Petrolia Formation
24 distinct taxa, from 30 fossil occurrences the Paleobiology Database records under this name, spanning 290–283 Mya.
Texas · US
24 taxa · 30 fossils · 290–283 MyaFiled under the Wichita Group.
Macrostrat places this rock in the Wichita Group, and dates it 299–274 Ma. Macrostrat’s own record
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3 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
- Ophiacodon retroversus
- Trimerorhachis insignis
- Ophiacodon uniformis
- Protocaptorhinus pricei
- Actinohymen russelli
- Archeria
- Archeria crassidisca
- Blattodea
- Captorhinus laticeps
- Cardiocephalus sternbergi
- Ctenorhachis jacksoni
- Diadectes
- Diadectes sideropelicus
- Dimetrodon booneorum
- Dimetrodon milleri
- Edaphosaurus
- Edaphosaurus boanerges
- Eryops
- Eryops megacephalus
- Ideliopsis ovalis
- Phonerpeton whitei
- Platyhystrix
- Tersomius texensis
- Zatrachys serratus
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.