Top of the Hill (Cretaceous of the United States)

Also known as Case Estuary Site 3

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 70453: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 23.03.2007, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Plagiostomi - Squalidae
Centrophoroides worlandensis n. sp. dogfish shark
 Hybodontiformes - Hybodontidae
Hybodus montanensis Case 1978 elasmobranch
 Hybodontiformes - Lonchidiidae
"Lissodus griffisi n. sp." = Lonchidion griffisi
"Lissodus griffisi n. sp." = Lonchidion griffisi Case 1987 elasmobranch
 Rajiformes -
Protoplatyrhina renae Case 1978 guitarfish
 Sclerorhynchiformes - Sclerorhynchidae
Ischyrhiza mira Leidy 1856 elasmobranch
Ischyrhiza avonicola Estes 1964 elasmobranch
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus Cope 1876 whiptail stingray
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus Roemer 1852 goblin shark
 Lamniformes - Cretoxyrhinidae
Plicatolamna arcuata Woodward 1894 mackerel shark
 Lamniformes - Odontaspididae
Odontaspis cheathami n. sp. sand tiger shark
Odontaspis steineri n. sp. sand tiger shark
Hypotodus grandis Case 1978 sand tiger shark
 Orectolobiformes -
Brachaelurus bighornensis n. sp. carpet shark
Cretorectolobus olsoni Case 1978 carpet shark
 Synechodontiformes - Palaeospinacidae
Synechodus turneri n. sp. Case 1987 elasmobranch
 Didelphimorphia - Alphadontidae
Alphadon sahnii, "Alphadon russelli" = Turgidodon russelli
Alphadon sahnii Lillegraven and McKenna 1986 marsupial
"Alphadon russelli" = Turgidodon russelli Fox 1979 marsupial
 Multituberculata - Cimolomyidae
Cimolomys clarki Sahni 1972 multituberculate