[ Top ] [ Japanese ]
Perispyridium sp.
genus Perispyridium Dumitrica, 1978
- Extinct species: Early - Late Jurassic (189.6 - 145.5 Ma)
- Habitat: Marine
- Classification
- kingdom Chromista, infrakingdom Rhizaria, phylum Radiozoa, class Polycystinea, order Entactinaria, family Eptingiidae
- Distribution
- Jurassic: Tochigi
- Investigation in progress: Ehime