Irati Formation
27 distinct taxa, from 68 fossil occurrences the Paleobiology Database records under this name, spanning 290–260 Mya.
São Paulo, Rio Grande do Sul, Paraná, Goiás · BR
27 taxa · 68 fossils · 290–260 MyaFiled under the Passa Dois Group. Members recorded: Assistencia, Assistência, Taquaral.
Macrostrat places this rock in the Passa Dois Group, and dates it 290–284 Ma. Macrostrat’s own record
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22 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Mesosaurus tenuidens
- Stereosternum tumidum
- Mesosauridae
- Brazilosaurus sanpauloensis
- Glossopteris
- Pygocephalomorpha
- Abietopitys
- Asiachorista beckermigdisovae
- Atlanticoxylon ibiratinum
- Fulgoringruo kukalovae
- Ginkgophytopsis
- Gondvanoptilon brasiliense
- Gondwanaptera capsii
- Itapyrodus punctatus
- Liocaris huenei
- Mesosauria
- Orodus ipeunaensis
- Pecopteris
- Permipsythone panfilovi
- Petromantis evansi
- Petromantis rieki
- Pintolla ponomarenkoi
- Prosbole iratiensis
- Prosbolecicada gondwanica
- Protocupoides
- Solenopitys paulistana
- Sphenacanthus sanpauloensis
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.