Mariposa Formation
30 distinct taxa, from 63 fossil occurrences the Paleobiology Database records under this name, spanning 165–143 Mya.
California · US
30 taxa · 63 fossils · 165–143 MyaMacrostrat dates this rock 156–151 Ma. Macrostrat’s own record
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14 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
- Buchia concentrica
- Belemnites pacificus
- Gastropoda
- Lima
- Perisphinctes (Dichotomosphinctes)
- Perisphinctes (Dichotomosphinctes) muhlbachi
- Subdichotomoceras filiplex
- Amussium (Entolium) aurarium
- Amoeboceras (Amoebites) dubium
- Avicula
- Belemnites
- Buchia erringtoni
- Cadoceras (Pseudocadoceras)
- Cerithium
- Echinoidea
- Entolium
- Idoceras
- Meleagrinella
- Mytilus
- Nuculanida
- Pectinoidea
- Perisphinctes
- Perisphinctes (Discosphinctes) virgulatiformis
- Pholadomya orbiculata
- Phylloceras
- Sierradiadema kristini
- Tancredia
- Taramelliceras (Proscaphites) denticulatum
- Trigonia
- Turbo
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.