Back Bay Formation
33 distinct taxa, from 33 fossil occurrences the Paleobiology Database records under this name, spanning 439–433 Mya.
New Brunswick · CA
33 taxa · 33 fossils · 439–433 MyaMacrostrat places this rock in the Mascarene Group, and dates it 445–425 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
- Amphistrophia
- Anastrophia
- Atrypa reticularis
- Cyrtia
- Dalejina hybrida
- Dicoelosia
- Dolerorthis rustica
- Eospirifer
- Euomphalopterus alatus
- Fardenia (Coolinia)
- Ferganella
- Howellella
- Isorthis
- Leangella
- Leptaena
- Macropleura
- Meristina
- Nucleospira
- Oriostoma globosum
- Pentamerus
- Pentlandina
- Phanerotrema lindstroemi
- Plectatrypa (Plectatrypa) imbricata
- Plectodonta
- Protochonetes
- Protomegastrophia
- Rhynobolus
- Sieberella
- Skenidioides
- Sphaerirhynchia
- Stegerhynchus
- Strophoprion euglypha
- Visbyella concavoconvexa
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.