Alocodon

Alocodon (a-LOK-o-don; Greek alox and odon meaning 'furrow tooth') is a genus of ornithischian dinosaur from the Middle and Late Jurassic of what is now Portugal and also possibly England.[1][2] It was described in 1975 by Richard Anthony Thulborn. It had small ornithopod-like teeth with vertical grooves. This animal is only known from these teeth, and is usually considered a nomen dubium.

Alocodon
Temporal range: Middle-Late Jurassic, 167–155 Ma
Tooth
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Clade: Neornithischia
Genus: Alocodon
Species:
A. kuehnei
Binomial name
Alocodon kuehnei
(Thulborn, 1975)

The type species is Alocodon kuehnei, the specific epithet honoring the German paleontologist Georg Kühne. The holotype is LPFU P X 2.

Though at first it was considered by Thulborn a member of the Fabrosauridae[3] and by Peter Galton a hypsilophodontid, Paul Sereno (1991) classified A. kuehnei as Ornithischia incertae sedis. Further studies indicate this species as a probable thyreophoran.[4]

References

  1. Listed as "cf. Alocodon sp." in "10.3 Gloucestershire, England; 2. Chipping Norton Formation," in Weishampel, et al. (2004). Page 538.
  2. "10.3 Gloucestershire, England; 2. Chipping Norton Formation," in Weishampel, et al. (2004). Page 538.
  3. Thulborn, R.A. (1975). "Teeth of ornithischian dinosaurs from the Upper Jurassic of Portugal, with description of a hypsilophodontid (Phyllodon henkeli gen. et sp. nov.) from the Guimarota lignite", Contribuição para o conhecimento da Fauna do Kimerridgiano da Mina de Lignito Guimarota (Leiria, Portugal), Serviços Geológicos de Portugal, Memória (Nova Série) 22: 89-134
  4. José Ignacio Ruiz-Omeñaca, 1999, "Dinosaurios hipsilofodóntidos (Ornithischia: Ornithopoda) en la Península Ibérica", Actas de las I Jornadas Internacionales sobre Paleontología de Dinosaurios y su Entorno: Salas de los Infantes (Burgos, España), septiembre de 1999, p 175-266


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