Besa River Formation
36 distinct taxa, from 54 fossil occurrences the Paleobiology Database records under this name, spanning 359–343 Mya.
Northwest Territories · CA
36 taxa · 54 fossils · 359–343 MyaMacrostrat dates this rock 389–323 Ma. Macrostrat’s own record
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1 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
- Spirifer
- Schellwienella
- Torynifer
- Brachythyris chouteauensis
- Cleiothyridina
- Cleiothyridina obmaxima
- Dictyoclostus
- Fenestrellina
- Mesochorispira grimesi
- Perexigupyge loganensis
- Platyrachella
- Spirifer centronatus
- Spiriferella
- Brachythyris
- Camarotoechia
- Caninia
- Caninophyllum
- Chonetes
- Chonetes illinoisensis
- Dictyoclostus arcuatus
- Diphyphyllum
- Grammysia
- Marginirugus
- Neozaphrentis
- Pseudosyrinx
- Punctospirifer solidirostris
- Pustula
- Rhipidomella
- Rhipidomella diminutiva
- Rhipidomella missouriensis
- Rhombopora
- Schizophoria
- Schuchertella
- Spirifer cascadensis
- Sulcoretepora
- Syringopora surcularia
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.