Rosarito Beach Formation
126 distinct taxa, from 174 fossil occurrences the Paleobiology Database records under this name, spanning 20–12 Mya.
Baja California · MX
126 taxa · 174 fossils · 20–12 MyaMembers recorded: Los Indios.
Macrostrat dates this rock 23–5.3 Ma. Macrostrat’s own record
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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
- Chione (Chionopsis) temblorensis
- Morus
- Neotherium
- Puffinus
- Actinocyclus ingens
- Actinoptychus
- Biddulphia aurita
- Cannopilus
- Coscinodiscus curvatulus
- Coscinodiscus excentricus
- Coscinodiscus marginatus
- Desmostylus
- Distephanus crux
- Distephanus speculum
- Divalinga
- Myliobatis
- Navicula lyra
- Otodus megalodon
- Oxydactylus longipes
- Stephanopyxis
- Sula
- Thalassiothrix longissima
- Turritella ocoyana
- Acanthocybium
- Actiniscus
- Actinocyclus
- Aetobatus
- Alcidae
- Allodesmus
- Alopias
- Ammodochium
- Anadara
- Ariidae
- Aves
- Bacillariophyceae
- Balistidae
- Calamus
- Cancellaria
- Carangidae
- Carcharhinidae
The 40 most often recorded, of 126.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.