Guimarotodon
| Guimarotodon | ||||||||||||
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G. leiriensis | ||||||||||||
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Guimarotodon is an extinct mammal of the Upper Jurassic. It was a relatively early member of the also extinct order of Multituberculata. It lived in Portugal during 'the age of the dinosaurs'. (For the technically minded, suborder "Plagiaulacida", family Paulchoffatiidae.)
Genus: Guimarotodon Hahn G, 1969
'Guimarota tooth'
Remarks: "Guimarotodon Hahn 1969 exhibits a more slender Corpus mandibulae than either Paulchoffatia or Meketibolodon. The most conspicuous character of this genus is the morphology of the P3-4 and the M1.", (which are upper teeth). The Corpus mandibulae is the part of the jaw below the tooth row.
"The incisor is relatively little curved and its root is of similar length as that of Meketibolodon and extends to underneath the posterior premolars." (Both quotations from Hahn & Hahn 2000, p.105-106).
Species: Guimarotodon leiriensis Hahn G, 1969
Place: Guimarota
Country: Portugal
Age: Kimmeridgian, Upper Jurassic
Remarks: Three specimens which are lower jaws. The species name refers to the local town of Leiria.
Reference: Hahn (1969), Beiträge zur Fauna der Grube Guimarota Nr. 3. Die Multituberculata. Paleontographica, A, 133, p.1-100.
(Contributions on the fauna of the Guimarota mine no. 3. The Multituberculates.)
Page references: Hahn G & Hahn R (2000), Multituberculates from the Guimarota mine, p.97-107 in Martin T & Krebs B (eds), Guimarota - A Jurassic Ecosystem, Verlag Dr Friedrich Pfeil, München.
Kielan-Jaworowska Z & Hurum JH (2001), Phylogeny and Systematics of multituberculate mammals. Paleontology 44, p.389-429.
(This information has been derived from [1] MESOZOIC MAMMALS; Basal Multituberculata, an internet directory. As that's my webpage, there are no issues of copyright.)