Rio Mayer Formation
150 distinct taxa, from 263 fossil occurrences the Paleobiology Database records under this name, spanning 133–72 Mya.
Santa Cruz · AR
150 taxa · 263 fossils · 133–72 MyaFiled under the Pueyrredon Group. Members recorded: Upper.
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19 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
- Tropaeum
- Pseudosilesites russoi
- Sanmartinoceras walshense
- Toxoceratoides nagerai
- Cymatoceras
- Peltocrioceras deeckei
- Sanmartinoceras
- Belemnopsis
- Helicancylus bonarellii
- Helicancylus patagonicus
- Gleicheniidites
- Hoploparia
- Hypophylloceras
- Peltocrioceras
- Phyllopachyceras
- Puzosia
- Tuberosciponoceras
- Appendicisporites potomacensis
- Baculatisporites comaumensis
- Baculatisporites kachaikensis
- Callialasporites
- Ceratosporites equalis
- Cicatricosisporites
- Cicatricosisporites cuneiformis
- Classopollis
- Clavatipollenites
- Colchidites vulanensis australis
- Cyatheacidites tectifera
- Cyclusphaera
- Cyclusphaera psilata
- Cyclusphaera radiata
- Densoisporites corrugatus
- Densoisporites velatus
- Dictyotosporites complex
- Enoploclytia
- Eomarshallites espinosum
- Eomarshallites hibridum
- Favrella americana
- Foveosporites
- Gleicheniidites senonicus
The 40 most often recorded, of 150.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.