Campylodoniscus

Campylodoniscus is a genus of titanosaur sauropod dinosaur from the Late Cretaceous Period of what is now Argentina.

Campylodoniscus
Temporal range:
Late Cretaceous, 95 Ma
↓
Skull reconstruction, known material in blue
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Sauropsida
Superorder:
Dinosauria
Order:
Saurischia
Suborder:
†Sauropodomorpha
Infraorder:
†Sauropoda
(unranked):
†Titanosauria?
Genus:
†Campylodoniscus

Haubold & Kuhn, 1961
Type species
†Campylodoniscus ameghinoi
(von Huene, 1929 [originally Campylodon])
Synonyms
  • Campylodon ameghinoi von Huene, 1929 (preoccupied)

The type species was first named and described by Friedrich von Huene in 1929 as Campylodon ameghinoi,[1] the genus name meaning 'bent tooth', from Greek καμπυλος, 'bent' or 'curved' (as of a bow) and ὀδών meaning 'tooth'. The specific name honours Florentino Ameghino. In 1961 H. Haubold and O. Kuhn noted that the name was pre-occupied by a fish and renamed the genus into Campylodoniscus, the diminutive.[2]

The fossil remains of Campylodoniscus were found in the Bajo Barreal Formation and consist of a single jaw bone, the maxilla, holding seven teeth.

Campylodoniscus dates to the Cenomanian (95 Ma). It is sometimes estimated as being around twenty meters in length.

Campylodoniscus is probably a member of the Titanosauria. Some researchers consider it a nomen dubium.

Notes
  1. Huene, F. von, 1929, "Los Saurisquios y Ornitisquios del Cretaceo Argentino", Anales del Museo de La Plata, 3(2): 82-83
  2. Haubold, H. & Kuhn, O., 1961, Lebensbilder und Evolution fossiler Saurier, Amphibien und Reptilien, Wittenberg : Ziemsen
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