Favret Canyon, Augusta Mountains, Bed HB 0 (Triassic of the United States)

Where: Pershing County, Nevada (40.1° N, 117.6° W: paleocoordinates 11.0° N, 41.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Fossil Hill Member (Favret Formation), Bithynian (247.2 - 242.0 Ma)

• Bed HB 0, basal Fossil Hill Member. Base of the middle Anisian (Mactaggarti subzone).

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified grainstone

• litharenite with black limestone pebbles

Size classes: macrofossils, mesofossils, microfossils

Collected in 1993; reposited in the FMNH

Primary reference: O. Rieppel, R. Kindlimann, and H. Bucher. 1996. A new fossil fish fauna from the Middle Triassic (Anisian) of north-western Nevada. In G. Arratia, G. Viohl (eds.), Mesozoic Fishes - Systematics and Paleoecology 501-512 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93564: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.01.2010, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
  -
Complanicorona aff. rugosimargines Johns 1997 elasmobranch
Labascicorona sp. Johns 1997 elasmobranch
 Hybodontiformes -
"Polyacrodus bucheri n. sp." = Omanoselache bucheri
"Polyacrodus bucheri n. sp." = Omanoselache bucheri Cuny et al. 2001 elasmobranch
 Hybodontiformes - Polyacrodontidae
Polyacrodus "sp. A" Jaekel 1889 elasmobranch
Polyacrodus "sp. B" Jaekel 1889 elasmobranch
Polyacrodus tregoi n. sp. Rieppel et al. 1996 elasmobranch
 Hybodontiformes - Hybodontidae
? Hybodus sp. Agassiz 1837 elasmobranch
 Hybodontiformes - Acrodontidae
Acrodus cf. vermicularis Stensio 1921 elasmobranch
Acrodus cuneocostatus n. sp. Cuny et al. 2001 elasmobranch
Acrodus spitzbergensis Hulke 1873 elasmobranch
Acrodus cf. oreodontus Wemple 1906 elasmobranch
Palaeobates sp. elasmobranch
Palaeobates cf. shastensis Bryant 1914 elasmobranch
 Synechodontiformes -
Mucrovenator minimus n. gen. n. sp.
Mucrovenator minimus n. gen. n. sp. Cuny et al. 2001 elasmobranch
 Synechodontiformes - Palaeospinacidae
? Palaeospinax sp. Egerton 1872 elasmobranch
Actinopteri
 Saurichthyiformes - Saurichthyidae
Saurichthys sp. Agassiz 1843
 Perleidiformes - Colobodontidae
Colobodus sp. Agassiz 1843
 Palaeonisciformes - Birgeriidae
Birgeria sp. Stensiƶ 1919
 Ptycholepiformes - Ptycholepididae
? Ptycholepis sp. Agassiz 1843
 Semionotiformes - Callipurbeckiidae
? Paralepidotus sp. Stolley 1919
Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus sp. Agassiz 1838 lungfish