MV 7106, Supercrop Quarry, Bear Gulch (Carboniferous of the United States)

Also known as MI 7106

Where: Fergus County, Montana (46.9° N, 109.0° W: paleocoordinates 5.4° N, 35.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bear Gulch Member (Heath Formation), Arnsbergian (326.4 - 318.1 Ma)

• "Namurian E2b" (E2 = Arnsbergian)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, concretionary limestone

• "shallow, marine tropical bay" (Lund 1985)
• "rhythmically alternating sets of microturbidite beds and laminar beds" (Grogan and Lund 1997)

Size class: macrofossils

Preservation: adpression, concretion, soft parts

Collection methods: mechanical,

• Material is at the University of Montana

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116654: authorized by Matthew Clapham, entered by Matthew Clapham on 10.09.2011, edited by John Alroy and Sophie Fasey

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
"Metazoa indet." = Animalia18
"Metazoa indet." = Animalia18 Linnaeus 1758
UM 5554, 5562, 5564, 5569, 5570, 5875
Archisymplectes rhothon
  -
Archisymplectes rhothon23 Schram 1973
UM 5546
Deuteronectanebos papillorum
  -
Deuteronectanebos papillorum n. gen. n. sp.23 Schram 1979
UM 5545, 5544, 5546, 5561, 5819
Cephalopoda
 Coleoidea -
Gordoniconus beargulchensis17 Mapes et al. 2010
UMNC 5743
Gordoniconus hewitti n. sp.17 Mapes et al. 2010
UMNC 8275
Polychaeta
 Phyllodocida - Nephtyidae
Astreptoscolex anasillosus23 Thompson 1979 scale worm
UM 5872, 5874, 5876
 Phyllodocida - Goniadidae
Carbosesostris megaliphagon n. gen. n. sp.23
Carbosesostris megaliphagon n. gen. n. sp.23 Schram 1979 scale worm
UM 5542, 5871, 6355(x3)
 Eunicida - Lumbrinereidae
Phiops aciculorum n. gen. n. sp.23
Phiops aciculorum n. gen. n. sp.23 Schram 1979
UM 5543, 5873
  -
Ramesses magnus n. gen. n. sp.23, Soris labiosus n. gen. n. sp.23
Ramesses magnus n. gen. n. sp.23 Schram 1979
UM 5550-5553, 5560, 5877
Soris labiosus n. gen. n. sp.23 Schram 1979
UM 5548, 5549
Xiphosura
 Xiphosurida - Austrolimulidae
"Paleolimulus longispinus n. sp." = Boeotiaspis longispinus
"Paleolimulus longispinus n. sp." = Boeotiaspis longispinus Schram 1979
UM 5559
 Xiphosurida - Belinuridae
Euproops sp. Meek 1867
UM 5558
Agnatha
 Petromyzontiformes - Hardistiellidae
Hardistiella montanensis n. gen. n. sp.5
Hardistiella montanensis n. gen. n. sp.5 Janvier and Lund 1983 lamprey
Chondrichthyes
 Iniopterygia - Iniopterygidae
Rainerichthys zangerli2 Grogan and Lund 2009 cartilaginous fish
MV 6174, 7681
Papilionichthys stahlae2 Grogan and Lund 2009 cartilaginous fish
MV 7680, 7682
 Symmoriiformes - Falcatidae
Falcatus falcatus10 St. John and Worthen 1883 elasmobranch
MV 3334, 4750, 4766, 4793, 5352, 5385-93, 5444-8, 5450-1, 6159, 6196-8, 6933-4, 6949-6, 7686-94
Damocles serratus11 Lund 1986 elasmobranch
MV 5449, 6158, 6957, 7685
  -
Delphyodontos dacriformes n. gen. n. sp.8
Delphyodontos dacriformes n. gen. n. sp.8 Lund 1980 chimaera
 Chondrenchelyiformes - Chondrenchelyidae
Harpagofututor volsellorhinus9 Lund 1982 chimaera
MV 3766, 3985, 5553, 5554, 6186, 6205, 6945-8
 Chimaeriformes - Echinochimaeridae
Echinochimaera meltoni n. gen. n. sp.7
Echinochimaera meltoni n. gen. n. sp.7 Lund 1977 chimaera
 Debeeriiformes - Debeeriidae
Debeerius ellefseni1 Grogan and Lund 2000 chimaera
MV 6165
 Petalodontiformes - Belantseidae
Belantsea montana n. gen. n. sp.12
Belantsea montana n. gen. n. sp.12 Lund 1989 chimaera
MV 7698
 Petalodontiformes - Pristodontidae
Siksika ottae n. gen. n. sp.13
Siksika ottae n. gen. n. sp.13 Lund 1989 chimaera
 Petalodontiformes - Janassidae
Janassa clarki n. sp.13
Janassa clarki n. sp.13 Lund 1989 chimaera
Osteichthyes
 Actinopterygii -
Mesopoma becketense6 Lowney 1980 ray-finned fish
UMVP 6997
 Paphosisciformes - Paphosiscidae
Paphosiscus circulocaudus3 Grogan and Lund 2015 ray-finned fish
UMVP 7014
  -
Lineagruan sp.4 Mickle et al. 2009
UMVP 6134, and others
Lineagruan snowyi19 Mickle et al. 2009
MV 6119, 7010
Lineagruan judithi19 Mickle et al. 2009
MV 3630, 6132-3, 6372, 6936, 7657
 Phanerosteonoidei - Phanerosteonidae
Phanerosteon phonax6 Lowney 1980
UMVP 16123 and others
  - Aesopichthyidae
Aesopichthys erinaceus20 Poplin and Lund 2000
MV 6373, 7015, 7668
  -
Kalops sp.4 Poplin and Lund 2002
UMVP 13626, and others
Kalops diophrys21 Poplin and Lund 2002
UMVP 3993, and others
Kalops monophrys21 Poplin and Lund 2002
UMVP 3368, and others
 Fubarichthyiformes - Fubarichthyidae
Yogoniscus lojo4
UMVP 3802
Yogoniscus gulo6 Lowney 1980
UMVP 3394, and others
Fubarichthys sp.4 Lowney 1980
UMVP 10586, and others
Fubarichthys brevis6 Lowney 1980
UMVP 36916, and others
Fubarichthys "rio"4 Lowney 1980
UMVP 3592, and others
Fubarichthys copiosus6 Lowney 1980
UMVP 34716 and others
Fubarichthys prolatus6 Lowney 1980
UMVP 10119, and others
  -
Beagiascus pulcherrimus19 Mickle et al. 2009
UMVP 3801, 3806, 6084
Actinopteri
  - Tarrasiidae
Apholidotos ossuosus4
UMVP 5559; UMVP 112798, UMVP 2964, and others
Paratarrasius hibbardi n. gen. n. sp.15 Lund and Melton 1982
MV 3562, 3600, 5557, 6931
Osteichthyes
 Palaeonisciformes - Rhadinichthyidae
Wendyichthys lautreci n. sp.16 Lund and Poplin 1997
Wendyichthys dicksoni n. gen. n. sp.16 Lund and Poplin 1997
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
Rhadinichthys sp.4 Traquair 1877
UMVP 36107
Cyranorhis bergeraci n. gen.16 Lund and Poplin 1997
MV 3962, 6125, 6921, 7656
 Guildayichthyiformes - Guildayichthyidae
Discoserra pectinodon14 Lund 2000
UMVP 27756, and others