Hoazinavis fossil map
Where fossils of Hoazinavis have been found, shown on the Earth as it looked about 30 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 30 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Prehistoric birds |
|---|---|
| Lived | 29–21 million years ago (Rupelian to Aquitanian) |
| Periods | Paleogene, Neogene |
| Family | Opisthocomidae |
| Named by | Mayr et al. 2011 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | Brazil |
| Rock formations | Tremembé |
About Hoazinavis
Hoazinavis is an extinct genus of bird related to the hoatzin from Late Oligocene and Early Miocene (about 24–22 mya) deposits of Brazil. It was collected in 2008 from the Tremembé Formation of São Paulo, Brazil. It was first named by Gerald Mayr, Herculano Alvarenga and Cécile Mourer-Chauviré in 2011 and the type species is Hoazinavis lacustris.
Text in “About” is quoted from the Wikipedia article Hoazinavis (revision 1275476870), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q4040699.
