PBDB Collection

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 (327.0 - 323.7 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

Show authors, comments, and common names

unclassified
-	"Metazoa indet." = Animalia¹⁸ "Metazoa indet." = Animalia¹⁸ Linnaeus 1758 UM 5554, 5562, 5564, 5569, 5570, 5875
Deuteronectanebos papillorum
-	Deuteronectanebos papillorum n. gen. n. sp.²³ Deuteronectanebos papillorum n. gen. n. sp.²³ Schram 1979 UM 5545, 5544, 5546, 5561, 5819
Archisymplectes rhothon
-	Archisymplectes rhothon²³ Archisymplectes rhothon²³ Schram 1973 UM 5546
Agnatha
Petromyzontiformes - Hardistiellidae	Hardistiella montanensis n. gen. n. sp.⁵ Hardistiella montanensis n. gen. n. sp.⁵ Janvier and Lund 1983 lamprey
Chondrichthyes
Petalodontiformes - Janassidae	Janassa clarki n. sp.¹³ Janassa clarki n. sp.¹³ Lund 1989 chimaera
Petalodontiformes - Pristodontidae	Siksika ottae n. gen. n. sp.¹³ Siksika ottae n. gen. n. sp.¹³ Lund 1989 chimaera
Petalodontiformes - Belantseidae	Belantsea montana n. gen. n. sp.¹² Belantsea montana n. gen. n. sp.¹² Lund 1989 chimaera MV 7698
Chimaeriformes - Echinochimaeridae	Echinochimaera meltoni n. gen. n. sp.⁷ Echinochimaera meltoni n. gen. n. sp.⁷ Lund 1977 chimaera
Chondrenchelyiformes - Chondrenchelyidae	Harpagofututor volsellorhinus⁹ Harpagofututor volsellorhinus⁹ Lund 1982 chimaera MV 3766, 3985, 5553, 5554, 6186, 6205, 6945-8
Debeeriiformes - Debeeriidae	Debeerius ellefseni¹ Debeerius ellefseni¹ Grogan and Lund 2000 chimaera MV 6165
-	Delphyodontos dacriformes n. gen. n. sp.⁸ Delphyodontos dacriformes n. gen. n. sp.⁸ Lund 1980 chimaera
Symmoriiformes - Falcatidae	Falcatus falcatus¹⁰, Damocles serratus¹¹ 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
Iniopterygia - Iniopterygidae	Rainerichthys zangerli², Papilionichthys stahlae² Rainerichthys zangerli² Grogan and Lund 2009 cartilaginous fish MV 6174, 7681 Papilionichthys stahlae² Grogan and Lund 2009 cartilaginous fish MV 7680, 7682
Osteichthyes
- Aesopichthyidae	Aesopichthys erinaceus²⁰ Aesopichthys erinaceus²⁰ Poplin and Lund 2000 MV 6373, 7015, 7668
-	Beagiascus pulcherrimus¹⁹ Beagiascus pulcherrimus¹⁹ Mickle et al. 2009 UMVP 3801, 3806, 6084
Guildayichthyiformes - Guildayichthyidae	Discoserra pectinodon¹⁴, Guildayichthys carnegiei²² Discoserra pectinodon¹⁴ Lund 2000 UMVP 27756, and others Guildayichthys carnegiei²² Lund 2000
-	Lineagruan sp.⁴, Lineagruan judithi¹⁹, Lineagruan snowyi¹⁹ Lineagruan sp.⁴ Mickle et al. 2009 UMVP 6134, and others Lineagruan judithi¹⁹ Mickle et al. 2009 MV 3630, 6132-3, 6372, 6936, 7657 Lineagruan snowyi¹⁹ Mickle et al. 2009 MV 6119, 7010
Palaeonisciformes - Rhadinichthyidae	Wendyichthys lautreci n. sp.¹⁶, Wendyichthys dicksoni n. gen. n. sp.¹⁶, Rhadinichthys sp.⁴, Cyranorhis bergeraci n. gen.¹⁶ 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
Fubarichthyiformes - Fubarichthyidae	Yogoniscus lojo⁴, Yogoniscus gulo⁶, Fubarichthys sp.⁴, Fubarichthys prolatus⁶, Fubarichthys copiosus⁶, Fubarichthys "rio"⁴, Fubarichthys brevis⁶ Yogoniscus lojo⁴ UMVP 3802 Yogoniscus gulo⁶ Lowney 1980 UMVP 3394, and others Fubarichthys sp.⁴ Lowney 1980 UMVP 10586, and others Fubarichthys prolatus⁶ Lowney 1980 UMVP 10119, and others Fubarichthys copiosus⁶ Lowney 1980 UMVP 34716 and others Fubarichthys "rio"⁴ Lowney 1980 UMVP 3592, and others Fubarichthys brevis⁶ Lowney 1980 UMVP 36916, and others
-	Kalops sp.⁴, Kalops diophrys²¹, Kalops monophrys²¹ 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
Phanerosteonoidei - Phanerosteonidae	Phanerosteon phonax⁶ Phanerosteon phonax⁶ Lowney 1980 UMVP 16123 and others
Actinopteri
- Tarrasiidae	Tarrasiidae "n. gen."⁴, Apholidotos ossuosus⁴, Paratarrasius hibbardi n. gen. n. sp.¹⁵ Tarrasiidae "n. gen."⁴ UMVP 37295 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
Paphosisciformes - Paphosiscidae	Paphosiscus circulocaudus³ Paphosiscus circulocaudus³ Grogan and Lund 2015 ray-finned fish UMVP 7014
Actinopterygii -	Mesopoma becketense⁶ Mesopoma becketense⁶ Lowney 1980 ray-finned fish UMVP 6997
Xiphosura
Xiphosurida - Austrolimulidae	"Paleolimulus longispinus n. sp." = Boeotiaspis longispinus "Paleolimulus longispinus n. sp." = Boeotiaspis longispinus Schram 1979 UM 5559
Xiphosurida - Belinuridae	Euproops sp. Euproops sp. Meek 1867 UM 5558
Cephalopoda
Coleoidea -	Gordoniconus hewitti n. sp.¹⁷, Gordoniconus beargulchensis¹⁷ Gordoniconus hewitti n. sp.¹⁷ Mapes et al. 2010 UMNC 8275 Gordoniconus beargulchensis¹⁷ Mapes et al. 2010 UMNC 5743
Polychaeta
Phyllodocida - Nephtyidae	Astreptoscolex anasillosus²³ 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)
-	Soris labiosus n. gen. n. sp.²³ Soris labiosus n. gen. n. sp.²³ Schram 1979 UM 5548, 5549
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 Ramesses magnus n. gen. n. sp.²³ Schram 1979 UM 5550-5553, 5560, 5877

¹Grogan and Lund 2000; ²Grogan and Lund 2009; ³Grogan and Lund 2015; ⁴Henderson et al. 2023; ⁵Janvier and Lund 1983; ⁶Lowney 1980; ⁷Lund 1977; ⁸Lund 1980; ⁹Lund 1982; ¹⁰Lund 1985; ¹¹Lund 1986; ¹²Lund 1988; ¹³Lund 1989; ¹⁴Lund 2000; ¹⁵Lund and Melton 1982; ¹⁶Lund and Poplin 1997; ¹⁷Mapes et al. 2010; ¹⁸McCoy et al. 2023; ¹⁹Mickle et al. 2009; ²⁰Poplin and Lund 2000; ²¹Poplin and Lund 2002; ²²Sallan and Coates 2010; ²³Schram 1979