Lajas Formation
40 distinct taxa, from 60 fossil occurrences the Paleobiology Database records under this name, spanning 175–162 Mya.
Neuquen · AR
40 taxa · 60 fossils · 175–162 MyaMacrostrat places this rock in the Cuyo Group, and dates it 193–164 Ma. Macrostrat’s own record
Loading coastlines…
5 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
- Bivalvia
- Montlivaltia kobyi
- Complexastraeopsis
- Emileia
- Mapucheastrea andina
- Sonninia espinazitensis
- Anditrigonia (Eoanditrigonia) keideli
- Araucanastrea majuscula
- Araucanastrea minuscula
- Astraraea fungiformis
- Bryozoa
- Bulla
- Bullatimorphites (Kheraiceras)
- Caumontisphinctes (Caumontisphinctes) bifurcus
- Convexastrea weaveri
- Crinoidea
- Cryptoclidus
- Cyathophylliopsis delabechei
- Echinoidea
- Eocolumastrea gortanii
- Eriphyla
- Eurycephalites gottschei
- Garateastrea bardanegrensis
- Gastropoda
- Kobyastraea louisae
- Lilloettia steinmanni
- Lucina
- Muraenosaurus
- Myoconcha
- Natica
- Nerinea
- Neuquinosmilia gerthi
- Neuquinosmilia lospozonensis
- Pliosauridae
- Prorsisphinctes (Prorsisphinctes) intersertus
- Protocardia striatula
- Pseudotoites
- Serpulidae
- Stephanastrea ramulifera
- Trochus
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.