MV 7632, Blacktail Pillar, Bear Gulch: Arnsbergian, Montana
collected by Melton, Lund

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Palaeonisciformes - Rhadinichthyidae
Cyranorhis bergeraci Lund and Poplin 1997
Lund and Poplin 1997
UMVP 38605
Wendyichthys lautreci Lund and Poplin 1997
Lund and Poplin 1997
Wendyichthys n. gen. dicksoni Lund and Poplin 1997
Lund and Poplin 1997 8 specimens
MV 6117-8, 6146, 8602, 8604, 8608-10
Fubarichthyiformes - Fubarichthyidae
Fubarichthys sp. Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 9994
Fubarichthys copiosus Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 6884
Fubarichthys prolatus Lowney 1980
Lund and Poplin 1999
invalid subgroup of Fubarichthyiformes
Fubarichthys brevis Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 8600
Fubarichthys informal rio Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 6155
Yogoniscus gulo Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 36970
Actinopteri - Tarrasiidae
Paratarrasius hibbardi Lund and Melton 1982
Sallan and Coates 2010
Apholidotos ossna Lund 1991
Lund and Poplin 1999
"garden eel"
Phanerosteonidae
Atrocauda lundae Lowney 1980
Lund and Poplin 1999
invalid subgroup of Phanerosteonoidei
"long pelvic"
unclassified
Kalops monophrys Poplin and Lund 2002
Poplin and Lund 2002
UMVP 6131, and others
Kalops diophrys Poplin and Lund 2002
Poplin and Lund 2002
UMVP 6139, 8617
Aesopichthyidae
Aesopichthys erinaceus Poplin and Lund 2000
Poplin and Lund 2000 1 specimen
MV 7790
Proceramala montanensis Poplin and Lund 2000
Poplin and Lund 2000
CM 41011a, b (holotype); CM 35222, 46005a, b; 62789a, b; This may be a duplicate from collection 90681
unclassified
Mesopoma becketense Lowney 1980
Lowney 1980
nomen nudum belonging to Mesopoma
UMVP 6998
Chondrichthyes - Symmoriiformes - Falcatidae
Falcatus falcatus (St. John and Worthen 1883)
Lund 1985 1 specimen
MV 6156
Chondrichthyes - Chondrenchelyiformes - Chondrenchelyidae
Harpagofututor volsellorhinus Lund 1982
2 specimens
MV 6188, 6189
Chondrichthyes - Debeeriiformes - Debeeriidae
Heteropetalus elegantulus Lund 1977
Lund and Poplin 1999
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, Lund
Collection method comments: Material is at the University of Montana
Metadata
Database number:116659
Authorizer:M. Clapham, E. Dunne Enterer:M. Clapham, S. Fasey
Modifier:M. Clapham Research group:vertebrate
Created:2011-09-10 10:01:29 Last modified:2024-02-04 23:44:56
Access level:the public Released:2011-09-10 10:01:29
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]
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]
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]
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]
61835 L. C. Sallan and M. I. Coates. 2010. End-Devonian extinction and a bottleneck in the early evolution of modern jawed vertebrates. Proceedings of the National Academy of Sciences 107(22):10131-10135 [D. Briggs/C. Whalen/C. Whalen]