TaxonConcept: Hirsutella cibaoensis Bermudez 1949 from: Chaisson, W.P.Pearson, P.N. (1997): Planktonic foraminifer biostratigraphy at Site 925: middle Miocene–Pleistocene. In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 154 Eds: Shackleton, N.J.Curry, W.B.Richter, C.Bralower, T.J.

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Hirsutella cibaoensis Bermudez 1949 from: Chaisson, W.P.Pearson, P.N. (1997): Planktonic foraminifer biostratigraphy at Site 925: middle Miocene–Pleistocene. In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 154 Eds: Shackleton, N.J.Curry, W.B.Richter, C.Bralower, T.J.

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Species Hirsutella cibaoensis Bermudez 1949

Discussion / Comments:

Chaisson & Pearson (1997):
This species is distinguished from H. scitula by its coarser textured test and the delicate keel on the final chamber. Well-developed specimens are found in upper Miocene Sample 154-925B-22H-5, 65-67 cm, below its published FO (Kennett and Srinivasan, 1983). In Sample 154-925B-18H-5, 65-67 cm, specimens with an imperforate band entirely around the periphery of the test are observed, resembling H. margaritae primitiva. In Sample 154-925B-17H-5, 65-67 cm, H. cibaoensis specimens have fully keeled chambers.

Systematics:

1
Superregnum Eukaryota
  Regnum Protoctista
   Phylum Ciliophora
    Subphylum Postciliodesmatophora
     Ordo Globigerinida
      Superfamilia Globorotaliaceae
       Superfamilia Nonionacea
        Familia Globorotaliidae
         Genus Hirsutella
          Species Hirsutella cibaoensis

Synonym list:

Chaisson & d'Hondt (2000):

1949 Globorotalia cibaoensis Bermudez. - Bermudez : p.285 pl 22 figs 21-23

1983 Globorotalia (Hirsutella) cibaoensis Bermudez. - Kennett & Srinivasan : p.136 pl 32 figs 1-3

1997 Hirsutella cibaoensis Bermudez. - Chaisson & Pearson : p.16 pl 2 figs 18,19

Chaisson & Pearson (1997):

1949 Globorotalia cibaoensis Bermudez. - Bermudez : p.285 pl. 22; fig. 21-23

1983 Globorotalia (Hirsutella) cibaoensis Bermudez. - Kennett & Srinivasan : p.136 pl. 32; fig. 1-3

1997 Hirsutella cibaoensis Bermudez. - Chaisson & Pearson : p.31 pl. 2; fig. 18, 19

Stratigraphy - absolute ages:

FAD: 8.05 ± 0.03 [Ma], Chaisson & d'Hondt (2000) ODP Leg 165 Site 999
LAD: 3.22 ± 0 [Ma], Chaisson & Pearson (1997) ODP Leg 154 Site 925
FAD: 9.44 ± 0 [Ma], Chaisson & Pearson (1997) ODP Leg 154 Site 925

References:

Bermudez,P.J. (1949):
Tertiary smaller foraminifers of the Dominican Republic . Spec. Publ.Cushman Lab. Foraminiferal Res., Vol. 25 p. 1-322

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

Chaisson,W.P. and Pearson,P.N. (1997):
Planktonic foraminifer biostratigraphy at Site 925: middle Miocene–Pleistocene.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 154 Eds: Shackleton, N.J.Curry, W.B.Richter, C.Bralower, T.J.

Chaisson,W.P. and d'Hondt,S.L. (2000):
Neogene planktonic foraminifer biostratigraphy at Site 999, Western Caribbean Sea.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 165 Eds: Leckie, R.M.Sigurdsson, H.Acton, G.D.Draper, G. p. 19-56

Anonymous: Unedited TaxonConcept data

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