MV 7106, Supercrop Quarry, Bear Gulch: Arnsbergian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnatha - Petromyzontiformes - Hardistiellidae
Hardistiella montanensis n. gen., n. sp. Janvier and Lund 1983
Janvier and Lund 1983
unclassified
Mesopoma becketense Lowney 1980
Lowney 1980
nomen nudum belonging to Mesopoma
UMVP 6997
Paphosisciformes - Paphosiscidae
Paphosiscus circulocaudus Grogan and Lund 2015
Grogan and Lund 2015
UMVP 7014
unclassified
Beagiascus pulcherrimus Mickle et al. 2009
Mickle et al. 2009 2 specimens
UMVP 3801, 3806, 6084
Palaeonisciformes - Rhadinichthyidae
Wendyichthys lautreci n. sp. Lund and Poplin 1997
Lund and Poplin 1997 1 specimen
Wendyichthys dicksoni n. gen., n. sp. Lund and Poplin 1997
Lund and Poplin 1997 52 specimens
MV 3857, 3615, 3628, 3828, 3831, 3843, 4740, 6870, 6109-15, 6368, 6869-70, 6906-6914, 6925, 6929-30, 6975-7, 6979-6985, 7401, 7647-7651, 7653, 7655, 7773, 7774, 7776, 7933
Cyranorhis n. gen. bergeraci Lund and Poplin 1997
Lund and Poplin 1997 4 specimens
MV 3962, 6125, 6921, 7656
Rhadinichthys sp. Traquair 1877
Henderson et al. 2023
UMVP 36107
Actinopteri - Tarrasiidae
Tarrasiidae informal n. gen.
Henderson et al. 2023
UMVP 37295
Paratarrasius hibbardi n. gen., n. sp. Lund and Melton 1982
Lund and Melton 1982 4 specimens
MV 3562, 3600, 5557, 6931
Apholidotos ossuosus
Henderson et al. 2023
nomen dubium belonging to Tarrasiidae
UMVP 5559; UMVP 112798, UMVP 2964, and others
Fubarichthyiformes - Fubarichthyidae
Yogoniscus lojo
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 3802
Yogoniscus gulo Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 3394, and others
Fubarichthys sp. Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 10586, and others
Fubarichthys copiosus Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 34716 and others
Fubarichthys brevis Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 36916, and others
Fubarichthys prolatus Lowney 1980
Lowney 1980
invalid subgroup of Fubarichthyiformes
UMVP 10119, and others
Fubarichthys informal rio Lowney 1980
Henderson et al. 2023
invalid subgroup of Fubarichthyiformes
UMVP 3592, and others
Aesopichthyidae
Aesopichthys erinaceus Poplin and Lund 2000
Poplin and Lund 2000 3 specimens
MV 6373, 7015, 7668
Phanerosteonidae
Phanerosteon phonax Lowney 1980
Lowney 1980
nomen nudum belonging to Phanerosteon
UMVP 16123 and others
Guildayichthyiformes - Guildayichthyidae
Discoserra pectinodon Lund 2000
Lund 2000
UMVP 27756, and others
Guildayichthys carnegiei Lund 2000
Sallan and Coates 2010
unclassified
Lineagruan sp. Mickle et al. 2009
Henderson et al. 2023
UMVP 6134, and others
Lineagruan snowyi Mickle et al. 2009
Mickle et al. 2009 2 specimens
MV 6119, 7010
Lineagruan judithi Mickle et al. 2009
Mickle et al. 2009 6 specimens
MV 3630, 6132-3, 6372, 6936, 7657
Henderson et al. 2023
UMVP 13626, and others
Kalops diophrys Poplin and Lund 2002
Poplin and Lund 2002
UMVP 3993, and others
Kalops monophrys Poplin and Lund 2002
Poplin and Lund 2002
UMVP 3368, and others
Chondrichthyes
Delphyodontos dacriformes n. gen., n. sp. Lund 1980
Lund 1980
Chondrichthyes - Debeeriiformes - Debeeriidae
Debeerius ellefseni Grogan and Lund 2000
Grogan and Lund 2000 1 specimen
MV 6165
Chondrichthyes - Chondrenchelyiformes - Chondrenchelyidae
Harpagofututor volsellorhinus Lund 1982
Lund 1982 11 specimens
MV 3766, 3985, 5553, 5554, 6186, 6205, 6945-8
Chondrichthyes - Chimaeriformes - Echinochimaeridae
Echinochimaera meltoni n. gen., n. sp. Lund 1977
Lund 1977
Chondrichthyes - Petalodontiformes - Pristodontidae
Siksika ottae n. gen., n. sp. Lund 1989
Lund 1989
Chondrichthyes - Petalodontiformes - Belantseidae
Belantsea montana n. gen., n. sp. Lund 1989
Lund 1988 1 specimen
MV 7698
Chondrichthyes - Petalodontiformes - Janassidae
Janassa clarki n. sp. Lund 1989
Lund 1989
Chondrichthyes - Iniopterygia - Iniopterygidae
Papilionichthys stahlae Grogan and Lund 2009
Grogan and Lund 2009 2 specimens
MV 7680, 7682
Rainerichthys zangerli Grogan and Lund 2009
Grogan and Lund 2009 2 specimens
MV 6174, 7681
Chondrichthyes - Symmoriiformes - Falcatidae
Damocles serratus Lund 1986
Lund 1986 4 specimens
MV 5449, 6158, 6957, 7685
Falcatus falcatus (St. John and Worthen 1883)
Lund 1985 44 specimens
MV 3334, 4750, 4766, 4793, 5352, 5385-93, 5444-8, 5450-1, 6159, 6196-8, 6933-4, 6949-6, 7686-94
Polychaeta - Eunicida - Lumbrinereidae
Phiops aciculorum n. gen., n. sp. Schram 1979
Schram 1979 2 specimens
UM 5543, 5873
Polychaeta
Ramesses magnus n. gen., n. sp. Schram 1979
Schram 1979 6 specimens
UM 5550-5553, 5560, 5877
Polychaeta - Phyllodocida - Goniadidae
Carbosesostris megaliphagon n. gen., n. sp. Schram 1979
Schram 1979 5 specimens
UM 5542, 5871, 6355(x3)
Polychaeta - Phyllodocida - Nephtyidae
Astreptoscolex anasillosus Thompson 1979
Schram 1979 3 specimens
UM 5872, 5874, 5876
Polychaeta
Soris labiosus n. gen., n. sp. Schram 1979
Schram 1979 2 specimens
UM 5548, 5549
Cephalopoda
Gordoniconus hewitti n. sp. Mapes et al. 2010
Mapes et al. 2010 1 specimen
UMNC 8275
Gordoniconus beargulchensis Mapes et al. 2010
Mapes et al. 2010 1 specimen
UMNC 5743
Xiphosura - Xiphosurida - Belinuridae
Euproops sp. Meek 1867
1 specimen
UM 5558
Xiphosura - Xiphosurida - Austrolimulidae
Paleolimulus longispinus n. sp. Schram 1979
1 specimen
recombined as Boeotiaspis longispinus
UM 5559
unclassified
Nemavermes mackeei Schram 1973
Schram 1979 6 specimens
UM 5554, 5562, 5564, 5569, 5570, 5875
    = Metazoa indet. Haeckel 1874
McCoy et al. 2023
synonym of Animalia
Examined specimens belong to multiple taxa, so identity of others is unclear
Deuteronectanebos papillorum n. gen., n. sp. Schram 1979
Schram 1979 5 specimens
UM 5545, 5544, 5546, 5561, 5819
Archisymplectes rhothon Schram 1973
Schram 1979 1 specimen
UM 5546
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
Also known as:MI 7106
Database number:116654
Authorizer:M. Clapham, J. Alroy, E. Dunne Enterer:M. Clapham, J. Alroy, S. Fasey
Modifier:M. Clapham Research group:marine invertebrate,vertebrate
Created:2011-09-10 09:43:03 Last modified:2024-02-05 00:05:15
Access level:the public Released:2011-09-10 09:43:03
Creative Commons license:CC BY
Reference information

