Fort Cassin Formation
90 distinct taxa, from 165 fossil occurrences the Paleobiology Database records under this name, spanning 487–468 Mya.
New York, Vermont · US
90 taxa · 165 fossils · 487–468 MyaFiled under the Beekmantown Group. Members recorded: Sciota, Ward, Emerson School.
Macrostrat places this rock in the Beekmantown Group. Macrostrat’s own record
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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
- Centrotarphyceras seelyi
- Isoteloides canalis
- Protocycloceras lamarcki
- Curtoceras eatoni
- Proterocameroceras brainerdi
- Acidiphorus whittingtoni
- Eurystomites kelloggi
- Cassinoceras wortheni
- Eurystomites amplectens
- Expandocassinoceras grande
- Acidiphorus
- Colaptoconus quadraplicatus
- Isoteloides peri
- Lawrenceoceras breve
- Lawrenceoceras confertissimum
- Strigigenalis cassinensis
- Bassleroceras beekmanense
- Bassleroceras kirbyi
- Bolbocephalus
- Campbelloceras rotundum
- Cyclostomiceras cassinense
- Cyrtobaltoceras gracile
- Drepanoistodus
- Ecculiomphalus
- Metabaltoceras fusiforme
- Pionoceras vokesi
- Protocycloceras furtivum
- Rudolfoceras cornuoryx
- Seelyoceras raei
- Uromystrum marginiatus
- Acodus deltatus
- Acodus similaris
- Anrangeroceras whitehallense
- Archaeogastropoda
- Bassleroceras acinacellum
- Bathyurellus platypus
- Bolbocephalus seelyi
- Bridgeites volutatus
- Calaurops lituiformis
- Campbelloceras hyatti
The 40 most often recorded, of 90.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.