Guelph Formation
77 distinct taxa, from 127 fossil occurrences the Paleobiology Database records under this name, spanning 433–423 Mya.
Ontario · CA
77 taxa · 127 fossils · 433–423 MyaMembers recorded: Lower, Eramosa.
Macrostrat dates this rock 427–424 Ma. Macrostrat’s own record
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5 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
- Coelocaulus longispira
- Cyrtostropha macrospira
- Loxoplocus soluta
- Pycnomphalus obesus
- Codonocheilus striatum
- Coelocaulus turritiformis
- Euomphalopterus valeria
- Gastropoda
- Kirkospira vitellia
- Loxoplocus gothlandicus
- Oriostoma globosum
- Pachystrophia inornatum
- Ptychocaulus bivittata
- Tremanotus angustata
- Anthozoa
- Bivalvia
- Bryozoa
- Cyrtospira ventricosus
- Dolerorthis
- Fardenia (Coolinia)
- Howellella
- Leptaena
- Michelia whiteavesi
- Rhynchotreta
- Spinicharybdis elora
- Spiroraphe galtensis
- Stegerhynchus
- Subulites compactus
- Trilobita
- Turritoma constricta
- Whitfieldella
- Amphistrophia
- Atrypa
- Blastozoa
- Bonnemaia
- Camerella
- Carcinosoma
- Cephalopoda
- Conotoma bispiralis
- Conulariida
The 40 most often recorded, of 77.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.