Antelope Range, Ninemile Fm., zone g (Ordovician of the United States)

Where: Nevada (39.1° N, 116.3° W: paleocoordinates 4.7° S, 84.4° W)

• coordinate based on political unit

When: Hintzeia celsaora - Protopliomerella contracta trilobite zone, Ninemile Formation, Tulean (480.8 - 474.9 Ma)

• "L. Ord., zone g, below antelope valley ls."

Environment/lithology: deep subtidal shelf; limestone and shale

• "interbedded sh and ls. outer shelf BA4."

Size class: macrofossils

Collection methods: "collections d340a,b,c,d,e,f,g,h,i,j,k,l, d296"

Primary reference: R. J., J.r. Ross. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639:1-99 [S. Finnegan/S. Finnegan/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 291: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "R.Ross 1970 Prof. Paper 639"
Show authors, comments, and common names
Rhynchonellata
 Orthida - Archaeorthidae
Archaeorthis sp.
Archaeorthis sp. Schuchert and Cooper 1931
4 species
Cephalopoda
 Tarphycerida - Trocholitidae
Curtoceras sp.
Curtoceras sp. Ulrich et al. 1942
Trilobita
 Phacopida - Pliomeridae
? Pseudocybele sp.
? Pseudocybele sp. Ross 1951 trilobite
originally entered as "? Pseudocybele sp."
 Proetida - Telephinidae
? Goniophrys sp.
? Goniophrys sp. Ross 1951 trilobite
originally entered as "? Goniophrys sp."
 Asaphida - Remopleurididae
Eorobergia sp.
Eorobergia sp. Cooper 1953 trilobite
 Asaphida - Asaphidae
? Hunnebergia sp., Aulacoparia cf. venta, ? Presbynileus ibexensis, Megistaspis sp., ? Isoteloides sp., ? Trigonocerca sp., Protopresbynileus sp.
? Hunnebergia sp. Tjernvik 1956 trilobite
originally entered as "? Hunnebergia sp."
Aulacoparia cf. venta Hintze 1953 trilobite
originally entered as "Aulacoparia cf. venta"
? Presbynileus ibexensis Hintze 1953 trilobite
originally entered as "? Presbynileus ibexensis"
Megistaspis sp. Jaanusson 1956 trilobite
2 species
? Isoteloides sp. Raymond 1910 trilobite
originally entered as "? Isoteloides sp."
? Trigonocerca sp. Ross 1951 trilobite
originally entered as "? Trigonocerca sp."
Protopresbynileus sp. Hintze 1954 trilobite
 Ptychopariida - Shumardiidae
Shumardia sp.
Shumardia sp. Billings 1862 trilobite
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp.
Geragnostus sp. Howell 1935