MV 5410, Bear Gulch: Arnsbergian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Symmoriiformes - Falcatidae
Falcatus falcatus (St. John and Worthen 1883)
Lund 1985 1 specimen
MV 6157
Chondrichthyes - Iniopterygia - Iniopterygidae
Papilionichthys stahlae n. gen., n. sp. Grogan and Lund 2009
Grogan and Lund 2009 1 specimen
MV 6170
Chondrichthyes - Debeeriiformes - Debeeriidae
Debeerius ellefseni Grogan and Lund 2000
Grogan and Lund 2000 1 specimen
MV 6166
Chondrichthyes - Petalodontiformes - Petalodontidae
Polyrhizodus digitatus (Leidy 1857)
Lund 1983 1 specimen
original and current combination Ctenoptychius digitatus
MV 6167
Chondrichthyes - Chondrenchelyiformes - Chondrenchelyidae
Harpagofututor volsellorhinus Lund 1982
2 specimens
MV 5369, 5377
Fubarichthyiformes - Fubarichthyidae
Yogoniscus sp. Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 3915
Fubarichthys sp. Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 37396
Fubarichthys informal rio Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 10193, and others
unclassified
Lineagruan sp. Mickle et al. 2009
Henderson et al. 2023
UMVP 6136
Lineagruan judithi Mickle et al. 2009
Mickle et al. 2009 1 specimen
MV 6927
Aesopichthyidae
Aesopichthys erinaceus Poplin and Lund 2000
Poplin and Lund 2000 1 specimen
MV 7792
Palaeonisciformes - Rhadinichthyidae
Wendyichthys n. gen. dicksoni Lund and Poplin 1997
Lund and Poplin 1997 4 specimens
MV 2806, 2911, 2931, 2972, 8606
Actinopteri - Tarrasiidae
Paratarrasius n. gen. hibbardi Lund and Melton 1982
Lund and Melton 1982 1 specimen
MV 5558
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,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Material is at the University of Montana
Metadata
Database number:116655
Authorizer:M. Clapham, J. Alroy, E. Dunne Enterer:M. Clapham, J. Alroy, S. Fasey
Modifier:M. Clapham Research group:vertebrate
Created:2011-09-10 09:43:34 Last modified:2024-02-05 00:05:24
Access level:the public Released:2011-09-10 09:43:34
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:

37536 E. D. Grogan and R. Lund. 2000. Debeerius ellefseni (Fam Nov, Gen Nov, Spec Nov), an autodiastylic chondrichthyan from the Mississippian Bear Gulch Limestone of Montana (USA), the relationships of the Chondrichthyes, and comments on gnathostome evolution. Journal of Morphology 243:219-245 [M. Clapham/M. Clapham/M. Clapham]
42310 E. D. Grogan and R. Lund. 2009. Two new iniopterygians (Chondrichthyes) from the Mississippian (Serpukhovian) Bear Gulch Limestone of Montana with evidence of a new form of chondrichthyan neurocranium. Acta Zoologica 90(Suppl. 1):134-151 [M. Clapham/M. Clapham]
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]
30515 R. Lund. 1983. On a dentition of Polyrhizodus (Chondrichthyes, Petalodontiformes) from the Namurian Bear Gulch Limestone of Montana. Journal of Vertebrate Paleontology 3(1):1-6 [J. Alroy/J. Alroy]
30517 R. Lund. 1985. The morphology of Falcatus falcatus (St. John and Worthen), a Mississippian stethacanthid chondrichthyan from the Bear Gulch Limestone of Montana. Journal of Vertebrate Paleontology 5(1):1-19 [J. Alroy/J. Alroy]
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]