Dubuque Formation
64 distinct taxa, from 138 fossil occurrences the Paleobiology Database records under this name, spanning 451–450 Mya.
Minnesota, Illinois, Iowa, Illinois, Iowa, Wisconsin, Iowa · US
64 taxa · 138 fossils · 451–450 MyaFiled under the Galena Group.
Macrostrat places this rock in the Galena Group, and dates it 451–449 Ma. Macrostrat’s own record
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7 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
- Endoceras
- Armenoceras
- Probillingsites
- Actinodiscus
- Amecystis
- Austinella kankakensis
- Bollia
- Brachytomaria semele
- Bumastus orbicaudatus
- Centrocyrtoceras
- Ceraurinus icarus
- Cyclocystoides
- Eccyliopterus owenanus
- Eunema quadrisulcata
- Flexicalymene (Flexicalymene) senaria
- Fusispira angusta
- Fusispira inflata
- Fusispira intermedia
- Fusispira subbrevis
- Fusispira subfusiformis
- Fusispira ventricosa
- Glyptorthis bellarugosa
- Heterorthina emacerata
- Hiscobeccus capax
- Hormotoma gracilis
- Hormotoma minnesotensis
- Hormotoma oehlerti
- Isotelus gigas
- Isotelus susae
- Kionoceras decorahense
- Lingulasma philomela
- Liospira micula
- Lophospira major
- Lytospira subrotunda
- Maclurina manitobensis
- Maclurites crassa
- Maclurites cuneata
- Maclurites subrotunda
- Manitoulinoceras
- Megamyonia unicostata
The 40 most often recorded, of 64.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.