Hopkinton Dolomite
35 distinct taxa, from 52 fossil occurrences the Paleobiology Database records under this name, spanning 443–433 Mya.
Iowa · US
35 taxa · 52 fossils · 443–433 MyaMacrostrat dates this rock 443–433 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
- Bryozoa
- Favosites
- Halysites
- Rugosa
- Arctinurus
- Atrypa
- Ceratocephala
- Dicranopeltis
- Proetidae
- Stenopareia
- Styginidae
- Acidaspis
- Algae
- Calymene
- Cheirurus
- Costistricklandia
- Crinoidea
- Cyclonema
- Deiphon
- Dimerocrinites
- Dudleyaspis
- Eucalyptocrinitidae
- Fardenia
- Isorthis
- Leperditia
- Leptaena
- Macrostylocrinus
- Murchisonioidea
- Otarion
- Pentameroides
- Petalocrinus
- Platystrophia
- Stricklandia
- Syringopora
- Whitfieldella
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.