TaxonConcept: Globorotalia humerosa humerosa Takayanagi & Saito 1962 from: Bolli, H.M.Saunders, J.B. (1985): Oligocene to Holocene low latitude planktic foraminifers. In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B. p. 155-262

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Globorotalia humerosa humerosa Takayanagi & Saito 1962 from: Bolli, H.M.Saunders, J.B. (1985): Oligocene to Holocene low latitude planktic foraminifers. In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B. p. 155-262

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Subspecies Globorotalia humerosa humerosa Takayanagi & Saito 1962

Discussion / Comments:

Bolli & Saunders (1985):
The morphological features of G. humerosa are largely those of G. acostaensis, except for its larger test size and higher number of chambers forming the last whorl (6-7 instead of ,1-5), resulting in a less rapid increase of the individual chambers. The division between G. acostaensis and G. humerosa, using number of chambers and test size, is most conveniently placed between 4-5 chambered forms of a maximum diameter up to about 0.4 mm, and 6-7 chambered forms of a size range from about 0.4 to 0.5 min.

Synonym list:

Bolli & Saunders (1985):

1962 Globorotalia humerosa Takayanagi & Saito. - Takayanagi & Saito : p.78 pl.28, figs.1a-c

1985 Globorotalia humerosa humerosa Takayanagi & Saito. - Bolli & Saunders : 208, 209 figs. 27.8, 28.15; 6,10,11

References:

Takayanagi,Y. and Saito,T. (1962):
Planktonic foraminifers from the Nobori Formation, Shikoku, Japan. . Science Reports of the Tohoku University Serie 2 Vol. 5 p. 67-106

Bolli,H.M. and Saunders,J.B. (1985):
Oligocene to Holocene low latitude planktic foraminifers.
In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B. p. 155-262

Anonymous: Unedited TaxonConcept data

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