Cooks Range, Mimbres Mountains (Ordovician to of the United States)

Where: Luna County, New Mexico (31.8° N, 107.8° W: paleocoordinates 13.3° S, 89.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cooks Formation (El Paso Group), Deming to Deming (485.4 - 478.6 Ma)

• early Arenig; correlates to D zone of Hintze (1952)

• formation-level stratigraphic resolution

Environment/lithology: lithified, gray limestone and lithified, gray, blue limestone

• calcilutite, with some nodular chert and silicous worm trails, with beds of stromatolites and pebble breccias. Fossils from light blue-gray weathering limestones

Size class: macrofossils

Primary reference: R. H. Flower. 1968. Part I - Some El Paso guide fossils. New Mexico Institute of Mining and Technology Memoir 22(1):1-21 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56480: authorized by Pete Wagner, entered by Pete Wagner on 18.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Raphistomatidae
"Proliospira lenticularis n. gen. n. sp." = Ceratopea lenticularis
"Proliospira lenticularis n. gen. n. sp." = Ceratopea lenticularis Flower 1968 snail