ALOCODON
a dubious ornithischian dinosaur from the Late Jurassic of Portugal.
Pronunciation: a-LOK-o-don
Meaning: Furrowed tooth
Author/s: Thulborn (
1973)
Synonyms: None known
First Discovery: Portugal
Discovery Chart Position: #229
Alocodon kuehnei
(Kühne's Furrowed Tooth)Etymology
Alocodon is derived from the Greek "alox" (furrow) and "odon" (tooth), named for the vertical "furrows" (grooves) on its teeth.
The
species epithet,
kuehnei, honours German palaeontologist Georg Kühne.
Discovery
The first remains of
Alocodon were found in the Cabaços Formation near Pedrógão village, Provinca do Beira Litoral, Portugal.
The
holotype (LPFU P X 2, previously catalogued as PFUB P X 1 when housed at the Free University of Berlin) is a single tooth with an enlarged central denticle. Another 157 isolated teeth from Portugal have since been assigned to
Alocodon, along with isolated teeth from the Forest Marble and Chipping Norton Formations of England, based on similarity.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Jurassic
Stage: Oxfordian
Age range: 162-155 mya
Stats:
Est. max. length: 2 meters
Est. max. hip height: ?
Est. max. weight: ?
Diet: Herbivore
References
• Thulborn RA (1973) Contribuição para o conchecimento da Fauna do Kimeridgiano da Mina de Lignito Guimarota (Leiria, Portugal) III Parte. VI: "Teeth of ornithischian dinosaurs from the Upper Jurassic of Portugal with description of a hysilophodontid (
Phyllodon henkeli gen. et sp. nov.) from the Guimarota lignite".
Mem. Serv. Geol. Port. (N. S.), 22: 89-134.
• Galton PM (1978) "
Fabrosauridae, the basal family of ornithischian dinosaurs (Reptilia: Ornithopoda)".
Paläontologische Zeitschrift, 52(138).
• Sereno PC (1991)
Lesothosaurus, 'fabrosaurids,' and the early evolution of Ornithischia".
Journal of Vertebrate Paleontology, 11(2): 168-197.
• Weishampel DB, Barrett PM, Coria RA, Le Loeuff J, Xu X, Zhao X, Sahni A, Gomani EMP and Noto CR (2004) "Dinosaur Distribution". Page 517–606 in Weishampel, Dodson and Osmólska (eds.) "
The Dinosauria: Second Edition".
• Mateus O and Milàn J (2009) "A diverse Upper Jurassic dinosaur ichnofauna from central-west Portugal".
Lethaia, 43(2): 1–13. DOI: 10.1111/j.1502-3931.2009.00190.x.
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"
ALOCODON :: from DinoChecker's dinosaur archive".
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