El Chacay Formation
51 distinct taxa, from 124 fossil occurrences the Paleobiology Database records under this name, spanning 20–16 Mya.
Recorded under country code AR
51 taxa · 124 fossils · 20–16 MyaLoading coastlines…
12 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
- Struthiolarella
- Gmelinmagas plicata
- Zygochlamys jorgensis
- Plicirhynchia plicigera
- Terebratella patagonica
- Proscaphella cossmanni
- Trachycardium puelchum
- Chlamys praenuncius
- Epitonium
- Ficus posadasensis
- Iheringiella patagonensis
- Terebratella
- Venericardia
- Acteon bajoensis
- Lahillia patagonica
- Valdesia
- Calyptraea
- Crassostrea hatcheri
- Iheringithyris ameghinoi
- Isognomon
- Limopsis
- Neverita chiloensis
- Panopea thomasi
- Patagorhynchia patagonica
- Pinna robusta
- Platypygus
- Trophon patagonicus
- Anadara panensis
- Barbatia
- Brachidontes (Brachidontes)
- Brisaster
- Crepidula
- Cucullaea marshalli
- Dentalium
- Eurhomalea difficilis
- Flabellum
- Glycymeris camaronesia
- Isechinus praecursor
- Lucina neglecta
- Modiolus thomsoni
The 40 most often recorded, of 51.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.