Headless Formation
37 distinct taxa, from 51 fossil occurrences the Paleobiology Database records under this name, spanning 393–382 Mya.
Northwest Territories · CA
37 taxa · 51 fossils · 393–382 MyaMacrostrat dates this rock 393–389 Ma. Macrostrat’s own record
Loading coastlines…
3 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
- Emanuella
- Ostracoda
- Archaeogastropoda
- Atrypa
- Crinoidea
- Productella
- Schuchertella
- Spinatrypa
- Spinulicosta
- Spiriferida
- Agoniatites
- Anarcestes
- Bryozoa
- Camarotoechia
- Dechenella
- Dendrostella
- Dohmophyllum
- Hadrorhynchia
- Lingula
- Nautiloidea
- Nowakia
- Nuculida
- Palaeoneilo
- Paracyclas
- Proetida
- Psydracophyllum
- Radiastraea
- Rhynchonellidae
- Rugosa
- Schizophoria
- Sociophyllum
- Strophomenida
- Styliolina
- Tabulata
- Taimyrophyllum
- Tentaculites
- Warrenella
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.