Percha Creek, Black Range (Carboniferous of the United States)

Where: Sierra County, New Mexico (32.9° N, 107.6° W: paleocoordinates 15.0° S, 51.3° W)

• coordinate estimated from map

• local area-level geographic resolution

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

Environment/lithology: offshore shelf; lithified, shelly/skeletal grainstone

• shallower shelf environment, similar to the Burlington Shelf

Size classes: macrofossils, mesofossils, microfossils

Preservation: original calcite

Collected by Macurda, D.B.; Laudon, L. R.

Primary reference: E. C. Rhenberg and T. W. Kammer. 2013. Camerate crinoids from the Nunn Member (Tournaisian, Osagean) of the Lower Mississippian Lake Valley Formation, New Mexico. Journal of Paleontology 87(2):312-340more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 235914: authorized by Val Syverson, entered by Val Syverson on 23.08.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Diplobathrida - Rhodocrinitidae
Cribanocrinus urceolatus
Cribanocrinus urceolatus Wachsmuth and Springer 1893 Sea lily
 Monobathrida - Actinocrinitidae
Blairocrinus macurdai, Iotacrinus novamexicanus, Steganocrinus pentagonus, Physetocrinus lobatus, Nunnacrinus dalyanus
Blairocrinus macurdai Rhenberg and Kammer 2013 Sea lily
Iotacrinus novamexicanus Rhenberg and Kammer 2013 Sea lily
Steganocrinus pentagonus Hall 1858 Sea lily
Physetocrinus lobatus Wachsmuth and Springer 1897 Sea lily
Nunnacrinus dalyanus Bowsher 1955 Sea lily
 Monobathrida - Periechocrinidae
Aryballocrinus whitei
Aryballocrinus whitei Hall 1861 Sea lily
 Monobathrida - Coelocrinidae
Agaricocrinus planoconvexus
Agaricocrinus planoconvexus Hall 1861 Sea lily
 Monobathrida - Platycrinitidae
Plemnocrinus bullatus, Plemnocrinus homalus
Plemnocrinus bullatus Kirk 1946 Sea lily
Plemnocrinus homalus Kirk 1946 Sea lily