USNM 10802. 9100 feet ESE of Western Peak, Roberts Mountains (Devonian of the United States)

Also known as A90-2

Where: Eureka County, Nevada (39.6° N, 116.3° W: paleocoordinates 24.6° S, 54.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Polygnathus costatus conodont zone, Denay Limestone Formation (Nevada Group), Eifelian (393.3 - 387.7 Ma)

• Conodont zone: costatus. Faunal Interval 15.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; packstone

Size classes: macrofossils, microfossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk,

• Brachiopods described by Johnson (1970, 1971 J. Paleo papers)

Primary reference: R. B. Blodgett and J. G. Johnson. 1992. Early Middle Devonian (Eifelian) Gastropods of Central Nevada. Palaeontographica Abteilung A 222:85-139 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3826: authorized by Pete Wagner, entered by Pete Wagner on 10.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Generic taxonomy updated by me.
Gastropoda
 Murchisoniina - Gosseletinidae
? Mourlonia "n. sp. A", "Ptychomphalina aurora" = Conotoma aurora
? Mourlonia "n. sp. A" de Koninck 1883 snail
"Ptychomphalina aurora" = Conotoma aurora Blodgett and Johnson 1992 snail
 Murchisoniina - Porcelliidae
"Porcellia (Paraporcellia) rohri" = Paraporcellia rohri Blodgett and Johnson 1992 snail
Quadricarina "sp. A" Blodgett and Johnson 1992 snail
Quadricarina "n. sp. A." Blodgett and Johnson 1992 snail
 Murchisoniina - Eotomariidae
Denayella housei Blodgett and Johnson 1992 snail
 Bellerophontida - Bellerophontidae
"Bellerophon (Bellerophon) nevadensis" = Bellerophon nevadensis
"Bellerophon (Bellerophon) nevadensis" = Bellerophon nevadensis Blodgett and Johnson 1992 snail
 Bellerophontida - Pterothecidae
"Merriamella eurekae" = Merriamites eurekae
"Merriamella eurekae" = Merriamites eurekae Blodgett and Johnson 1992 snail
 Bellerophontida - Tropidodiscidae
Tropidodiscus sp. Meek and Worthen 1866 snail
 Euomphalina -
"Gyronema minutinodosa" = Kitikamispira minuitinodosa
"Gyronema minutinodosa" = Kitikamispira minuitinodosa Blodgett and Johnson 1992 snail
 Euomphalina - Euomphalidae
 Euomphalina - Pseudophoridae
Decorospira rigbyi n. gen. n. sp. Blodgett and Johnson 1992 snail
type locality
Petrochus "sp. A"2 HornĂ½ 1992 snail
 Euomphalina -
"Straparollus (Straparollus) cf. annulatus" = Serpulospira annulatus
"Straparollus (Straparollus) cf. annulatus" = Serpulospira annulatus Phillips 1841 snail
 Caenogastropoda - Goniasmatidae
 Neritoidea - Naticopsidae
Strophomenata
 Orthotetida - Schuchertellidae
"Schuchertella" sp.1 Girty 1904
 Strophomenida - Eopholidostrophiidae
 Productida - Araksalosiidae
? Devonalosia sp.1 Muir-Wood and Cooper 1960
Rhynchonellata
 Rhynchonellida - Leiorhynchidae
? Leiorhynchus sp.1 Hall 1860
 Rhynchonellida - Hebetoechiidae
 Orthida - Dicoelosiidae
Teichertina americana n. sp.1 Johnson 1970
 Orthida - Schizophoriidae
Schizophoria sp.1 King 1850
 Orthida - Draboviidae
Vallomyonia devonica1 Walcott 1884
 Atrypida - Atrypidae
Spinatrypina recula n. sp.1 Johnson 1970
Spinatrypa (Invertrypa) talis n. sp.1 Johnson 1970
Anatrypa (Variatrypa) licta n. sp.1 Johnson 1970
 Pentamerida - Gypidulidae
Gypidula sp.1 Hall 1867
 Pentamerida - Clorindidae
Pentamerella wintereri1 Johnson 1966
 Spiriferida - Ambocoeliidae
 Spiriferida - Xenomartiniidae
Quadrithyris cf. vijaicus1 Khodalevich 1951
 Spiriferida - Reticulariidae
Warrenella kirki1 Merriam 1940
 Athyridida - Athyrididae
 Athyridida - Nucleospiridae
Nucleospira sp.1 Hall 1859