Sierra de Santa Rosa Formation
64 distinct taxa, from 144 fossil occurrences the Paleobiology Database records under this name, spanning 201–184 Mya.
Sonora · MX
64 taxa · 144 fossils · 201–184 MyaFiled under the El Antimonio Group. Members recorded: Lower Jurassic upper, Lower, Middle, Upper.
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5 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
- Coroniceras
- Dubariceras freboldi
- Metaderoceras
- Fuciniceras
- Polymorphites
- Dubariceras silviesi
- Arnioceras
- Gemmellaroceras
- Badouxia
- Caenisites brooki
- Epophioceras
- Metaderoceras gemmellaroi evolutum
- Neocrassina gueuxi
- Partschiceras tenuistriatum
- Weyla (Lywea) unca
- Weyla alata
- Agerchlamys wunschae
- Arnioceras arnouldi
- Arnioceras ceratitoides
- Arnioceras miserabile
- Badouxia castlensis
- Caenisites
- Epophioceras longicella
- Frenguelliella poultoni
- Grammatodon sulcatus
- Juraphyllites
- Metaderoceras gemmellaroi
- Modiolus
- Palaeoechioceras
- Paltechioceras
- Phylloceras hebertinum
- Protocardia truncata
- Pseudoskirroceras imlayi
- Weyla bodenbenderi
- Bakevellia
- Cardinia
- Cardinia concinna
- Echioceratidae
- Entolium (Entolium) corneolum
- Eolytoceras
The 40 most often recorded, of 64.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.