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Temporal range: Late Permian, Changhsingian
Millerosaurus BACKGROUND.JPG
Reconstruction of Millerosaurus lying on a stone.
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Parareptilia
Order: Millerosauria
Family: Millerettidae
Genus: Millerosaurus
Broom, 1948
  • M. ornatus Broom, 1948 (type)
  • "M." nuffieldi Watson, 1957

Millerosaurus is an extinct genus of millerettid parareptile from the Late Permian (Changhsingian stage) of South Africa.[1]It was a small animal which reached a length of 30 cm.[2] Unlike many other parareptiles, it had holes (fenestrae) behind the eyesockets in the skull. It had a slabsided body, a long tail, and a narrow but triangular skull (about 2 inches long) with large eyes, and is thought to have been insectivorous.[3][4]


  1. ^ Marcello Ruta; Juan C. Cisneros; Torsten Liebrect; Linda A. Tsuji; Johannes Muller (2011). "Amniotes through major biological crises: faunal turnover among Parareptiles and the end-Permian mass extinction". Palaeontology. 54 (5): 1117–1137. doi:10.1111/j.1475-4983.2011.01051.x. 
  2. ^ Michael J. Benton, Vertebrate palaeontology : Volume 13, Wiley-Blackwell, 2005, 3e éd., 455 p.
  3. ^ See the book Vertebrate Paleontology by Michael J. Benton, the third edition, side 115.
  4. ^ University of Bristol.