Alajuela Formation
71 distinct taxa, from 76 fossil occurrences the Paleobiology Database records under this name, spanning 12–7.2 Mya.
Recorded under country code PA
71 taxa · 76 fossils · 12–7.2 MyaLoading coastlines…
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
- Annonoxylon
- Anomia
- Architectonicidae
- Arcidae
- Aves
- Bairdemys
- Callianassidae
- Calyptraea
- Carcharhinus
- Carnivora
- Cerithiidae
- Cheloniidae
- Chione
- Chionopsis
- Clypeaster
- Coleoidea
- Conus
- Corbulidae
- Cormohipparion
- Crassostrea
- Cymatophos
- Cypraeidae
- Dinohippus
- Dugongidae
- Ensis
- Euvola
- Fabaceae
- Gastrochaenidae
- Gomphotherium
- Haminoeidae
- Hemipristis serra
- Hippoporidra
- Lirophora
- Macrocallista
- Malea
- Malvaceae
- Marginellidae
- Melongena
- Myliobatis
- Naticidae
The 40 most often recorded, of 71.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.