Hedbergella planispira Tappan 1940 (TaxonConcept

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Species Hedbergella planispira Tappan 1940

Alternative name:

Hedbergella (Hedbergella) planispira Tappan 1940

Diagnosis / Definition:

Gasinski (1988):
Dimensions: D = 0.13-0.26 mm, t = 0.06-0.13 mm

Discussion / Comments:

Caron (1985):
The species diners from H. delrioensis in its very low spiral side and greater number of chambers, 7-8 compared with 5-6, in the last whorl.
Van Eijden & Smit (1991):
Remarks. Although the range of this species is reported as Turonian-Cenomanian, small specimens indistinguishable from H'. planispira occur in many samples of Maestrichtian and Campanian age.
Gasinski (1988):
Remarks: Differences in size of H. planispira have been connected with their stratigraphic range (Leckie, 1984), earlier forms being smaller, but these have not been observed in the specimens from the Hedbergella assemblage to R. uppenninica Zones. The specimens are similar to those illustrated by Robaszynski & Caron (1979) and described by Weidich (1984). Local stratigraphic range: Hedbergella assemblage to R. appenninica Zones.
Pflaumann & Krasheninnikov (1977):
Test with 6-8 spherical chambers in the last whorl and a wide umbilicus. Relict apertures visible in well-preserved specimens (Plate 2, Figure Id). Earlier chambers sometimes hispid (Plate 2, Figure 4), demonstrating affinities to H. delrioensis. Spira almost subplanispiral.

Systematics:

5
Classis Foraminifera
  Familia Favusellidae
   Genus Globuligerina
    Species Globuligerina hoterivica
     Species Hedbergella planispira

22
  Familia Globotruncanidae
   Subfamilia Hedbergellinae
    Genus Hedbergella
     Species Hedbergella planispira

52
  Familia Rotaliporidae
   Subfamilia Hedbergellinae
    Genus Hedbergella
     Species Hedbergella planispira

Synonym list:

Moullade et al. (2002):

1940 Globigerina planispira Tappan. - Tappan : p.122 pl 9 fig 12 a-c

Caron (1985):

1940 Globigerina planispira Tappan. - Tappan : p.122 pl 9 figs 12 a-c

1985 Hedbergella planispira Tappan. - Caron : 58, 59 figs 25.23-24

Loeblich & Tappan (1961):

1940 Globigerina planispira Tappan. - Tappan : p.122 pl. 19; fig. 12

1944 Globigerina planispira Tappan. - Lozo : p.562 pl. 3; fig. 5

1949 Globigerina globigerinelloides Subbotina. - Subbotina : p.32 pl. 2; fig. 11-16

1953 Globigerina globigerinelloides Subbotina. - Subbotina : p.51 pl. 1; fig. 11-12

1954 Globigerina planispira Tappan. - Frizzell : p.127 pl. 20; fig. 2

1954 Globorotalia? youngi Fox. - Fox : p.119 pl. 26; fig. 15-18

1957 Praeglobotruncana planispira Tappan. - Bolli et al. : p.40 pl. 9; fig. 3

1959 Praeglobotruncana planispira Tappan. - Bolli : p.267 pl. 22; fig. 3-4

1959 Praeglobotruncana modesta Bolli. - Bolli : p.267 pl. 22; fig. 2

1961 Hedbergella planispira Tappan. - Loeblich & Tappan : p.289 pl. 5; fig. 4-11

Van Eijden & Smit (1991):

1940 Globigerina planispira Tappan. - Tappan : p.122 pl. 9, figs. 12a-c

1991 Hedbergella planispira Tappan. - Van Eijden & Smit : p.119 figs. 6-8

Gasinski (1988):

1988 Hedbergella planispira Tappan. - Gasinski : p.233 fig. 12j-l

Pflaumann & Krasheninnikov (1977):

1940 Globigerina planispira Tappan. - Tappan : p.122 pl. 9; fig. 12a-c

1977 Hedbergella planispira Tappan. - Pflaumann & Krasheninnikov : 555, 557 pl. 2, fig. 1-5; pl. 3, fig. 3

Was used in synonym list of:

Praehedbergella gaultina Morozova 1948

Praehedbergella kuznetsovae Banner & Desai 1988

Blefuscuiana speetonensis Banner & Desai 1988

References:

Tappan,H. (1940):
Foraminifera from the Grayson Formation of northern Texas . Journal of Paleontology Vol. 14 p. 93-126

Lozo,J.F.E.. (1944):
Biotratigraphic realtions of some north Texas Trinity and Fredericksburg (Comanche) foraminifera . Amer. Midland Nat. Vol. 31(3) p. 513-582(pls.1-5

Subbotina,N.N. (1949):
Microfauna of the Cretaceous deposits of the southern slope of the Caucasus. Microfauna of the oil fields of the USSR . Trudy Vsesoyuznogo Neftyanogo Nauchno-Isledovatelskogo Geologo-Razvedochnogo Instituta (VNIGRI), Novaya Seriya Vol. 34 p. 5-36

Subbotina,N.N. (1953):
Fossil foraminifera of the USSR. Globigerinidae, Hantkeninidae and Globorotaliidae [in Russian] . Trudy Vsesoyuznogo Neftyanogo Nauchno-Isledovatelskogo Geologo-Razvedochnogo Instituta (VNIGRI), Novaya Seriya Vol. 76 p. 1-296

Frizzell,D.L. (1954):
Handbook of Cretaceous foraminifera of Texas . Texas Univ., Bur. Econ. Geol., Rept. Invest. Vol. 22 p. 1-232(pls.1-21)

Fox,J.S.K.. (1954):
Cretaceous foraminifera from the Greenhorn, Carlile and Cody formations, South Dakota, Wyoming . U.S.Geol. Survey, Prof. Paper Vol. 254(E) p. 97-124(pls.24-2

Bolli,H.M.; Loeblich,A.R. and Tappan,H. (1957):
Planktonic foraminifera families Hantkeninidae, Orbulinidae, Globorotaliidae and Globotruncanidae . United States National Museum Bulletin Vol. 215 p. 3-50

Bolli,H.M. (1959):
Planktonic foraminifera from the Cretaceous of Trinidad, B.W.I. . Bulletins of American Paleontology Vol. 39 p. 257-277

Loeblich,A.R. and Tappan,H. (1961):
Cretaceous planktonic foraminifera: Part I-Cenomanian . Micropaleontology Vol. 7 p. 257-304

Pflaumann,U. and Krasheninnikov,V.. (1977):
Early Cretaceous planktonic foraminifers from eastern North Atlantic, DSDP Leg 41 .
In: Initial Reports of the Deep Sea Drilling Project 41 , Abidjan, Ivory Coast, to Malaga, Spain, February-April 1975 Eds: Gardner, J..Herring, J.. p. 539-564

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

Gasinski,M.A.. (1988):
Foraminiferal biostratigraphy of the Albian and Cenomanian sediments in the Polish part of the Pieniny Klippen Belt, Carpathian Mountains. . Cretaceous Research Vol. 9 p. 217-247

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

Moullade,M.; Bellier,J.P. and Tronchetti,G. (2002):
Hierarchy of criteria, evolutionary processes and taxonomic simplification in the classification of Lower Cretaceous planktonic foraminifera . Cretaceous Research Vol. 23 p. 111-148

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