Rynkonzaur

Rynkonzaur
Rinconsaurus caudamirus
Calvo & Riga, 2003
Okres istnienia: 93–83 mln lat temu
Systematyka
Domena

eukarionty

Królestwo

zwierzęta

Typ

strunowce

Podtyp

kręgowce

Gromada

zauropsydy

Podgromada

diapsydy

Nadrząd

dinozaury

Rząd

dinozaury gadziomiedniczne

Podrząd

zauropodomorfy

Infrarząd

zauropody

(bez rangi)Titanosauria
Rodzina

Titanosauridae

Rodzaj

rynkonzaur

Gatunek

Rinconsaurus caudamirus

Rynkonzaur (Rinconsaurus caudamirus) – zauropod z rodziny tytanozaurów (Titanosauridae).

Żył w epoce późnej kredy (ok. 93-83 mln lat temu) na terenach Ameryki Północnej. Długość ciała ok. 11 m, wysokość ok. 2,5 m. Jego szczątki znaleziono w Argentynie. Analizy kladystyczne wskazują na bliskie pokrewieństwo z Muyelensaurus, dla tych dwóch zwierząt utworzono klad Rinconsauria.

Media użyte na tej stronie

Spinosaurus BW2.png
Autor: , Licencja: CC BY 2.5
Spinosaurus aegyptiacus, a spinosaurid from the Middle Cretaceous of Egypt
Rinconsaurus test 2.jpg
(c) I, Steveoc 86, CC-BY-SA-3.0

A restoration of Rinconsaurus compared to a human ,

• Based proportionally on fossil elements and skeletal reconstruction featured in the Rinconsaurus description,[1] with missing parts based on other titanosaur reconstructions. The remains of Rinconsaurus represent two adults and a juvenile all of which are incomplete; some of the proportions shown here, such as the neck, limb lengths, and skull shape are not certain.
Osteroderms are not yet known in Rinconsaurus. The osteoderms shown here are based loosely on Mendozasaurus.[2] Osteoderms are known from at least 10 titanosaur genera spread across the family tree but it's not clear if all titanosaurs had them.[3] Titanosaur osteoderms are rare and their layout and position on the body are not certain. [4]
• The colours and patterns, as with the majority of reconstructions of prehistoric creatures, are speculative.
• Human silhouette approximately 180 cm tall.


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References

  1. Coria, Jorge; B.J.G. Riga (2003). "Rinconsaurus caudamirus gen. et sp nov., a new titanosaurid (Dinosauria, Sauropoda) from the Late Cretaceous of Patagonia, Argentina". Revista Geologica de Chile 30 (2): 333–353. ISSN 0716-0208. Retrieved on 2007-05-21.
  2. González Riga B (2003) A new titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Mendoza, Argentina. Ameghiniana 40 (2)
  3. Carrano, M.T. and D’Emic, M.D. 2015 'Osteoderms of the titanosaur sauropod dinosaur Alamosaurus sanjuanensis Gilmore, 1922'. Journal of Vertebrate Paleontology.
  4. Vidal D, Ortega F, Sanz JL (2014) Titanosaur Osteoderms from the Upper Cretaceous of Lo Hueco (Spain) and Their Implications on the Armor of Laurasian Titanosaurs. PLoS ONE 9(8): e102488. doi:10.1371/journal.pone.0102488
Barapasaurus1.jpg
Autor: Ghedo, Licencja: CC BY 2.5
Barapasaurus tagorei, an early sauropod