Macrocollum itaquii
- Time
- 205.7–227.3 million years ago
- Period
- Unknown
- Known sites
- 2

Summary
Macrocollum is a genus of unaysaurid sauropodomorph dinosaur that lived during the Late Triassic period in what is now Brazil. It is one of the oldest dinosaurs known.
Source: Wikipedia - Macrocollum
Known Sites
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