MV 6904, Channel Crop Quarry, Bear Gulch: Arnsbergian, Montana
collected by Melton
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Palaeonisciformes
- Rhadinichthyidae
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Wendyichthys n. gen. dicksoni
Lund and Poplin 1997
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1 specimen | |||||||||
| MV 6108 | ||||||||||
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Guildayichthyiformes
- Guildayichthyidae
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Discoserra pectinodon
Lund 2000
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Lund 2000 | |||||||||
| UMVP 2773 | ||||||||||
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Phanerosteonidae
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Phanerosteon phonax
Lowney 1980
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Lowney 1980 | |||||||||
| UMVP 6124 | ||||||||||
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Fubarichthyiformes
- Fubarichthyidae
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Fubarichthys copiosus
Lowney 1980
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Lowney 1980 | |||||||||
| UMVP 36875 | ||||||||||
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Paphosisciformes
- Paphosiscidae
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Paphosiscus circulocaudus
Grogan and Lund 2015
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Grogan and Lund 2015 | |||||||||
| UMVP 6096 | ||||||||||
| 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: | 327.4 - 324 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
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Metadata
| Database number: | 116762 | ||
| Authorizer: | M. Clapham, E. Dunne | Enterer: | M. Clapham, S. Fasey |
| Modifier: | M. Clapham | Research group: | vertebrate |
| Created: | 2011-09-11 09:32:56 | Last modified: | 2024-02-05 00:06:05 |
| Access level: | the public | Released: | 2011-09-11 09:32:56 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 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] |
Secondary references:
| 82390 | E. D. Grogan and R. Lund. 2015. Two new Actinopterygii (Vertebrata, Osteichthyes) with cosmine from the Bear Gulch Limestone (Heath Fm., Serpukhovian, Mississippian) of Montana USA. Proceedings of the Academy of Natural Sciences of Philadelphia 164:111-132 [E. Dunne/S. Fasey] | |
| 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 ] |