Bigby-Cannon Formation
35 distinct taxa, from 117 fossil occurrences the Paleobiology Database records under this name, spanning 457–450 Mya.
Tennessee · US
35 taxa · 117 fossils · 457–450 MyaMembers recorded: Cannon Facies.
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6 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
- Trepostomida
- Hebertella
- Rhynchotrema
- Zygospira
- Crinoidea
- Escharopora
- Lophospira
- Rafinesquina
- Anazyga
- Dinorthis
- Trilobita
- Leperditicopida
- Isotelus
- Streptelasma
- Tetradium
- Alaskadiscus cristatus
- Bivalvia
- Bryozoa
- Carinaropsis cunulae
- Cyclonema
- Cyclonema varicosum
- Cyrtodontula
- Dalmanella
- Doleroides
- Gastropoda
- Glyptorthis
- Hesperorthis
- Heterotrypa
- Hormotoma
- Loxobucania nashvillensis
- Platystrophia
- Prasopora
- Rhinidictya
- Rostricellula
- Schizolopha textilis
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.