Indian Rock Observatory (Cretaceous of the United States)

Also known as Case Estuary Site 7

Where: Washakie County, Wyoming (43.7° N, 107.7° W: paleocoordinates 50.6° N, 75.8° 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 70489: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 25.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Lonchidiidae
"Lissodus griffisi n. sp." = Lonchidion griffisi
"Lissodus griffisi n. sp." = Lonchidion griffisi Case 1987 elasmobranch
 Hybodontiformes - Hybodontidae
"Hybodus montanensis" = Meristodonoides montanensis
"Hybodus montanensis" = Meristodonoides montanensis Case 1978 elasmobranch
 Lamniformes - Odontaspididae
Hypotodus grandis Case 1978 sand tiger shark
Odontaspis steineri n. sp. sand tiger shark
 Lamniformes - Archaeolamnidae
"Plicatolamna arcuata" = Archaeolamna kopingensis
"Plicatolamna arcuata" = Archaeolamna kopingensis Davis 1890 mackerel shark
 Orectolobiformes - Orectolobidae
Cretorectolobus olsoni Case 1978 wobbegong
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira Leidy 1856 ray
Ischyrhiza avonicola Estes 1964 ray
 Rajiformes -
Protoplatyrhina renae Case 1978 guitarfish
 Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876 guitarfish