Bear Gulch Limestone Lens: Arnsbergian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Paphosisciformes - Paphosiscidae
Paphosiscus scalmocristus Grogan and Lund 2015
Grogan and Lund 2015
ROM 41110 (holotype), CM 46112, 62924, 89514
Paphosiscus circulocaudus Grogan and Lund 2015
Grogan and Lund 2015
CM 62925 (holotype), CM 35342, 35587, 37617, 37618, 40996, 41069, 46117, 48589, 48590, 48811, 48812, 48837, 63143 – 63147, 78505- 78507, 86231, 89515, 89516; MV 6096, 6871, 7014, 8619; ROM 41044, 41056, 41118, UMVP 6871, UMVP 8619
Actinopterygii
Actinopterygii informal BGLP
Sallan and Coates 2010
Actinopterygii informal big antorbital
Sallan and Coates 2010
Actinopterygii informal deep scale
Sallan and Coates 2010
Actinopterygii informal horizontal cheek
Sallan and Coates 2010
Actinopterygii informal pseudo
Sallan and Coates 2010
Actinopterygii informal spike
Sallan and Coates 2010
Actinopterygii informal tube bod
Sallan and Coates 2010
Fubarichthyiformes - Fubarichthyidae
Yogoniscus gulo Lowney 1980
invalid subgroup of Fubarichthyiformes
MV 2775 (type), MV 2808, 2yl9, 2952, 3815, 3846, 4770, 6082-6095, 6876-6880, 6892-6896; CM 23655, 27402, 27422, 30523, 30528, 30541, 30542, 30572, 30576, 30584, 35277, 35280, 35282, 35285, 35324-35341, 35452, 35548, 35550, 35561, 35565, 35605, 35607, 35617, 35631, 36648, 35660, 35679
Fubarichthys prolatus Lowney 1980
invalid subgroup of Fubarichthyiformes
MV 6903 (type; part and counterpart of whole fish), M V 3836, 6140, 6141, 6153, 6154, 6904-6905, 6935; C M 27366, 27411, 30540, 30547, 30569, 35418-35424, 35448, 35581, 35582, 35583
Fubarichthys brevis Lowney 1980
invalid subgroup of Fubarichthyiformes
MV 2550 (type; whole fish without counterpart), MV 2912, 4593, 6142-6145 6155, 6893, 6916, 6917; CM 27357, 27396, 30531, 30554, 30556, 30568, 35425-35437, 35453, 35454, 35584-35586, 35604, 35635
Fubarichthys copiosus Lowney 1980
invalid subgroup of Fubarichthyiformes
MV 2923 (type), MV 2790, 2791, 2793, 2914, 2922, 2929, 3061, 3583, 3589, 3614, 3817, 6054, 6056, 6065-6079, 6882-6895, 7143; CM 27358, 27368, 27379, 27384, 27400, 27403, 27404, 27416, 27421, 30527, 30538, 30546, 30551, 30564, 30578, 30579, 30586, 30612, 35286-35318, 35320, 35321, 35551-35560, 35590, 35608, 35663, 35684
Palaeonisciformes - Rhadinichthyidae
Cyranorhis bergeraci Lund and Poplin 1997
Lund and Poplin 1997
UMVP 10194, UMVP 2974
Wendyichthys dicksoni Lund and Poplin 1997
Lund and Poplin 1997
Rhadinichthys athertonensis Lowney 1980
Sallan and Coates 2010
nomen nudum belonging to Rhadinichthys
Palaeonisciformes - Platysomidae
Platysomus sp. Agassiz 1833
Sallan and Coates 2010
Palaeonisciformes
Cornuboniscus sp. White 1939
Sallan and Coates 2010
Phanerosteonidae
Phanerosteon phonax Lowney 1980
nomen nudum belonging to Phanerosteon
MV 3830 (type; part and counterpart of a complete fish), MV 3610, 3829, 4731, 6121- 6124, 6367, 6918, 6919; CM 27359, 27424, 30555, 30557, 30610, 30611, 30613, 30615, 35381-35389, 35588, 35589
Atrocauda lundae Lowney 1980
invalid subgroup of Phanerosteonoidei
MV 3627 (type); MV 2782, 2792, 2916, 2925, 2926, 2948, 2955, 3818, 4752, 6103-6106, 6877, 6898- 6902; CM 27362, 27367, 27370, 27397, 27405, 27420, 30535, 30548, 30567, 30582, 30606, 35351-35360, 35466, 35567- 35571, 35602.
Guildayichthyiformes - Guildayichthyidae
Guildayichthys carnegiei Lund 2000
Lund 2000
CM 41071 (holotype); MV 6045, 6046, 6932, 7671, 7758, 7795. CM 27293, 27297, 35217, 37548, 37549-37550, 41010, 46091, 46095, 46131, 46293, 46294, 46295, 46296, 46297. ROM 36560, 41039, 41042, 41047, 43012. FMNH PF10026.
Discoserra pectinodon n. gen., n. sp. Lund 2000
Lund 2000
Palaeoniscoidea
Acontoniscus cracens n. gen., n. sp. (Poplin and Lund 2002)
MV 2776, MV 3368, 3596, 4728, 6128-6131, 6366, 6370, 6932-6935; CM 27372, 27374, 27412, 30539, 30550, 30558, 30563, 30580, 30583, 35394-35396, 35398- 35403, 35450, 35451, 35592-35594, 35633, 35680, 35688
    = Acanthoniscus cracens Lowney 1980
Liu and Tseng 1964
invalid subgroup of Actinopterygii
unclassified
Lineagruan judithi Mickle et al. 2009
Sallan and Coates 2010
UMVP 6927
Eurekichthyidae
Eurekichthys vermipinna Lowney 1980
invalid subgroup of Eurekichthyoidei
MV 2945 (type); MV 3552, 3608, 3826, 6102, 6149-6151, 6928; CM 27357, 30534, 30552, 30584, 35442- 35445.
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:small collection
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:member
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:open 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
Reason for describing collection:taxonomic analysis
Museum repositories:ROM
Metadata
Database number:226838
Authorizer:E. Dunne, J. Flannery-Sutherland Enterer:S. Fasey, J. Flannery-Sutherland
Modifier:M. Clapham Research group:vertebrate
Created:2022-08-01 09:35:02 Last modified:2024-02-05 00:06:54
Access level:the public Released:2022-08-01 09:35:02
Creative Commons license:CC BY
Reference information

Primary reference:
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]

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]
39830 H. Liu and H. Tseng. 1964. Note on a Permian Dorypteru of Hsinhua, Central Hunan. Palaeontology 8(3):318-321 [M. Clapham/P. Elliott/P. Elliott]
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 ]
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]
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]