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Re: The timing of stegosaur extinction



David Marjanovic wrote-

> NA: Late Jurassic only, including the last stage of that epoch.

Early Cretaceous, Sand Wells Formation (USA), ?Stegosauridae indet..

> SA: Early Cretaceous only. (The one fossil is still unnamed.)

Barremian, La Amarga Formation (Argentina), Stegosauria indet..

> Africa: Late Jurassic only.

Berriasian-Valanginian, Upper Kirkwood Formation (South Africa), Paranthodon
africanus.

> Europe: Middle Jurassic to Early Cretaceous.

Early Cretaceous, Potton Sands (England), Craterosaurus pottonensis.
Hauterivian-Aptian, El Collado Formation (Spain), Dacentrurus armatus.
Late Hauterivian-Early Barremian, Castellar Formation (Spain), Stegosauria
indet..
Barremian, Wessex Formation (England), ?Stegosauria indet..

> Asia: Middle Jurassic to Early Cretaceous.

Valanginian-Albian, Tugulu Group (China), Wuerhosaurus homheni.
Valanginian-Albian, Qaganur Formation (China), Stegosauria indet..
Early Cretaceous, Ejinhoro Formation (China), Wuerhosaurus ordosensis.
Aptian, Kitadani Formation (Japan), Stegosauridae indet..

India

Maastrichtian, Kallenkurichi Formation, Stegosauridae indet..

Australia

Berriasian-Hauterivian, Broome Sandstone (Western Australia), ?Stegosauria
tracks.

Mickey Mortimer
Undergraduate, Earth and Space Sciences
University of Washington
The Theropod Database - http://students.washington.edu/eoraptor/Home.html