Blanding Formation
41 distinct taxa, from 56 fossil occurrences the Paleobiology Database records under this name, spanning 443–433 Mya.
Iowa · US
41 taxa · 56 fossils · 443–433 MyaMacrostrat dates this rock 441–439 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
- Platystrophia
- Calymenidae
- Dalejina
- Dolerorthis
- Flabellitesia
- Leptaena
- Orthida
- Plectatrypa
- Rhynchonellida
- Rugosa
- Stricklandiidae
- Strophomenida
- Arachnophyllum
- Brockocystis nodosaria
- Calceocrinidae
- Calymene
- Clintonella
- Crinoidea
- Cryptostomata
- Encrinuridae
- Fardenia (Coolinia)
- Favosites
- Fenestellidae
- Halysites
- Heliolites
- Howellella
- Illaenidae
- Inadunata
- Isorthis
- Leptellina (Merciella)
- Microcardinalia
- Nautiloidea
- Panderodus
- Platyceras
- Polytryphocycloides
- Pyrgocystis
- Resserella
- Sievertsia
- Straparollus
- Stropheodontidae
The 40 most often recorded, of 41.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.