Mongolosaurus

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Mongolosaurus
Temporal range:
Ma
Drawing of a tooth from M. haplodon
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: †Sauropodomorpha
Clade: †Sauropoda
Clade: †Macronaria
Clade: †Somphospondyli
Genus: †Mongolosaurus
Gilmore, 1933
Type species
†Mongolosaurus haplodon
Gilmore, 1933

Mongolosaurus is a

sauropod dinosaur which lived during the Early Cretaceous of China.[1]

Discovery and systematics

In 1928 a team from the American Museum of Natural History, headed by Roy Chapman Andrews, at On Gong Gol near Hukongwulong in Inner Mongolia, in Quarry 714 discovered a sauropod tooth. In 1933 Charles W. Gilmore, based on this fossil, named and described the type species Mongolosaurus haplodon. The generic name refers to Mongolia. The specific name is derived from Greek haploos, "single", and odon, "tooth".[1]

The holotype, AMNH 6710, was found in the Early Cretaceous (Aptian-Albian) On Gong Formation. It consists of teeth, a basioccipital from the back of the skull and parts of the first three cervical vertebrae.

Classification

Mongolosaurus was previously assigned to

Titanosauridae and Euhelopodidae, though recent studies find it to be either a basal titanosaur or a non-titanosaurian somphospondylan.[2][3]

In their 2023 description of the titanosaur

phylogenetic analyses are shown in the cladogram below:[4]

Titanosauria


References

  1. ^ a b Gilmore, C.W. (1933). "Two new dinosaurian reptiles from Mongolia with notes on some fragmentary specimens". American Museum Novitates. 679: 1–20.
  2. doi:10.1080/14772019.2010.527379
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  3. doi:10.1016/j.cretres.2016.09.006
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  4. ISSN 0891-2963
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