Guemesia

Lebitso le bolela: “named after Martín Miguel de Güemes, an Argentine independence hero”1

E jele: NamaDidinosaure tse jang namaKretase ya Morao

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

E phetse

dilemo tse dimilione tse 84 ho isa ho 66 tse fetileng4

Kretase ya Morao

Difosili di fumanwe ho

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

Lebelo le phahameng ka ho fetisisa

e ka bang 47 km/h (29 mph)

Ho matha, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Guemesia e ka bang 47 km/h (29 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Guemesia se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Guemesia e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

o botsitse

Dipotso tse botswang haholo ka 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

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Guemesia
E rehilwe ke: Agnolín et al. 20214
Sehlopha: Didinosaure tse jang nama
Lelapa / leloko: Abelisauridae4
Tlhophiso: Theropoda > Ceratosauria > Abelisauridae4
Dilemo tsa mafika: dilemo tse dimilione tse 84 ho isa ho 66 (Campanian / Maastrichtian)4
Dibopeho tsa mafika: Los Blanquitos4
Dinaha: Argentina4
Direkoto tsa difosili: 1 ho The Paleobiology Database4
Ho sibollwa: 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
E sa ntse e phehwa kgang: 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

Moo dintlha di tswang teng

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): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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