Aylmer Formation
45 distinct taxa, from 78 fossil occurrences the Paleobiology Database records under this name, spanning 471–453 Mya.
Quebec, Ontario · CA
45 taxa · 78 fossils · 471–453 MyaFiled under the Chazy Group. Members recorded: St. Martin, Pamelia.
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13 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
- Rostricellula plena
- Blastoidocrinus carchariaedens
- Hybocrinus pristinus
- Isochilina
- Orthoceras
- Bathyurus angelini
- Ectenoglossa lyelli
- Mimella imperator
- Deocrinus asperatus
- Leperditia canadensis
- Mimella borealis
- Modiolopsis parviuscula
- Palaeocystites
- Primitia
- Raphistoma calyx
- Raphistoma stamineum
- Rostricellula orientalis
- Bathyurus
- Bolboporites americanus
- Canadocystis barrandei
- Canadocystis emmonsi
- Cleionychia montrealensis
- Ctenodonta parvidens
- Cyrtodonta
- Cyrtodonta breviuscula
- Dactylogonia incrassata
- Ectenoglossa mantelli
- Eofletcheria incerta
- Helicotoma umbilicata
- Isoteloides canalis
- Leperditia
- Lingulella huronensis
- Lophospira perangulata
- Malocystites murchisoni
- Modiolopsis
- Multicostella platys
- Oriostoma pauper
- Pachyocrinus crassibasalis
- Palaeocrinus
- Palaeoglossa belli
The 40 most often recorded, of 45.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.