Metriacanthosaurus

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Metriacanthosaurus
Temporal range:
Ma
Ilium of OUM J.12144 (the holotype, with the known remains in grey)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Family: Metriacanthosauridae
Subfamily:
Metriacanthosaurinae
Genus: Metriacanthosaurus
Walker, 1964
Type species
Megalosaurus parkeri
von Huene, 1923
Species
  • Metriacanthosaurus parkeri (von Huene, 1923)
Synonyms

Metriacanthosaurus (meaning "moderately-spined lizard") is a

period, about 160 million years ago (lower Oxfordian
).

History of discovery

In 1923, German paleontologist

In 1932, however, von Huene concluded it was a species of Altispinax, A. parkeri.[4]

In 1964, scientist

vertebrae, which are taller than typical carnosaurs, like Allosaurus, but lower than other high-spined dinosaurs like Acrocanthosaurus
.

Description

Life restoration

Metriacanthosaurus was a medium-sized theropod with a femur length of 80 cm (31 in).

Classification

Originally named as a species of Megalosaurus in

Below is a simplified cladogram of Tetanurae by Matthew Carrano et al. (2012).[9]

Metriacanthosauridae

Yangchuanosaurus zigongensis

CV 00214

Yangchuanosaurus shangyouensis

Metriacanthosaurinae

Shidaisaurus

Metriacanthosaurus

References

  1. ^ J. Phillips. (1871). Geology of Oxford and the Valley of the Thames. Clarendon Press, Oxford
  2. .
  3. ^ .
  4. ^ von Huene, F. (1932). "Die fossile Reptil-Ordnung Saurischia, ihre Entwicklung und Geschichte". Monographien zur Geologie und Paläontologie. 1 (4): 361.
  5. .
  6. ^ Paul, Gregory S. (1988). Predatory Dinosaurs of the World. New York: Simon & Schuster.
  7. ^ Holtz, Thomas R. Jr (2012). "Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages" (PDF).
  8. S2CID 54680840
    .
  9. ^ .