Dead Mans Branch, Alamo Canyon, Lake Valley Formation, Arcente Member, Otero (Carboniferous of the United States)

Where: New Mexico (32.8° N, 105.8° W: paleocoordinates 16.1° S, 50.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Arcente Member (Lake Valley Formation), Osagean (352.0 - 343.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified lime mudstone and lithified, calcareous shale

• deep shelf to offshelf oxygen-poor environments
• rhythmically-bedded, dark gray, argillaceous, pyritic lime mudstone interbedded with dark gray calcareous shale

Size class: macrofossils

Primary reference: D. K. Brezinski. 2000. Lower Mississippian trilobites from southern New Mexico. Journal of Paleontology 74(6):1043-1064 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64760: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• trilobites only
Show authors, comments, and common names
Trilobita
 Proetida - Brachymetopidae
Australosutura sp., ? Namuropyge sp.
Australosutura sp. Campbell and Goldring 1960 trilobite
? Namuropyge sp. Richter and Richter 1939 trilobite
sp. B
 Proetida - Proetidae
Pudoproetus fernglenensis
Pudoproetus fernglenensis Weller 1909 trilobite
 Proetida - Phillipsiidae
Thigriffides triangulatus n. sp., Hesslerides arcentensis n. gen. n. sp., Phillibole planucauda
Thigriffides triangulatus n. sp. trilobite
Hesslerides arcentensis n. gen. n. sp. Brezinski 2000 trilobite
Phillibole planucauda Brezinski 1998 trilobite