Guemesia

Tur bi mooy: “named after Martín Miguel de Güemes, an Argentine independence hero”1

Lekkoon: YàppDino yuy lekk yàppKretase bu mujj

Guemesia was a small, meat-eating dinosaur that lived in what is now Argentina. It is one of the smallest abelisaurids ever found, about the size of a large dog. Its nearly complete braincase helped scientists learn a lot about this little predator.1 2

Dundoon

am na 84 ba 66 milyoŋ at4

Kretase bu mujj

Fosil yu ñu gis ci

Amblayo Valley, Salta Province, Argentina (Los Blanquitos Formation)1 4

Gaawaay bi gën a kawe

lu tollu ci 47 km/h (29 mph)

Daw, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Guemesia lu tollu ci 47 km/h (29 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

Guemesia is known from only a single, nearly complete braincase, which is very rare for abelisaurids.1 2

It is one of the smallest abelisaurids ever discovered, much smaller than relatives like Carnotaurus.1 2

Unlike many other abelisaurids, Guemesia had no horns or bumps on its skull.2

Its skull roof was thin, and its parietal eminence was low and narrow, at the same level as the sagittal crest.2

Guemesia lived during the Late Cretaceous period, about 72 million years ago.1

It is the first definitive abelisaurid dinosaur found in northwestern Argentina.2

Guemesia belongs to the group Brachyrostra, which includes many other South American abelisaurids.1

Nataalu Guemesia bu ñu def ak IA — Nataal bu IA def la, muy wone ni Guemesia mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci Guemesia

?How big was Guemesia?

About the size of a large dog, making it one of the smallest abelisaurids known.1 3

?Did Guemesia have horns?

No. Unlike many other abelisaurids, Guemesia had no horns or bumps on its skull.1 2

?What did Guemesia eat?

It was a meat-eater, likely feeding on large dinosaurs like titanosaurs, using its powerful head and jaws instead of its tiny arms.3

?When did Guemesia live?

It lived during the Late Cretaceous period, about 72 million years ago, just before the dinosaurs went extinct.1 3

Ngir ñi xam dino lool

Turu xam-xam: Guemesia
Ku ko tudde: Agnolín et al. 20214
Kurél: Dino yuy lekk yàpp
Njaboot / klad: Abelisauridae4
Klasifikasiyoŋ: Theropoda > Ceratosauria > Abelisauridae4
Màggaayu doj yi: 84 ba 66 milyoŋ at (Campanian / Maastrichtian)4
Formasiyoŋi doj: Los Blanquitos4
Réew yi: Arsantin4
Fosil yu ñu gis: 1 ci The Paleobiology Database4
Gisees: Guemesia was named in 2022 by paleontologist Federico Agnolín and colleagues. The fossil, a nearly complete braincase, was found in the Los Blanquitos Formation in Salta Province, Argentina.1 2
Ñu ngi koy werante ba tey: Scientists are not sure exactly how big Guemesia was, because only its braincase has been found. Its small size might mean it was a juvenile or a particularly small species.1 2

Fa xibaar yi jóge

Guemesia (en.wikipedia.org)
First definitive abelisaurid theropod from the Late Cretaceous of Northwestern Argentina: Journal of Vertebrate Paleontology: Vol 41 , No 4 - Get Access (tandfonline.com)
New armless abelisaur dinosaur species discovered in Argentina | Natural History Museum (nhm.ac.uk)
Guemesia in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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