D1514 CO (Ordovician of the United States)

Also known as SF 102

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 104448: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843 trilobite
 Proetida - Telephinidae
? Goniophrys sp. Ross 1951 trilobite
"Goniphrys"
 Proetida - Dimeropygidae
Ischyrotoma sp. Raymond 1925 trilobite
 Phacopida - Pliomeridae
Ectenonotus sp. Raymond 1920 trilobite
Pseudomera barrandei Billings 1865 trilobite
 Phacopida - Cheiruridae
Xystocrania perforator, "Cydonocephalus sp." = Kawina
Xystocrania perforator Billings 1865 trilobite
"Cydonocephalus sp." = Kawina Barton 1916 trilobite
 Phacopida - Calymenidae
Protocalymene sp. Ross and Barnes 1967 trilobite
Ostracoda
 Palaeocopida - Primitiidae
? Ectoprimitia sp. ostracod
b
 Palaeocopida - Aparchitidae
? Hyperchilarina sp. Harris 1957 ostracod
Aparchites sp. ostracod
 Palaeocopida - Schmidtellidae
? Schmidtella sp. Ulrich 1892 ostracod
"Shmidtella"
 Palaeocopida - Leperditellidae
 Leperditicopida - Leperditiidae
Strophomenata
 Strophomenida - Syndielasmatidae
Syndielasma biseptatum Cooper 1956
"Syndielasms"
 Strophomenida - Plectambonitidae
Rhynchonellata
 Orthida - Orthidiellidae
Orthidiella sp. Ulrich and Cooper 1936
Orthidium cf. bellulum Ulrich and Cooper 1938
 Orthida - Orthidae
"Orthambonites minisculus" = Paralenorthis minusculus
"Orthambonites minisculus" = Paralenorthis minusculus Phleger 1933
Paragastropoda
 Mimospirida - Clisospiridae
Clisospira sp. Billings 1865
Demospongiae
 Lithistida - Anthaspidellidae
Calycocoelia typicalis Bassler 1927 demosponge
 Tetractinellida - Archaeoscyphidae
Nevadocoelia wistae Bassler 1927 demosponge