Also known as UCMP V-99369, UWBM C1115, MOR HC-293; UCMP V99369
Where: Garfield County, Montana (47.6° N, 106.9° W: paleocoordinates 54.4° N, 80.0° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Lower Member (Hell Creek Formation), Lancian (70.6 - 66.0 Ma)
• within lower three-quarters of Hell Creek Formation from approximately 76.4 to 19.5 m below the Hell Creek–Tullock formational contact
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; silty sandstone
Size classes: macrofossils, mesofossils
Reposited in the UCMP, UWBM
Primary reference: D. G. DeMar, Jr. 2013. A new fossil salamander (Caudata, Proteidae) from the Upper Cretaceous (Maastrichtian) Hell Creek Formation, Montana, U.S.A. Journal of Vertebrate Paleontology 33(3):588-598 [P. Mannion/P. Mannion/P. Holroyd]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 144502: authorized by Philip Mannion, entered by Philip Mannion on 08.05.2013, edited by Patricia Holroyd and Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
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Chondrichthyes | |
Myledaphus pustulosus n. sp.2
Myledaphus pustulosus n. sp.2 Cook et al. 2014 guitarfish UCMP 197869; UCMP 191578, 107 complete and fragmented teeth and one denticle; UCMP 191870, one complete tooth; UCMP 191872, one complete tooth; UCMP 191581, 24 denticles
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Cristomylus leptostemma n. sp.5
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Restesia americana2 Estes 1964 wobbegong UCMP 191578, two complete teeth; UCMP 191581, five complete teeth; UCMP 191874, 191875
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Actinopteri | |
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? Wilsonichthys sp.1 Murray et al. 2016
Wilsonichthys aridinsulensis1 Murray et al. 2016 | |
Hiodontidae "indet. small morph"1 UCMP 191590/, three centra of small size, including a first abdominal centrum
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Notogoneus sp.1 Cope 1885 | |
"Otophysi "indet. U-3/BvD"" = Otophysa1
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Estesesox sp.1 Wilson et al. 1992 UCMP 198885, three dentaries of intermediate size; UCMP 191591, centra type NvD and NvE
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"Acanthomorpha "indet. HC-1"" = Acanthomorphata1, "Acanthomorpha "indet. HC-2"" = Acanthomorphata1, "Acanthomorpha "indet. HC-3"" = Acanthomorphata1, "Acanthomorpha "indet. HC-4"" = Acanthomorphata1
"Acanthomorpha "indet. HC-1"" = Acanthomorphata1 Rosen 1973
"Acanthomorpha "indet. HC-4"" = Acanthomorphata1 Rosen 1973 | |
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Reptilia | |
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Amphibia | |
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Paranecturus garbanii DeMar 2013 mudpuppy UCMP specimens (atlantes); author does not state which specimens come from which locality
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