Where: Fergus County, Montana (46.9° N, 109.0° W: paleocoordinates 5.4° N, 35.1° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Bear Gulch Member (Heath Formation), Arnsbergian (327.0 - 323.7 Ma)
• "Namurian E2b" (E2 = Arnsbergian)
• member-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified, concretionary limestone
Size class: macrofossils
Preservation: adpression, concretion, soft parts
Reposited in the ROM
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 226838: authorized by Emma Dunne, entered by Sophie Fasey on 01.08.2022, edited by Joseph Flannery-Sutherland
Creative Commons license: CC BY (attribution)
Taxonomic list
| Gnathostomata | |
Actinopterygii "BGLP"5, Actinopterygii "big antorbital"5, Actinopterygii "deep scale"5, Actinopterygii "horizontal cheek"5, Actinopterygii "pseudo"5, Actinopterygii "spike"5, Actinopterygii "tube bod"5
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| Osteichthyes | |
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Atrocauda lundae Lowney 1980 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.
Phanerosteon phonax Lowney 1980 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
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Platysomus sp.5 Agassiz 1833 | |
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Cornuboniscus sp.5 White 1939 | |
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Rhadinichthys athertonensis5 Lowney 1980
Wendyichthys dicksoni4 Lund and Poplin 1997 | |
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Eurekichthys vermipinna Lowney 1980 MV 2945 (type); MV 3552, 3608, 3826, 6102, 6149-6151, 6928; CM 27357, 30534, 30552, 30584, 35442- 35445.
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Discoserra pectinodon n. gen. n. sp.3 Lund 2000
Guildayichthys carnegiei3 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.
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Acanthoniscus cracens2 Lowney 1980 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
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Fubarichthys prolatus Lowney 1980 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 copiosus Lowney 1980 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
Fubarichthys brevis Lowney 1980 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
Yogoniscus gulo Lowney 1980 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
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Paphosiscus circulocaudus1 Grogan and Lund 2015 ray-finned fish 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
Paphosiscus scalmocristus1 Grogan and Lund 2015 ray-finned fish ROM 41110 (holotype), CM 46112, 62924, 89514
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