bureau of Mines and Mineral Resources New Mexico Institute of Mining and Technology, Memoir 12:234 p. [B. Kröger/T. Liebrecht/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88827: authorized by Björn Kröger, entered by Torsten Liebrecht on 22.04.2009

Creative Commons license: CC BY (attribution)