MV 7101, Buchek Quarry, Bear Gulch: Arnsbergian, Montana
collected by Melton

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 3815
Fubarichthys sp. Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 7785
Fubarichthys copiosus Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 3817, 3819, 7784
Palaeonisciformes - Rhadinichthyidae
Wendyichthys n. gen. dicksoni Lund and Poplin 1997
Lund and Poplin 1997 3 specimens
MV 3813, 3827, 3848
Guildayichthyiformes - Guildayichthyidae
Discoserra pectinodon Lund 2000
Lund and Poplin 1999
Actinopteri - Tarrasiidae
Tarrasiidae indet.
Henderson et al. 2023
UMVP 3921
Apholidotos ossuosus
Henderson et al. 2023
nomen dubium belonging to Tarrasiidae
UMVP 3809
Paratarrasius hibbardi Lund and Melton 1982
Lund and Melton 1982
UMVP 7395
Aesopichthyidae
Aesopichthys erinaceus Poplin and Lund 2000
Poplin and Lund 2000 1 specimen
MV 3814
unclassified
Strepsodus sp. Huxley and Etheridge 1865
Lund and Poplin 1999
Coelacanthimorpha
Hadronector donbairdi Lund and Lund 1984
Lund and Poplin 1999
Chondrichthyes - Chondrenchelyiformes - Chondrenchelyidae
Harpagofututor volsellorhinus Lund 1982
3 specimens
MV 2915, 3808, 3973
Chondrichthyes - Listracanthidae
Listracanthus histrix (Newberry and Worthen 1870)
Lund and Poplin 1999
original and current combination Listracanthus hystrix
see common names

Geography
Country:United States State/province:Montana County:Fergus
Coordinates: 47.0° North, 108.9° West (view map)
Paleocoordinates:5.3° 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,field collection
Reason for describing collection:taxonomic analysis
Collectors:Melton
Collection method comments: Material is at the University of Montana
Metadata
Database number:116656
Authorizer:M. Clapham, E. Dunne Enterer:M. Clapham, S. Fasey
Modifier:M. Clapham Research group:vertebrate
Created:2011-09-10 09:51:40 Last modified:2024-02-04 23:46:31
Access level:the public Released:2011-09-10 09:51:40
Creative Commons license:CC BY
Reference information

Primary reference:

30512. R. Lund. 1982. Harpagofututor volsellorhinus new genus and species (Chondrichthyes, Chondrenchelyiformes) from the Namurian Bear Gulch Limestone, Chondrenchelys problematica Traquair (Visean), and their sexual dimorphism. Journal of Paleontology 56(4):938-958 [J. Alroy/J. Alroy/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]
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]
82495 R. Lund and C. Poplin. 1999. Fish diversity of the Bear Gulch Limestone, Namurian, Lower Carboniferous of Montana, USA. Geobios 32(2):285-295 [E. Dunne/S. Fasey]
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]