Macrocollum

Zita rinoreva: “long neck”1

Raidya: MiriwoMadhino emitsipa mirefuTriassic Yekupedzisira

Macrocollum was an early long-necked dinosaur that lived about 225 million years ago in what is now Brazil. It was one of the first dinosaurs to have a really long neck, which helped it reach high plants to eat. Scientists found several complete skeletons together, showing that these dinosaurs may have lived in groups.1 2

Raivapo

makore mamiriyoni 227 kusvika 206 apfuura6

Triassic Yekupedzisira

Mafosiri akawanikwa:

Wachholz site, Agudo, Rio Grande do Sul, Brazil1 2

Kumhanya kwepamusoro

kunenge 38 km/h (24 mph)

Kumhanya, fungidziro

Rairarama rini?

Triassic

Jurassic

Cretaceous

makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raimhanya zvakadii?

Munhu achifamba kunenge 5 km/h (3 mph)

Mwana ari pabhasikoro kunenge 12 km/h (7 mph)

Macrocollum kunenge 38 km/h (24 mph)

Bhiza richimhanya kunenge 65 km/h (40 mph)

Dindingwe kunenge 100 km/h (62 mph)

zvinhu zvinonakidza

Zvinonakidza

Macrocollum is the oldest-known sauropodomorph with an elongated neck, which was twice as long as that of earlier relatives like Buriolestes.1 2

Its femur (thigh bone) was longer than its shin bone, a change from earlier dinosaurs that had longer shins for running.1 2

Macrocollum had a relatively small skull, only about 45% of its femur length, compared to 85% in the earlier Buriolestes.1 2

The fossils of Macrocollum were found clustered together, which is the oldest evidence of group living among sauropodomorph dinosaurs.1 2

Macrocollum lived during the early Norian stage of the Late Triassic, about 225 million years ago.1 2

Its name means 'long neck' in Greek and Latin, referring to its most distinctive feature.1

Macrocollum belonged to a group called Unaysauridae, which includes only dinosaurs from the southern supercontinent Gondwana.6 1

Mufananidzo wakagadzirwa neAI: Macrocollum — Mufananidzo wakagadzirwa neAI unoratidza kuti Macrocollum ringangodai raitaridzika sei, wakagadzirwa nekombiyuta kubva pane zvinozivikanwa nemasayendisiti. Ifungidziro chete: mhuka chaiyo ingangodai yaitaridzika zvakasiyana, uye hapana anoziva mavara ayo chaiwo.

wakabvunza

Mibvunzo inonyanya kubvunzwa nezve Macrocollum

?How big was Macrocollum?

Macrocollum was relatively small, with a femur (thigh bone) over 335 mm long. It walked on two legs and was about the size of a large dog.3 4

?What did Macrocollum eat?

Macrocollum was an omnivore or herbivore, eating plants and maybe small animals. Its teeth had coarse serrations and expanded crowns, perfect for chewing vegetation.3 5

?Did Macrocollum live in groups?

Yes, scientists found three complete Macrocollum skeletons together, which is the oldest evidence of group living among long-necked dinosaurs. They may have traveled in herds.3 4

?When did Macrocollum live?

Macrocollum lived about 225 million years ago, during the Norian age of the Late Triassic period. That's fewer than 10 million years after the earliest dinosaurs appeared.4 3

Zvevanyanzvi vemadhino

Zita resainzi: Macrocollum
Akaripa zita:: Müller et al. 20186
Boka: Madhino emitsipa mirefu
Mhuri / boka: Unaysauridae6
Kurongwa kwemhuka: Sauropodomorpha6
Zera rematombo: makore mamiriyoni 227 kusvika 206 (Norian)6
Mapoka ematombo: Caturrita6
Nyika: Brazil6
Zvinyorwa zvemafosiri: 2 mu The Paleobiology Database6
Kuwanikwa: Macrocollum was named in 2018 by Rodrigo T. Müller, Max C. Langer, and Sérgio Dias-da-Silva. The species name itaquii honors José Jerundino Machado Itaqui, who helped create the paleontology center where the fossils are kept.1 2
Zvichiri kupokanwa: Scientists are still debating exactly how Macrocollum and its relatives are related to other early sauropodomorphs, and whether its long neck evolved primarily for reaching high plants or for other reasons.1 2

Kunobva chokwadi

An exceptionally preserved association of complete dinosaur skeletons reveals the oldest long-necked sauropodomorphs (pmc.ncbi.nlm.nih.gov)
royalsocietypublishing.org (royalsocietypublishing.org)
An exceptionally preserved association of complete dinosaur skeletons reveals the oldest long-necked sauropodomorphs (royalsocietypublishing.org)
Macrocollum (en.wikipedia.org)
An exceptionally preserved association of complete dinosaur skeletons reveals the oldest long-necked sauropodomorphs (pubmed.ncbi.nlm.nih.gov)
Macrocollum in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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