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Re: [dinosaur] Tralkasaurus, new abelisaurid from Upper Cretaceous of RÃo Negro Province, Argentina




Ben Creisler
bcreisler@gmail.com

The specific name *cuyi* is fine.

ICZN recommendations on formation of names:

https://www.iczn.org/assets/92273ee2d1/Formation_of_names.pdf

Section 22 for species formed from geographical names...

(b) indicates that a noun in the genitive case can be used, such as romae (of Rome), etc.


In Neo-Latin practice, some names honoring people have ended in -ensis, -anus, etc., which are more often used for geographical names.

On Sun, Dec 1, 2019 at 4:00 AM Tyler Greenfield <tgreenfield999@gmail.com> wrote:
I think the specific name should be cuyensis instead of cuyi, since it is referring to a location and not a person. In the etymology section it says this:
" cuyi, because the only known specimen comes from the El Cuy geographical area at Rio Negro province, Argentina"



On Sat, Nov 30, 2019 at 10:51 PM Ben Creisler <bcreisler@gmail.com> wrote:


Ben Creisler

A new paper:

Tralkasaurus cuyi nov. gen. et sp.
Â
M. A. Cerroni, M. J. Motta, F. L. AgnolÃn, A. M. Aranciaga Rolando, F.B. Egli & F. E. Novas (2019)
A new abelisaurid from the Huincul Formation (Cenomanian-Turonian; Upper Cretaceous) of RÃo Negro province, Argentina.
Journal of South American Earth Sciences: Article 102445 (advance online publication)
doi: https://doi.org/10.1016/j.jsames.2019.102445
https://www.sciencedirect.com/science/article/abs/pii/S0895981119304766


Highlights

We describe a new species of Abelisauride from the Huincul Formation (Cenomanian-Turonian), Rio Negro province, Patagonia, Argentina.
Tralkasaurus cuyi nov. gen. et sp. constitutes a new form of medium-sized abelisaurid.
The phylogenetic analysis resulted in the nesting of Tralkasaurus as a basal abelisaurid.
The new abelisaurid affords new evidence regarding small to medium-sized abelisaurids from Patagonia.


Abstract

The record of abelisaurids in South America, particularly Argentina is relatively abundant. However, abelisaurid diversity is far from being well-known. Huincul Formation has yielded diverse theropod remains, including the abelisaurids Ilokelesia and Skorpiovenator. The aim of the present contribution is to describe a new abelisaurid coming from the Upper Section of the Huincul Formation (Cretaceous; Cenomanian-Turonian) at the Violante Farm fossil site, RÃo Negro province, northern Patagonia, Argentina. The new taxon described in this contribution is represented by an incomplete specimen including well-preserved maxilla and dorsal vertebrae, and distorted pelvic girdle and caudal and sacral vertebrae. Its size, much smaller than large abelisaurids as Abelisaurus and Carnotaurus indicates that the new taxon probably occupied a different ecological niche within the carnivoran guild.

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