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. 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[1] 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.[2]

References
  1. 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
  2. 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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