Theropoda


Tyrannosaurus rex by Todd Marshall (2004)

CHARACTERISTICS


Cladogram provided by T.Holtz Jr. 2004 (http://www.geol.umd.edu/~tholtz/G104/10422ther.htm)

EUTHEROPODA (3)- "True unquestioned theropods"

CHARACTERISTICS

Coelophysis bauri by Todd Marshall (2004)

(1) COELOPHYSOIDEA - These animals were common during the Late Triassic and Early Jurassic periods, but were replaced by more advanced theropods during the Late Jurassic. Many had ornamental head crests.


Dilophosaurus by P. Olsen (2004) based on Paul (1988)

(2) CERATOSAURIA

(3) TETANURAE "stiff tails" (2)

These theropods were more advanced than the ceratosaurs, and coelophysoids.


Allosaurus fragilis by Todd Marshall (2004)

(1) SPINOSAUROIDEA (2)


Megalosaurus by Todd Marshall (2004)


Spinosaurus by P. Olsen, based on Baryonyx by Paul (1988)

(2) AVETHEROPODA (2)

(1) CARNOSAURS

Allosaurus maximus by Todd Marshall (2004)

(2) COELUROSAURIA

NEXT : COELUROSAURIA



Author: Emma Schachner
Last updated: 13 November 2004
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Websites produced by students on the MSc Palaeobiology programme in the Department of Earth Sciences at the University of Bristol for academic year 2003-4