| Jaklapallisaurus | |
|---|---|
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Unaysauridae |
| Genus: | †Jaklapallisaurus Novaset al.2011 |
| Species: | †J. asymmetricus |
| Binomial name | |
| †Jaklapallisaurus asymmetricus Novaset al. 2011 | |
Jaklapallisaurus is agenus ofunaysauridsauropodomorphdinosaur. It lived during theLate Triassicperiod (lateNorian to earliestRhaetian) in what is nowTelangana, centralIndia.The genus ismonotypic, only including the speciesJaklapallisaurus asymmetricus.
TheJaklapallisaurusholotype specimen,ISI R274, consists ofpostcranial material which was collected from theUpper Maleri Formation (late Norian–earliest Rhaetian) of the Pranhita–Godavari Basin. The specimen includes a probable anterior dorsal vertebra, an anterior caudal vertebra, and right distal end of femur, tibia, astragalus, metatarsals I IV, and pedal phalanges I-1 and II-1. It was first named byFernando E. Novas, Martin D. Ezcurra,Sankar Chatterjee and Tharavat S. Kutty in2011. Thetype species isJaklapallisaurus asymmetrica. ISI R279, a partially complete rightfemur which was collected from theLower Dharmaram Formation (latest Norian–Rhaetian) was originally referred toJaklapallisaurus.[1] However, later research proved that the referral is based on weak grounds, and the presence of the species in that stratigraphic unit should be based on a more taxonomically informative specimen.[2]
Thegeneric name is derived from the Indian town ofJaklapalli which is close to the type locality. Thespecific name refers to the highly asymmetrical astragalus of this species in distal view.
In 2023, the ending of the Latinized specific epithet was changed from the female "asymmetrica" to the masculine "asymmetricus" because the ending of the Latinized genusJakalapallisaurus is masculine. This modification is based on the Article 34 of theInternational Code of Zoological Nomenclature.[2] TheJaklapallisaurus fossil material was found along with theguaibasaurid sauropodomorphNambalia and two basaldinosauriforms.[2]
In their 2023 description of the osteology ofJaklapallisaurus, Ezcurraet al. performed aphylogenetic analysis ofbagualosaurians, recovering it as thesister taxon toMacrocollum, in a clade also containingUnaysaurus, calledUnaysauridae. The results of their analysis are shown in the cladogram below:[2]
