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

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