Wassonville Formation
132 distinct taxa, from 180 fossil occurrences the Paleobiology Database records under this name, spanning 359–347 Mya.
Iowa · US
132 taxa · 180 fossils · 359–347 MyaMembers recorded: Starrs Cave, "Ollie".
Macrostrat dates this rock 359–347 Ma. Macrostrat’s own record
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4 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
- Spirifer
- Anematina conica
- Euphemites urei
- Cerithioides
- Cerithioides judiae
- Dichocrinus
- Hypergonia percarinata
- Palaeozygopleura difficile
- Straparollus (Euomphalus) subplanus
- Trachydoma variata
- Angyomphalus penelenticulata
- Beecheria chouteauensis
- Brachythyris
- Camarotoechia
- Cribanocrinus
- Cusacrinus
- Dictyotomaria quasicapillaria
- Eumetria
- Gilmocrinus
- Hypselocrinus
- Nautiloidea
- Pernopecten
- Platycrinites
- Platyschisma laudoni
- Protacrocrinus
- Retispira
- Retispira exilis
- Rhodocrinites
- Spiriferina
- Teutonophon tangentialis
- Waagenella sowerbyi
- Aclisina
- Angyomphalus lens
- Anomphalus
- Aorocrinus
- Aviculopecten
- Baylea trifibra
- Belemnocrinus
- Bellerophon blairi
- Blothrocrinus
The 40 most often recorded, of 132.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.