USGS D-369b CO. East side of Martin Ridge (Ordovician of the United States)

Where: Eureka County, Nevada (39.2° N, 116.4° W: paleocoordinates 5.9° S, 80.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Member (Antelope Valley Formation), Whiterockian (470.0 - 457.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Reposited in the USNM

Collection methods: surface (float),

Primary reference: A. G. Harris, S. M. Bergström, R. L. Ethington and R. J. Ross. 1979. Aspects of Middle and Upper Ordovician Conodont Biostratigraphy of Carbonate Facies in Nevada and Southeast California and Comparison with Some Appalachian Successions. Brigham Young University Geology Studies 26(3):7-44 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 210658: authorized by Pete Wagner, entered by Pete Wagner on 11.06.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Conodonta
  -
Conodonta "n. gen." Pander 1856 conodont
Conodonta "hyaline indet." Pander 1856 conodont
 Panderodontida - Panderodontidae
Panderodus spp. Ethington 1959 conodont
 Prioniodontida - Balognathidae
? Prioniodus sp. Pander 1856 conodont
 Prioniodontida - Polyplacognathidae
"Polyplacognathus friendsvillensis" = Cahabagnathus friendsvillensis
"Polyplacognathus friendsvillensis" = Cahabagnathus friendsvillensis Bergström 1971 conodont
 Prioniodontida -
Phragmodus flexuosus Moskalenko 1973 conodont
 Prioniodontida - Acodontidae
""Acontiodus" nevadensis" = Acodus
""Acontiodus" nevadensis" = Acodus conodont
 Prioniodontida -
Erraticodon sp. Dzik 1978 conodont
 Prioniodontida - Pygodontidae
Pygodus serra Hadding 1913 conodont
 Belodellida - Ansellidae
"Belodella nevadensis" = Ansella nevadensis
"Belodella nevadensis" = Ansella nevadensis Ethington and Schumacher 1969 conodont
 Protopanderodontida - Protopanderodontidae
 Ozarkodinida -
Periodon sp. Hadding 1913 conodont