Primary reference:

51729.decapod F. R. Schram. 1979. Limulines of the Mississippian Bear Gulch Limestone of Central Montana, USA. Transactions of the San Diego Society of Natural History 19(6):67-74 [C. Schweitzer/L. Baltzly]

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]
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]
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]
37534 P. Janvier and R. Lund. 1983. Hardistiella montanensis n. gen. et sp. (Petromyzontida) from the Lower Carboniferous of Montana, with remarks on the affinities of the lampreys. Journal of Vertebrate Paleontology 2(4):407-413 [M. Clapham/M. Clapham/M. Clapham]
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]
86831 R. Lund. 1977. Echinochimaera meltoni new genus and species (Chimaeriformes), from the Mississippian of Montana. Annals of the Carnegie Museum 46:195-221 [P. Wagner/P. Wagner]
37550 R. Lund. 1980. Viviparity and intrauterine feeding in a new Holocephalan fish from the Lower Carboniferous of Montana. Science 209:697-699 [M. Clapham/M. Clapham]
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]
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]
30519 R. Lund. 1986. On Damocles serratus, nov. gen. et sp. (Elasmobranchii: Cladodontida) from the Upper Mississippian Bear Gulch Limestone of Montana. Journal of Vertebrate Paleontology 6(1):12-19 [J. Alroy/J. Alroy]
30520 R. Lund. 1988. New information on Squatinactis caudispinatus (Chondrichthyes, Cladodontida) from the Chesterian Bear Gulch Limestone of Montana. Journal of Vertebrate Paleontology 8(3):340-342 [J. Alroy/J. Alroy]
30521 R. Lund. 1989. New petalodonts (Chondrichthyes) from the Upper Mississippian Bear Gulch Limestone (Namurian E₂b) of Montana. Journal of Vertebrate Paleontology 9(3):350-368 [J. Alroy/J. Alroy]
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 ]
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]
86783 R. H. Mapes, E. A. Weller, and L. A. Doguzhaeva. 2010. Early Carboniferous (Late Namurian) coleoid cephalopods showing a tentacle with arm hooks and an ink sac from Montana, USA. In K. Tanabe, Y. Shigeta, T. Sasaki, H. Hirano (eds.), Cephalopods - Present and Past 155-170 [M. Clapham/M. Clapham]
87342 V. E. McCoy, J. Wittry, H. Sadabadi and P. Mayer. 2023. A reappraisal of Nemavermes mackeei from the Mazon Creek fossil site expands Carboniferous cyclostome diversity. Journal of Paleontology 97:1116-1132 [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]
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]
55010 F. R. Schram. 1979. Worms of the Mississippian Bear Gulch Limestone of central Montana, USA. Transactions of the San Diego Society of Natural History 19:107-120 [M. Clapham/M. Clapham]