Guaibasauridae
family · Bonaparte et al. 1999 · accepted · extinct
5 descendant taxa · 5 fossil sites · 2 formations · 3 countries
Lived when
Triassic
237–205.7 million years ago
Found where
3 countries
2 rock formations
Fossil record
5 sites
4 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 31 million years, from 237 to 205.7 million years ago.
- The youngest known fossil is around 205.7 million years old — that is roughly 686 times further back than the whole of human history.
- Guaibasauridae was named in 1999 (Bonaparte et al. 1999) — 27 years ago.
- Fossils have been recorded in 3 countries and 2 named rock formations.
- 4 individual specimens are catalogued in museum collections.
- This group contains 5 named taxa, including 2 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).