MV 6801, Surprise Quarry, Bear Gulch: Arnsbergian, Montana
collected by R. Hartin, C. Allen

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Fubarichthyiformes - Fubarichthyidae
Yogoniscus gulo Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 2775
Fubarichthys sp. Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 2794
Fubarichthys informal rio Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 2550
Fubarichthys prolatus Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 2556
Fubarichthys brevis Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 2554
Fubarichthys copiosus Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 2790, and others
Palaeonisciformes - Rhadinichthyidae
Wendyichthys n. gen. dicksoni Lund and Poplin 1997
Lund and Poplin 1997 4 specimens
MV 2787, 2795, 2821, 2823
Phanerosteonidae
Phanerosteon phonax Lowney 1980
Lowney 1980
nomen nudum belonging to Phanerosteon
UMVP 36367
Guildayichthyiformes - Guildayichthyidae
Discoserra pectinodon Lund 2000
Lund 2000
UMVP 2772
Actinopteri - Tarrasiidae
Paratarrasius n. gen. hibbardi Lund and Melton 1982
Lund and Melton 1982 1 specimen
MV 2841
unclassified
Henderson et al. 2023
UMVP 2813
Kalops monophrys Poplin and Lund 2002
Poplin and Lund 2002
MV 2776, 2811, 3596
Beagiascus pulcherrimus Mickle et al. 2009
Mickle et al. 2009 1 specimen
MV 2551
Coelacanthimorpha
Allenypterus montanus n. gen., n. sp. Melton 1969
1 specimen
MV 2555
unclassified
Archisymplectes rhothon Schram 1973
Schram 1979 1 specimen
UM 6485
see common names

Geography
Country:United States State/province:Montana County:Fergus
Coordinates: 46.9° North, 109.0° West (view map)
Paleocoordinates:5.4° North, 35.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Mississippian
Stage:Serpukhovian 10 m.y. bin:Carboniferous 3
Key time interval:Arnsbergian
Age range of interval:327.40000 - 324.00000 m.y. ago
Stratigraphy
Geological group:Big Snowy Formation:Heath Member:Bear Gulch
Stratigraphic resolution:group of beds
Stratigraphy comments: "Namurian E2b" (E2 = Arnsbergian)
Lithology and environment
Primary lithology:planar lamination,concretionary lithified "limestone"
Lithology description: "rhythmically alternating sets of microturbidite beds and laminar beds" (Grogan and Lund 1997)
Environment:lagoonal/restricted shallow subtidal
Geology comments: "shallow, marine tropical bay" (Lund 1985)
Taphonomy
Modes of preservation:body,adpression,concretion,soft parts
Size of fossils:macrofossils
Collection methods and comments
Collection methods:mechanical
Reason for describing collection:taxonomic analysis
Collectors:R. Hartin, C. Allen
Collection method comments: Material is at the University of Montana
Metadata
Database number:116660
Authorizer:M. Clapham, E. Dunne Enterer:M. Clapham, S. Fasey
Modifier:M. Clapham Research group:marine invertebrate,vertebrate
Created:2011-09-10 10:11:56 Last modified:2024-02-05 00:05:55
Access level:the public Released:2011-09-10 10:11:56
Creative Commons license:CC BY
Reference information

Primary reference:
37552. W. G. Melton. 1969. A new dorypterid fish from central Montana. Northwest Science 43:196-206 [M. Clapham/M. Clapham]

Secondary references:

84604 S. Henderson, E. M. Dunne, S. A. Fasey and S. Giles. 2023. The early diversification of ray-finned fishes (Actinopterygii): hypotheses, challenges and future prospects. Biological Reviews 98:284-315 [P. Wagner/P. Wagner]
82294 K. A. Lowney. 1980. Certain Bear Gulch (Namurian A, Montana) Acinopterygii (Osteichthyes) and a reevaluation of the evolution of the Paleozoic actinopterygians. [E. Dunne/S. Fasey]
39967 R. Lund. 2000. The new Actinopterygian order Guildayichthyiformes from the Lower Carboniferous of Montana (USA). Geodiversitas 22(2):171-206 [W. Dahdul/B. Frable ]
37538 R. Lund and W. G. Melton Jr. 1982. A new actinopterygian fish from the Mississippian Bear Gulch limestone of Montana. Palaeontology 25(3):485-498 [M. Clapham/M. Clapham]
37540 R. Lund and C. Poplin. 1997. The Rhadinichthyids (paleoniscoid actinopterygians) from the Bear Gulch limestone of Montana (USA, Lower Carboniferous). Journal of Vertebrate Paleontology 17(3):466-486 [M. Clapham/M. Clapham]
37539 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]
37537 C. Poplin and R. Lund. 2000. Two new deep-bodied palaeoniscoid actinopterygians from Bear Gulch (Montana, USA, Lower Carboniferous). Journal of Vertebrate Paleontology 20(3):428-449 [M. Clapham/M. Clapham/S. Fasey]
43569 C. M. Poplin and R. Lund. 2002. Two Carboniferous fine-eyed palaeoniscoids (Pisces, Actinopterygii) from Bear Gulch (USA). Journal of Paleontology 76(6):1014-1028 [S. Peters/S. McMullen/M. Clapham]
55010 F. R. Schram. 1979. Worms of the Mississippian Bear Gulch Limestone of central Montana, USA. Transactions of the San Diego Society of Natural History 19:107-120 [M. Clapham/M. Clapham]