USGS 11545-CO. Ninemile Canyon, Antelope Range (Ordovician to of the United States)

Where: Eureka County, Nevada (39.1° N, 116.3° W: paleocoordinates 4.7° S, 84.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Conodont Fauna D trilobite zone, Goodwin Formation (Pogonip Group), Stairsian to Stairsian (485.4 - 474.9 Ma)

• Ibexian; Stairsian

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified limestone

• carbonate ramp, above storm wave base

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk,

Primary reference: A. Löfgren, J. E. Repetski, and R. L. Ethington. 1999. Some trans-Iapetus conodont faunal connections in the Tremadocian. Bollettino della Società Paleontologica Italiana 37:159-173 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 204044: authorized by Pete Wagner, entered by Pete Wagner on 29.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Protopanderodontida - Protopanderodontidae
Variabiloconus transiapeticus
Variabiloconus transiapeticus Löfgren et al. 1999 conodont
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus "n. sp.", Laurentoscandodus aff. triangularis
Drepanoistodus "n. sp." Lindstrom 1971 conodont
Laurentoscandodus aff. triangularis Furnish 1938 conodont
Furnish
 Protopanderodontida - Acanthodontidae
"Acanthodus" lineatus
"Acanthodus" lineatus conodont
(Furnish)
 Prioniodontida - Acodontidae
"Drepanodus ? arcuatus" = Acodus similaris
"Drepanodus ? arcuatus" = Acodus similaris Rhodes 1955 conodont
"may be an early represetative of D. arcuatus"