CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina nipponica Asano 1957

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.


Higher levels: pf_cat -> G -> Globigerina -> Globigerina nipponica
Other pages this level: << < G. medizzai, G. megastoma, G. megastoma cariacoensis, G. mexicana, G. microfoliata, G. micropora, G. microstoma, G. microstoma opsionepenthoides, G. minutula, G. moskvini, G. multiloba, G. nepenthes, G. nepenthes delicatula, G. nepenthoides, G. nilotica, G. nipponica, G. nitida, G. nodosa, G. occlusa, G. officinalis, G. officinalis crux, G. oligocaenica, G. orbiformis, G. ouachitaensis, G. ouachitaensis gnaucki, G. ouachitaensis senilis, G. ovoidea, G. oxfordiana, G. panormensis, G. parabulloides, G. paradubia> >>

Globigerina nipponica

Citation: Globigerina nipponica Asano 1957
Rank: species
Type locality: Kii Channel, (i.e. between Shikoku and the Kii Peninsula of Honshu) Japan.
Type age (chronostrat): Recent (bottom sample)
Type sample (& lithostrat): Soyo-maru Station No. 355,
Type specimens: Pl. 1, figs. 1, 2. 3; Holotype (IGPS coll. Cat. No. 77167)

Current identification:


Original Description
Test rotaliform, dorsal side somewhat flattened, ventral side much convex, margin rounded, composed of about three coils; chambers gradually increasing in size as added, but last one much smaller than proceeding ones; wall inflated; aperture a long arched opening with a peripheral lip at base of inner face of last chamber.

Size: Diameter 0.5-1.0 mm.

Etymology: from Nippon - Japan

Extra details from original publication
This new form is similar to Globigerina inflata d'Orbigny in its appearance, but differs from it by the last, smaller chamber of which apertural periphery has a characteristic lip. This is fairly common in the adjacent seas of Japan.

Occurences: A table of 30 occurrences from around Japan is given (p18), with abundances recorded as common to rare.

References:

Asano, K. (1957). The foraminifera from the adjacent seas of Japan, collected by the S.S. Soyo-maru 1922-1930; part 3--planktonic species. Science Reports of the Tohoku University, Series 2 (Geology). 28: 1-26. gs

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Globigerina nipponica compiled by the pforams@mikrotax project team viewed: 23-7-2021

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