This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Current identification/main database link: Globorotalia crassaconica Hornibrook, 1981
Original Description
Size:
Extra details from original publication
This species is present in DSDP Site 284, cores 10-12. A comparison with G. crassaformis from the type samples (N116/f493) is well shown in Fig. 9a-c, s-u. G. crassaconica is distinctly more angular and planoconical with a distinct thin peripheral keel. In the East Coast Basin it coils dextrally, contrasting with G. crassaformis which coils predominantly sinistrally within this time interval.
Range: Opoitian-Waipipian (Early-Late Pliocene).
Hornibrook, N. d. B. (1981). Globorotalia in the late Pliocene and early Pleistocene of New Zealand. New Zealand Journal of Geology and Geophysics. 24: 263-292. gs References:

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Globorotalia crassaconica compiled by the pforams@mikrotax project team viewed: 13-11-2025
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