La Peña Formation
31 distinct taxa, from 226 fossil occurrences the Paleobiology Database records under this name, spanning 121–113 Mya.
Nuevo León, Chihuahua, Durango · MX
31 taxa · 226 fossils · 121–113 MyaLoading coastlines…
4 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
- Colombiceras
- Caseyella aguilerae
- Dufrenoyia
- Gargasiceras
- Cheloniceras
- Epicheloniceras
- Pseudohaploceras
- Dufrenoyia justinae
- Dufrenoyia scotti
- Colombiceras spathi
- Kazanskyella minima
- Burckhardtites nazasensis
- Huastecoceras trispinosoides
- Burckhardtites
- Cymatoceras
- Hamiticeras
- Huastecoceras
- Hypacanthoplites
- Kazanskyella
- Eodouvilleiceras
- Pseudoaustraliceras
- Toxoceratoides
- Epicheloniceras tschernyschewi
- Heminautilus lallierianus
- Immunitoceras
- Immunitoceras umbilicostatus
- Kazanskyella spathi
- Macroscaphites
- Plicatula
- Quitmanites
- Quitmanites ceratitosus
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.