Bar B Formation
19 distinct taxa, from 19 fossil occurrences the Paleobiology Database records under this name, spanning 306–304 Mya.
New Mexico · US
19 taxa · 19 fossils · 306–304 MyaMacrostrat places this rock in the Magdalena Group, and dates it 306–299 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
- Acanthopecten
- Acharax (Nacrosolemya) trapezoides
- Amphiscapha subrugosa
- Anomphalus verruculiferus
- Apotocardium lanterna
- Astartella concentrica
- Bellerophon graphicus
- Cymatospira montfortianus
- Economolopsis anodontoides
- Euphemites enodis
- Glabrocingulum grayvillense
- Leiorhynchoidea
- Nuculopsis
- Nuculopsis girtyi
- Pharkidonotus percarinatus
- Polidevcia bellistriata
- Retispira tenuilineata
- Trepospira illinoisensis
- Worthenia tabulata
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.