MV 5410, Bear Gulch (Carboniferous of the United States)

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: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116655: 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
Osteichthyes
  -
Lineagruan sp.3, Lineagruan judithi8
Lineagruan sp.3 Mickle et al. 2009
UMVP 6136
Lineagruan judithi8 Mickle et al. 2009
MV 6927
 Palaeonisciformes - Rhadinichthyidae
Wendyichthys dicksoni n. gen.7
Wendyichthys dicksoni n. gen.7 Lund and Poplin 1997
MV 2806, 2911, 2931, 2972, 8606
 Fubarichthyiformes - Fubarichthyidae
Fubarichthys sp.3, Fubarichthys "rio"3, Yogoniscus sp.3
Fubarichthys sp.3 Lowney 1980
UMVP 37396
Fubarichthys "rio"3 Lowney 1980
UMVP 10193, and others
Yogoniscus sp.3 Lowney 1980
UMVP 3915
Actinopteri
  - Tarrasiidae
Paratarrasius hibbardi n. gen.6
Paratarrasius hibbardi n. gen.6 Lund and Melton 1982
MV 5558
Osteichthyes
  - Aesopichthyidae
Aesopichthys erinaceus9
Aesopichthys erinaceus9 Poplin and Lund 2000
MV 7792
Chondrichthyes
 Iniopterygia - Iniopterygidae
Papilionichthys stahlae n. gen. n. sp.2
Papilionichthys stahlae n. gen. n. sp.2 Grogan and Lund 2009 cartilaginous fish
MV 6170
 Symmoriiformes - Falcatidae
Falcatus falcatus5
Falcatus falcatus5 St. John and Worthen 1883 elasmobranch
MV 6157
 Petalodontiformes - Petalodontidae
Polyrhizodus digitatus4
Polyrhizodus digitatus4 Leidy 1857 chimaera
MV 6167
 Chondrenchelyiformes - Chondrenchelyidae
Harpagofututor volsellorhinus
Harpagofututor volsellorhinus Lund 1982 chimaera
MV 5369, 5377
 Debeeriiformes - Debeeriidae
Debeerius ellefseni1
Debeerius ellefseni1 Grogan and Lund 2000 chimaera
MV 6166
1Grogan and Lund 2000; 2Grogan and Lund 2009; 3Henderson et al. 2023; 4Lund 1983; 5Lund 1985; 6Lund and Melton 1982; 7Lund and Poplin 1997; 8Mickle et al. 2009; 9Poplin and Lund 2000