Pella Formation
43 distinct taxa, from 50 fossil occurrences the Paleobiology Database records under this name, spanning 335–323 Mya.
Iowa · US
43 taxa · 50 fossils · 335–323 MyaMacrostrat dates this rock 344–335 Ma. Macrostrat’s own record
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2 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
- Diploblastus glaber
- Pentremites pulchellus
- Anematina
- Anisotrypa
- Anthracospirifer
- Arthropoda
- Bairdia
- Batostomella
- Bellerophontoidea
- Bryozoa
- Cleiothyridina sublamellosa
- Clinopistha
- Composita trinuclea
- Crinoidea
- Dielasma
- Earlandia
- Echinodermata
- Echinoidea
- Ectodemites
- Edmondia
- Endostaffella
- Endothyra
- Endothyranella
- Euphemites
- Fenestella
- Girtyella
- Glossites
- Neozaphrentis
- Orthotetes kaskaskiensis
- Ovatia
- Paladin
- Pentremites
- Pentremites conoideus
- Polytylites
- Praepholidocidaris
- Protoniella
- Pseudoglomospira
- Pugnoides
- Rhineoderma
- Schizodus
The 40 most often recorded, of 43.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.