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Hastigerina pelagica d'Orbigny 1839 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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Species Hastigerina pelagica d'Orbigny 1839


Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test large, planispiral, involute, biumbilicate; chambers subglobular to ovate, regularly increasing in size, five to six in the final whorl; sutures depressed, surface smooth with large and more closely arranged pores, large massive triradiate spines irregularly distributed over the surface; aperture interiomarginal, a wide equatorial arch bordered by a thin lip.
Discussion / Comments:
Bolli & Saunders (1985):
The species is characterized by its comparatively tightly coiled, nearly involute, planispiral test with chambers of the last whorl distinctly broader than high. Chamber walls are delicate, well preserved specimens having the unmistakable, characteristic, widely spaced trigonal prismatic spines that in living specimens may measure several times the diameter of the test itself. In fossil specimens these spines are mostly broken off or at least preserved as short stumps, particularly on the early chambers of the last whorl (Figs. 43.11-12). Banner & Blow (1960b) regard H. pelagica as being restricted to the Pliocene to Holocene. Blow (1969) extended its range to 'lower part Zone N 16 to Zone N 23' (Late Miocene Globorotalia acostaensis Zone to Holocene). Typical specimens are particularly characteristic in the Pleistocene and Holocene. Careful investigations on well preserved early forms are still needed to prove their morphological relationship with the holotype or lectotype.
Synonym list:
Kennett & Srinivasan (1983):
1839 Nonionina pelagica d'Orbigny. - d'Orbigny : p.27 pl 3 figs 13, 14
Bolli & Saunders (1985):
1839 Nonionina pelagica d'Orbigny. - d'Orbigny : p.27 pl.3, figs.13-14
1876 Hastigerina murrayi Thomson. - Thomson : p.534 pl.22, lower specimen (= lectotype for H. pelagica designated by Banner & Blow, 1960b)
1917 Globigerina aequilateralis var. involuta Cushman. - Cushman : p.293 text-figs. 11a-c
1985 Hastigerina pelagica d'Orbigny. - Bolli & Saunders : 251, 252 figs. 42.7-8, 43.11-14; 7,10,11
Quilty (1976):
1839 Hastigerina pelagica d'Orbigny. - d'Orbigny : p.27 pl. 3, figs. 13-14
1884 Hastigerina pelagica d'Orbigny. - Brady : p.613 pl. 83, figs. 1-4
1960 Hastigerina pelagica d'Orbigny. - Banner & Blow : p.20 text-fig. 11
1976 Hastigerina pelagica d'Orbigny. - Quilty : p.699 pl. 17, figs. 7-10
References:

d'Orbigny,. (1839):
Voyage dans l'Amérique méridionale, Foraminifères. p. 1-86

d'Orbigny,A.D. (1839):
Foraminifères.
In: Histoire Physique, Politique et Naturelle de l'ile de Cuba2 (atlas vol 8 pls 1-12) Eds: de la Sagra, R. p. 1-224

d'Orbigny,A.D. (1839):
Foraminfères des Iles Canaries.
In: Histoire naturelle des Iles Canaries Vol. 2(2) Eds: Barker Webb, P.Berthelot, S.

Thomson,W.. (1876):
Comments.
In: Preliminary reports to Professor Wyville Thomson, F.R.S., director of the civilian scientific staff, on work done aboard the 'Challenger', Proc. R. Soc. London Vol. 24 p. 534

Brady,H.B. (1884):
Report on the foraminifera dredged by H.M.S. Challenger during the years 1873-1876.
In: Report of the scientific results of the voyage of H.M.S. Challenger, 1873-1876, Zoology Vol. 9 p. 1-814

Cushman,J.A. (1917):
New species and varieties of foraminifera from the Philippines and adjacent waters . Proc. U.S. mid Mus Vol. 51 p. 651-62

Banner,F.T. and Blow,W.H. (1960):
The taxonomy, morphology and affinities of the genera included in the subfamily Hastigerininae . Micropaleontology Vol. 6 p. 19-31

Quilty,P.G.. (1976):
Planctonic foraminifera DSDP Leg 34- Nazca Plata . DSDP initial reports Vol. 34

Kennett,J. and Srinivasan,M.S. (1983):
Neogene Planktonic Foraminifera - A Phylogenetic Atlas.

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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