Morohasaurus
| Morohasaurus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Clade: | Monstersauria |
| Genus: | †Morohasaurus Ikeda et al., 2021 |
| Type species | |
| †Morohasaurus kamitakiensis Ikeda et al., 2021
| |
Morohasaurus is an extinct genus of cf.
dentary from the Early Cretaceous (?Albian) Ohyamashimo Formation of the Sasayama Group in Tamba City, Hyogo Prefecture, Japan.[1]
The type and only species is Morohasaurus kamitakiensis.
As of 2021, Ikeda et al. place this taxon a dentary with a large U-shaped upper notch and small V-shaped lower notch, posteroventral corner of intramandibular septum with a weakly pointed eminence projecting posteriorly, and unicuspid, curved trenchant teeth with distinct blade-like carinae on their mesial and distal sides without grooves or serrations."[1] If its presumed affinities are correct, Morohasaurus represents the oldest known monstersaurian to date.
References
- ^ S2CID 239230916.
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