El Cien Formation
26 distinct taxa, from 52 fossil occurrences the Paleobiology Database records under this name, spanning 27–23 Mya.
Baja California Sur · MX
26 taxa · 52 fossils · 27–23 MyaMembers recorded: San Juan, Timbabichi, San Hilario, Tembabichi.
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9 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
- Odontoceti
- Cetotheriidae
- Kekenodontidae
- Mysticeti
- Aetiocetidae
- Aetiocetus
- Balaenopteroidea
- Cetacea
- Chaeomysticeti
- Cornwallius
- Eomysticetidae
- Squalodontidae
- Aetiocetus palmadentis
- Calafiacetus longipinna
- Chonecetus
- Cornwallius sookensis
- Dalpiazinidae
- Kaaucetus thesaurus
- Mauicetus
- Necronectes nodosa
- Oregonia spinifera
- Squalodelphinidae
- Testudines
- Tlaxcallicetus
- Tlaxcallicetus guaycurae
- Waipatiidae
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.