D1520 CO (Ordovician of the United States)

Also known as SF 107

Where: Nye County, Nevada (39.0° N, 116.6° W: paleocoordinates 5.5° S, 81.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: L? brachiopod zone, Antelope Valley Formation (Pogonip Group), Rangerian (470.0 - 470.3 Ma)

• Whiterockian; no formal stage

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified limestone

• middle shelf
• thin-bedded; muddy; nodular in places, more resistant silty calcarenitic beds

Size class: macrofossils

Preservation: replaced with silica

Collected by J. Ross, Jr.

Collection methods: bulk,

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: biostratigraphic analysis

PaleoDB collection 104453: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scyphozoa
 Conulariida -
Conulariida indet.
Conulariida indet. Miller and Gurley 1896 jellyfish
"Conulariids"
Gastropoda
 Euomphalina - Macluritidae
Maclurites sp.
Maclurites sp. Le Sueur 1818 snail
Bivalvia
 Nuculida - Cardiolariidae
Deceptrix sp.
Deceptrix sp. Fuchs 1919 clam
cf. Ctendonta levata group
Strophomenata
 Strophomenida - Taffiidae
Aporthophyla typa
Aporthophyla typa Ulrich and Cooper 1936
[Aporthophyla typica]
Rhynchonellata
 Orthida - Orthidae
"Orthambonites minisculus" = Paralenorthis minusculus
"Orthambonites minisculus" = Paralenorthis minusculus Phleger 1933
Trilobita
 Asaphida - Remopleurididae
Remopleurides sp.
Remopleurides sp. Portlock 1843 trilobite
 Asaphida - Asaphidae
Niobe cf. quadraticaudata
Niobe cf. quadraticaudata Billings 1865 trilobite
 Asaphida - Nileidae
Peraspis erugata, Nileus hesperaffinis
Peraspis erugata Ross 1970 trilobite
Nileus hesperaffinis Ross and Barnes 1967 trilobite
 Corynexochida - Illaenidae
Illaenus sp.
Illaenus sp. Dalman 1827 trilobite
 Phacopida - Pliomeridae
Ectenonotus whittingtoni, Pseudomera sp.
Ectenonotus whittingtoni Ross and Barnes 1967 trilobite
Pseudomera sp. Holliday 1942 trilobite
 Phacopida - Calymenidae
Protocalymene sp.
Protocalymene sp. Ross and Barnes 1967 trilobite
"Protocalyemene"
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
"small ostracode"
Ostracoda
 Leperditellocopida - Schmidtellidae
Schmidtella sp.
Schmidtella sp. Ulrich 1892 ostracod
"Shmidtella"
 Leperditicopida - Isochilinidae
Isochilina sp.
Isochilina sp. Jones 1858 ostracod
 Leperditicopida - Leperditiidae
Eoleperditia bivia
 Podocopida - Bairdiocyprididae
"Macrocyproides sp." = Bairdiocypridella
"Macrocyproides sp." = Bairdiocypridella Blumenstengel 1965 ostracod
 Palaeocopida - Leperditellidae
? Leperditella aff. incisa