Macrocollum was a herbivore. It lived in the Late Triassic period and inhabited South America. Its fossils have been found in places such as Rio Grande do Sul (Brazil).

All the Macrocollum illustrations below were collected from the internet. Enjoy and explore:

Macrocollum was described by the following scientific paper(s):
  • R. T. Müller, A. A. S. da Rosa, and L. R. da Silva, A. S. S. Aires, C. P. Pacheco, A. E. B. Pavanatto, S. Dias-da-Silva. 2015. Wachholz, a new exquisite dinosaur-bearing fossiliferous site from the Upper Triassic of southern Brazil. Journal of South American Earth Sciences 61:120-128
  • F. Prestes de Bem and R. T. Müller. 2023. First record of Macrocollum itaquii (Dinosauria: Sauropodomorpha) outside the type locality and its biostratigraphic significance. Historical Biology