Anthill Hotspot (Cretaceous of the United States)

Also known as Case Estuary Site 2

Where: Washaki County, Wyoming (44.1° N, 107.7° W: paleocoordinates 51.0° N, 75.6° W)

• coordinate based on nearby landmark

When: Teapot Sandstone Member (Mesaverde Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

Environment/lithology: estuary or bay; sandstone

Size classes: macrofossils, mesofossils

Primary reference: G. R. Case. 1987. A new selachian fauna from the late Campanian of Wyoming (Teapot Sandstone Member, Mesaverde Formation, Big Horn Basin). Palaeontographica Abteilung A 197(Lfg. 1-3):1-37 [J. Kriwet/W. Glaeser/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 70269: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 20.03.2007, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Hybodontidae
"Hybodus montanensis" = Meristodonoides montanensis, Hybodus wyomingensis n. sp.
"Hybodus montanensis" = Meristodonoides montanensis Case 1978 elasmobranch
Hybodus wyomingensis n. sp. elasmobranch
 Hybodontiformes - Lonchidiidae
"Lissodus griffisi n. sp." = Lonchidion griffisi
"Lissodus griffisi n. sp." = Lonchidion griffisi Case 1987 elasmobranch
 Synechodontiformes - Palaeospinacidae
Synechodus turneri n. sp. Case 1987 elasmobranch
 Squaliformes - Squalidae
Centrophoroides worlandensis n. sp. dogfish shark
 Rajiformes -
Protoplatyrhina renae Case 1978 guitarfish
 Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876 guitarfish
Rhinobatos casieri Herman 1977 guitarfish
 Rajiformes - Ptychotrygonidae
 Rajiformes - Sclerorhynchidae
Ischyrhiza avonicola Estes 1964 ray
Ischyrhiza mira Leidy 1856 ray
 Carcharhiniformes - Triakidae
Archaeotriakis rochelleae Case 1978 hound shark
 Orectolobiformes - Brachaeluridae
Brachaelurus bighornensis n. sp. carpet shark
 Orectolobiformes - Orectolobidae
Cretorectolobus olsoni Case 1978 wobbegong
 Lamniformes - Odontaspididae
Hypotodus grandis Case 1978 sand tiger shark
Odontaspis cheathami n. sp. sand tiger shark
Odontaspis steineri n. sp. sand tiger shark
Pseudodontaspis herbsti n. gen. n. sp. sand tiger shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus Roemer 1852 goblin shark
 Lamniformes - Archaeolamnidae
"Plicatolamna arcuata" = Archaeolamna kopingensis
"Plicatolamna arcuata" = Archaeolamna kopingensis Davis 1890 mackerel shark
Mammalia
 Multituberculata - Cimolomyidae
Cimolomys clarki Sahni 1972 multituberculate
 Theriamorpha - Zhelestidae
"Paranyctoides megakeros" = Alostera saskatchewanensis
"Paranyctoides megakeros" = Alostera saskatchewanensis Fox 1989 eutherian
described as specimen AMNH 109469, but this specimen elsewhere is not listed as present at this locality, whereas a second specimen, AMNH 109468 is; the latter is nowhere described; I assume a lapsus has occurred
 Theriamorpha - Alphadontidae
Alphadon sahnii, "Alphadon russelli" = Turgidodon russelli
Alphadon sahnii Lillegraven and McKenna 1986 metatherian
"Alphadon russelli" = Turgidodon russelli Fox 1979 metatherian