Amygdalodon

Cabrera 1947

Amygdalodon is an extinct genus of basal sauropod from the Early Jurassic of Argentina. The type species is Amygdalodon patagonicus. Fossils of Amygdalodon have been found in the Toarcian-aged Cerro Carnerero Formation. Very little is known about it, but it is one of the few Jurassic dinosaurs from South America found thus far.

Temporal range

Triassic

Jurassic

Cretaceous

Paleogene

Neogene

252 201 145 66 0 Ma

PBDB occurrences

Group

Dinosaures

Herbivore Ground dwelling, gregarious Terrestrial

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Fig. 1. Type material of Amygdalodon patagonicus Cabrera. 1947. A. B. Tooth, MLP 46-VIII-21-1/13, in lingual (A) and labial (B) view. C. D, E. Cervical vertebra, MLP 46-VIII-21-1/8. in right lateral (C, stereopair), ventral (D) and left lateral (E) view. F, G. Right cervical prezygapophysis, MLP 46-VIII-21-117. in dorsal (F) and medial (G) view. H. Anterior dorsal neural spine, MLP 46-VIII-21-116. in posterior view. I, J, K. Posterior dorsal vertebra, MLP 46-VIII-21-112, lectotype, in right lateral view (I, stereopair), right lateral view, with right wall of neural canal remived (J), and posterior (K) view. L, M. Caudal vertebra, MLP 46-VIII-21-1/3, in left lateral (L) and posterior (M) view. N. Caudal vertebra, MLP 46-VIII-21-1/4, in right lateral view. (O). Proximal fragment of a dorsal rib, MLP 46-VIII-21-1/9, in anterolateral view. Abbreviations: acdl, anterior centrodiapophyseal lamina; cprl, centroprezygapophyseal lamina; g, groove; k, ventral keel; pcdl, posterior centrodiapophyseal lamina; pod, postzygodiapophyseal lamina; poz, postzygapophysis; pp, parapophysis; prdl, prezygodiapophyseal lamina; spol, spinopostzgapophyseal lamina; sprl, spinoprezygapophyseal lamina; tprl, intraprezygapophyseal lamina. Scale bars 1 cm (A, B) and 10 cm (C-0). © O. W. M. Rauhut · CC BY 3.0 · Wikimedia

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Classification

Dinosauria Unranked clade

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Saurischia Unranked clade

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Sauropodomorpha Unranked clade

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Massopoda Unranked clade

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Sauropodiformes Unranked clade

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Sauropoda Unranked clade

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Gravisauria Unranked clade

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Amygdalodon Genus

Fossil sites 1 geolocated sites

Distribution

Top countries

🇦🇷 Argentina

Geological formations

Cerro Carnerero

Temporal distribution

Pliensbachian (192.9–184.2 Ma)

Species (1)

Amygdalodon patagonicus 193 Ma

Bibliography

Original description

A. Cabrera. 1947. Un saurópodo nuevo del Jurásico de Patagonia. Instituto del Museo de la Universidad Nacional de La Plata, Notas del Mueso de La Plata, Paleontología 12(95):1-17

Bibliography (1)

A. Cabrera. 1947. Un saurópodo nuevo del Jurásico de Patagonia. Instituto del Museo de la Universidad Nacional de La Plata, Notas del Mueso de La Plata, Paleontología 12(95):1-17