Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Maravillas Formation  | |
|---|---|
| RT | Puerto Rico |
| Texas | |
| Upper Cretaceous | |
| Upper Ordovician | |
| SN | Upper Ordovician of W Texas. Also, an Upper Cretaceous formation in Puerto Rico. Indexed with ages as applicable. Added to Thesaurus in 1989. |