Hay River Formation
31 distinct taxa, from 51 fossil occurrences the Paleobiology Database records under this name, spanning 388–372 Mya.
Northwest Territories · CA
31 taxa · 51 fossils · 388–372 MyaMembers recorded: C, lower, B, D, E, A, Escarpment.
Macrostrat places this rock in the Woodbend Group, and dates it 383–376 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
- Phillipsastrea
- Macgeea
- Peneckiella
- Tabulophyllum
- Temnophyllum
- Disphyllum
- Mikkwaphyllum cameroni
- Spinatrypa
- Tecnocyrtina
- Actinostroma
- Amphipora ramosa
- Aristophyllum
- Atrypa
- Charactophyllum
- Clathrocoilona
- Desquamatia
- Desquamatia (Independatrypa)
- Eleutherokomma
- Euryamphipora
- Frechastraea
- Frechastraea pollicaris
- Ladogioides pax
- Leiorhynchus
- Lingula spatulata
- Macgeea soraufi
- Piceaphyllum
- Radiatrypa
- Schizophoria
- Schizophoria lata
- Stromatopora cygnea
- Syringostroma
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.