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Crassicorbisema asymmetrica dumitricae
Crassicorbisema asymmetrica Subspecies dumitricae H.-Y. Ling Trans. & Proc. Palaeontol. Soc. Jap., New Series, (121): 5. 30 Apr 1981
- Name
- Crassicorbisema asymmetrica dumitricae
- Rank
- Subspecies
- Species
- Crassicorbisema asymmetrica
- Authors (Pub.)
- Ling H.-Y.
- Publication
- Crassicorbisema, a new silicoflagellate genus, from the Southern Oceans and Paleocene silicoflagellate zonation [1981/4]
- Journal
- Transactions and proceedings of the Palaeontological Society of Japan
- Annee/Jahrgang
- New Series
- Issue
- 121
- Page number
- 5
- Year
- 1981
- Fossil Status
- thallus (skeleton)
- Stratigraphy
- Danian
- Location
- Site 208, 31 CC (561 m), DSDP Leg 21 from the western flank of the crest of the northern Lord Howe Rise, southwestern Pacific Ocean
- Paleoregion
- Gondwana (New Zealand)
Data for Holotypus
- Repository Number
- not specified
Data for Paratypus
- Repository Number
- not specified
- Num
- Plate 12, figures 7, 8
- Descr.
- in DUMITRICA, 1973
- Diagnosis
- Basal ring, commonly triangular, large, robust or thick, consisting of minute crests or tubercles in transverse or irregular forms showing characteristic rough outline; radial spines generally absent at rounded corners; lateral rods, thinner than that of basal ring, gradually tapering off their thickness inward where they join in a form of Y; apical accessory spine absent; basal accessory spine, thick and short, located at abapical side where lateral rods originate from basal ring, though completely absent sometimes.