Kreyenhagen Formation
38 distinct taxa, from 65 fossil occurrences the Paleobiology Database records under this name, spanning 48–27 Mya.
California · US
38 taxa · 65 fossils · 48–27 MyaMacrostrat dates this rock 56–23 Ma. Macrostrat’s own record
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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
- Parapolymixia californica
- Eoexocoetus eocenicus
- Cyclolepoides
- Delectopecten lillisi
- Praescomberesox pacificus
- Pseudoetringus kreyenhagius
- Acila
- Bregmaceros kreyenhagus
- Bulimina
- Caranx orolomaensis
- Kreyenhagenius joaquinensis
- Macrocallista pittsburgensis
- Nuculana (Saccella) washingtonensis
- Parastenodus gillensis
- Thyasira (Conchocele) folgeri
- Alosa ganolytoides
- Amblygoniolepidus polystichus
- Bacillariophyceae
- Bolivina
- Bulimina jacksonensis
- Cibicides pseudoungerianus
- Cyclolepoides tuberculatus
- Galeocerdo
- Globorotalia (Hastigerinella)
- Gyroidina
- Hantkenina compressa
- Homeonezumia multispinosus
- Laytonia zemorrensis
- Natica
- Perse
- Praegaleagra pupensis
- Promacrurus mimus
- Promacrurus zemorrianus
- Pseudoglandulina
- Robulus
- Stichocassidulina thalmanni
- Valvulineria tumeyensis
- Wisslerius sardinelloides
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.