liik
Rosselia conoides Howard et Frey, 1984
Taksoni kirjeldused
Howard & Frey, 1984
Diagnosis Large, squat, broadly bulbous to elongate, funnel-shaped burrows, predominantly vertical, consisting of helicoid swirls of reworked sediment, terminating downward in a subVarious authors have noted a similarity in fabrication cylindrical stem.
Sünonüümika
1984 Rosselia conoides n. sp. — Howard & Frey , lk. 208, joon. 16A-C; 17A-D
Klassifikatsioon
organismirühm | Biota |
ihnorühm | Ichnofossils |
Bioturbation trace fossils | |
sugukond | Rosselichnidae |
perekond | Rosselia |
liik | conoides |
erecta | |
prolifera | |
rotatus | |
socialis |