MV 7002, Three Pillar Quarry, Bear Gulch (Carboniferous of the United States)

Where: Fergus County, Montana (46.9° N, 109.0° W: paleocoordinates 5.4° N, 35.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bear Gulch Member (Heath Formation), Arnsbergian (327.0 - 323.7 Ma)

• "Namurian E2b" (E2 = Arnsbergian)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, concretionary limestone

• "shallow, marine tropical bay" (Lund 1985)
• "rhythmically alternating sets of microturbidite beds and laminar beds" (Grogan and Lund 1997)

Size class: macrofossils

Preservation: adpression, concretion, soft parts

Collected by Melton

Collection methods: mechanical,

• Material is at the University of Montana

Primary reference: K. E. Mickle, R. Lund, and E. D. Grogan. 2009. Three new palaeoniscoid fishes from the Bear Gulch limestone (Serpukhovian, Mississippian) of Montana (USA) and the relationships of lower actinopterygians. Geodiversitas 31(3):623-668 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116763: authorized by Matthew Clapham, entered by Matthew Clapham on 11.09.2011, edited by Sophie Fasey

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
  -
Beagiascus pulcherrimus
Beagiascus pulcherrimus Mickle et al. 2009
MV 2930
 Guildayichthyiformes - Guildayichthyidae
Discoserra pectinodon2
Discoserra pectinodon2 Lund 2000
UMVP 2984
Actinopteri
  - Tarrasiidae
Paratarrasius hibbardi n. gen.3
Paratarrasius hibbardi n. gen.3 Lund and Melton 1982
MV 2918
Osteichthyes
  -
Lineagruan snowyi
Lineagruan snowyi Mickle et al. 2009
MV 2969, 2980
  - Aesopichthyidae
Aesopichthys erinaceus5
Aesopichthys erinaceus5 Poplin and Lund 2000
MV 2933
 Fubarichthyiformes - Fubarichthyidae
Yogoniscus gulo1, Fubarichthys copiosus1
Yogoniscus gulo1 Lowney 1980
UMVP 2919, UMVP 2919, UMVP 2952
Fubarichthys copiosus1 Lowney 1980
UMVP 2914, 2922, 2923, 2929, UMVP 2914, and others
 Palaeonisciformes - Rhadinichthyidae
Wendyichthys dicksoni n. gen.4
Wendyichthys dicksoni n. gen.4 Lund and Poplin 1997
MV 2968
  -
Kalops monophrys6
Kalops monophrys6 Poplin and Lund 2002
MV 2913, 2936, 7296
1Lowney 1980; 2Lund 2000; 3Lund and Melton 1982; 4Lund and Poplin 1997; 5Poplin and Lund 2000; 6Poplin and Lund 2002