Río del Peñón Formation
33 distinct taxa, from 55 fossil occurrences the Paleobiology Database records under this name, spanning 323–307 Mya.
La Rioja · AR
33 taxa · 55 fossils · 323–307 MyaMembers recorded: Lower, Middle.
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1 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
- Costatumulus
- Orbiculoidea
- Septosyringothyris jaguelensis
- Chonetidina
- Dyschrestia
- Phestia
- Productoidea
- Spiriferellina
- Streptorhynchus
- Strophomenata
- Tivertonia jachalensis
- Trigonotreta
- Acanthopecten jaguelensis
- Aviculopecten
- Barrealispira tupensis
- Crinoidea
- Cymatospira montfortianus
- Edmondia
- Kochiproductus riojanus
- Leptodesma (Leptodesma) potens
- Neochonetes
- Neochonetes pegnonensis
- Nuculavus levatiformis
- Ostracoda
- Palaeolima
- Parallelodontinae
- Pericospira riojanensis
- Ptychopteria
- Rhynchopora
- Schizodus
- Spiriferinida
- Streblopteria
- Wilkingia
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.