El Piojo Formation
27 distinct taxa, from 36 fossil occurrences the Paleobiology Database records under this name, spanning 72–66 Mya.
California · US
27 taxa · 36 fossils · 72–66 MyaMacrostrat dates this rock 101–66 Ma. Macrostrat’s own record
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6 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
- Opis (Hesperopis) triangulata
- Xenomytilus fons
- Brachysphingus gibbosus
- Turritella webbi
- Acila (Truncacila) princeps
- Callistalox fragilis
- Calva (Calva) baptisia
- Calva (Calva) varians
- Calva (Egelicalva) crassa
- Crassatella mercedensis
- Cryptochorda
- Cucullaea mathewsonii
- Cucullaea morani
- Euspira
- Glycymerita banosensis
- Heteroterma
- Indogrammatodon vancouverensis
- Loxo quintense
- Nekewis seidersi
- Neophylloceras
- Ornopsis dysis
- Perissitys stantoni
- Polinices (Polinices)
- Roudairia squiresi
- Tessarolax teleos
- Venericardia (Pacificor) taliaferroi
- Volutoderma
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.