MV 6801, Surprise 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 R. Hartin, C. Allen

Collection methods: mechanical

• Material is at the University of Montana

Primary reference: W. G. Melton. 1969. A new dorypterid fish from central Montana. Northwest Science 43:196-206 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116660: authorized by Matthew Clapham, entered by Matthew Clapham on 10.09.2011, edited by Sophie Fasey

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Archisymplectes rhothon
  -
Archisymplectes rhothon8
Archisymplectes rhothon8 Schram 1973
UM 6485
Osteichthyes
 Guildayichthyiformes - Guildayichthyidae
Discoserra pectinodon3
Discoserra pectinodon3 Lund 2000
UMVP 2772
  -
Kalops sp.1, Kalops monophrys7
Kalops sp.1 Poplin and Lund 2002
UMVP 2813
Kalops monophrys7 Poplin and Lund 2002
MV 2776, 2811, 3596
 Fubarichthyiformes - Fubarichthyidae
Fubarichthys sp.1, Fubarichthys "rio"1, Fubarichthys prolatus2, Fubarichthys copiosus2, Fubarichthys brevis2, Yogoniscus gulo2
Fubarichthys sp.1 Lowney 1980
UMVP 2794
Fubarichthys "rio"1 Lowney 1980
UMVP 2550
Fubarichthys prolatus2 Lowney 1980
UMVP 2556
Fubarichthys copiosus2 Lowney 1980
UMVP 2790, and others
Fubarichthys brevis2 Lowney 1980
UMVP 2554
Yogoniscus gulo2 Lowney 1980
UMVP 2775
 Phanerosteonoidei - Phanerosteonidae
Phanerosteon phonax2
Phanerosteon phonax2 Lowney 1980
UMVP 36367
  -
Beagiascus pulcherrimus6
Beagiascus pulcherrimus6 Mickle et al. 2009
MV 2551
Actinopteri
  - Tarrasiidae
Paratarrasius hibbardi n. gen.4
Paratarrasius hibbardi n. gen.4 Lund and Melton 1982
MV 2841
Osteichthyes
 Palaeonisciformes - Rhadinichthyidae
Wendyichthys dicksoni n. gen.5
Wendyichthys dicksoni n. gen.5 Lund and Poplin 1997
MV 2787, 2795, 2821, 2823
Coelacanthimorpha
  -
Allenypterus montanus n. gen. n. sp.
Allenypterus montanus n. gen. n. sp. Melton 1969 lobe-finned fish
MV 2555
1Henderson et al. 2023; 2Lowney 1980; 3Lund 2000; 4Lund and Melton 1982; 5Lund and Poplin 1997; 6Mickle et al. 2009; 7Poplin and Lund 2002; 8Schram 1979