St. David Formation
76 distinct taxa, from 164 fossil occurrences the Paleobiology Database records under this name, spanning 4.7–0.2 Mya.
Arizona · US
76 taxa · 164 fossils · 4.7–0.2 MyaLoading coastlines…
2 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
- Equus
- Sigmodon minor
- Camelops
- Nannippus peninsulatus
- Perognathinae
- Nerterogeomys persimilis
- Platygonus
- Sigmodon curtisi
- Bensonomys arizonae
- Hemiauchenia
- Stegomastodon
- Baiomys brachygnathus
- Baiomys minimus
- Citellus (Otospermophilus) bensoni
- Dipodomys minor
- Glyptotherium texanum
- Onychomys bensoni
- Peromyscus
- Spermophilus cochisei
- Sylvilagus
- Antilocapridae
- Canini
- Canis edwardii
- Cratogeomys bensoni
- Cuvieronius
- Dipodomys gidleyi
- Geomys (Nerterogeomys) minor
- Gomphotheriidae
- Leporidae
- Mustelidae
- Neotoma
- Neotoma (Paraneotoma) fossilis
- Ondatra idahoensis
- Onychomys pedroensis
- Prodipodomys idahoensis
- Aluralagus
- Aluralagus bensonensis
- Aluralagus virginiae
- Ambystoma tigrinum
- Antrozous pallidus
The 40 most often recorded, of 76.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.