Bihen Limestone Formation
Geology
Age range: base of the Late/Upper Callovian to the top of the Oxfordian or 164.70000 to 157.30000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Callovian | Somalia | (92996 92997 92998 92999 159791) | |
| Callovian - Oxfordian | Somalia | (92962 92990 92991 92992 92993 92994 92995 93012 93013 93014 93015 93017 93020 93021) | |
| Late/Upper Callovian - Oxfordian | Somalia | (94552) | |
| Oxfordian | Somalia | (94553) |