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Hedbergella holmdelensis Olsson 1964 from: Caron, M. (1985): Cretaceous planktic foraminifera. In: Plankton stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 17–86
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Anonymous: Unedited TaxonConcept data
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Species Hedbergella holmdelensis Olsson 1964


Discussion / Comments:
Caron (1985):
The species differs from H. delrioensis in the more robust, larger test size and the more compact arrangement of the subglobular chambers. Perforations on the chamber surface are exceptionally sparse and small.
Huber (1990):
Hedbergella holmdelensis is distinguished from H. monmouthensis (Olsson) by its larger size (up to 300 ^m in diameter), by having a more compressed test and by the asymmetry of the final chamber face. Topotypes of this species were compared with the Maud Rise specimens and found to be identical in external and internal morphology (Huber, 1988b). It differs from H. sliteri by its smaller size and narrower, deeper umbilicus.
Van Eijden & Smit (1991):
Remarks. This species is very rare and we included it in the count of H. monmouthensis (Olsson, 1960).
Systematics:

5
 Classis Foraminifera
  Familia Globotruncanidae
   Genus Hedbergella
    Species Hedbergella holmdelensis

17
 Classis Foraminifera
  Genus Hedbergella
   Species Hedbergella holmdelensis
Synonym list:
Caron (1985):
1964 Hedbergella holmdelensis Olsson. - Olsson : p.160 pl 1figs 2a-c
1985 Hedbergella holmdelensis Olsson. - Caron : 58, 59 figs 25.10-11
Olsson et al. (1999):
1964 Hedbergella holmdelensis Olsson. - Olsson : p. 160 pl. 1, holotype: figs. 2a-c; paratype: figs. 1a-c (upper Maastrichtian, Navesink Fm., New Jersey)
1994 Hedbergella holmdelensis Olsson. - Huber : p. 18-22 pl. 2, figs. 1-8 upper Maastrichtian, Navesink Fm., New Jersey)
Huber (1990):
1964 Hedbergella holmdelensis Olsson. - Olsson : p. 160 pl. 12, figs. 1-2.
non 1977 Hedbergella holmdelensis Olsson. - Sliter : p. 542 pl. 3, figs. 1-3.
1990 Hedbergella holmdelensis Olsson. - Huber : Pl. 2, Figs. 2-4; Pl. 6, Fig. 1
Van Eijden & Smit (1991):
1964 Hedbergella holmdelensis Olsson. - Olsson : p.160 pl. 1, figs. 2a-c
1991 Hedbergella holmdelensis Olsson. - Van Eijden & Smit : p.107
Was used in synonym list of:
References:

Olsson,R.K. (1964):
Late Cretaceous planktonic foraminifera from New Jersey and Delaware . Micropaleontology Vol. 10 p. 157-188

Sliter,W.V. (1977):
Cretaceous foraminifers from the southwestern Atlantic Ocean, Leg 36, Deep Sea Drilling Project.
In: Initial Reports of the Deep Sea Drilling Project Vol. 36 Eds: Barker, P.F.Dalziel, E.W.D.Al, E. p. 519-573

Caron,M. (1985):
Cretaceous planktic foraminifera.
In: Plankton stratigraphy Eds: Bolli, H.M.Saunders, J.B.Perch-Nielsen, K. p. 17–86

Huber,B.T. (1990):
Maestrichtian planktonic foraminifer biostratigraphy of the Maud Rise (Weddell Sea, Antarctica): ODP Leg 113 Holes 689B and 690C.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 113 Eds: Barker, P.F.Kennett, J.P.O'Connell, S.B.Pisias, N.G. p. 489-513

Van Eijden,A.J.M. and Smit,J. (1991):
Eastern Indian Ocean Cretaceous and Paleogene quantitative biostratigraphy.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 121 Eds: Weissel, J.Peirce, J.Taylor, E.Alt, J. p. 77-123

Huber,B.T. (1994):
Ontogenetic morphometrics of some Late Cretaceous trochospiral planktonic foraminifera from the Austral Realm . Smithsonian Contributions to Paleobiology Vol. 77 p. 85 pp.

Olsson,R.K.; Berggren,W.A.; Hemleben,C. and Huber,B.T. (1999):
Atlas of Paleocene planktonic foraminifera - online version. , Smithsonian Contributions to Paleobiology Vol. 85 p. 1-252
Anonymous: Unedited TaxonConcept data
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