Turborotalia increbescens Bandy 1949 (TaxonConcept

Anonymous: Unedited TaxonConcept data

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Species Turborotalia increbescens Bandy 1949

Discussion / Comments:

Spezzaferri & Silva (1990):
Very rare.
Pearson et al. (2006):
DISTINGUISHING FEATURES.- Turborotalia increbescens is distinguished from both T. pomeroli and T. cerroazulensis by its more compact morphology and from T. cerroazulensis by having a rounder periphery and more globular test shape. It has fewer and less elongate chambers than T. altispiroides, and a lower trochospiral. DISCUSSION.- This morphospecies is intermediate in morphology between T. pomeroli and T. ampliapertura and also intergrades with T. cerroazulensis in the lower part of the upper Eocene. The holotype is illustrated in SEM licre for the first time (Pl. 15.6, Figs. 1-3) Blow and Banner (1962) and Blow (1960, 1979) have remarked upon the tendency of the aperture to become more umbilical in position, producing transitional forms toward the ampliapertura morphospecies. Both T. increbescens and T. ampliapertura survived the extinction of the rest of the genus in the uppermost Eocene . Globigerina tumbeli Khalilov was viewed by W.A. Berggren (pers. comm.) as a part of this study and is placed in questionable synonymy. PHYLOGENETIC RELATIONSHIPS.- Evolved from Turborotalia pomeroli in the middle Eocene (Blow and Banner, 1962; Toumarkine and Bolli, 1970). STRATIGRAPHIC RANGE.- Middle Eocene Zone F13 (Postuma, 1971) to lower Oligocene (Blow, 1979; Leckie and others, 1993). GEOGRAPHIC DISTRIBUTION.- Cosmopolitan. STABLE ISOTOPE PALEOBIOLOGY.- Recorded by Boersma and others (1987)a having relatively negative ò18O, possibly indicating a shallow-water habitat. REPOSITORY.- Holotype deposited in the micropaleontological collections at Indiana University.

Systematics:

22
Genus Subbotina
  Informal Group Subbotina angiporoides
   Species Subbotina praeturritiliana
    Species Turborotalia increbescens

32
Ordo Foraminiferida
  Familia Globorotaliidae
   Genus Turborotalia
    Species Turborotalia increbescens

35
  Ordo Foraminiferida
   Superfamilia Globigerinaceae
    Familia Hedbergellidae
     Genus Turborotalia
      Species Turborotalia increbescens

Synonym list:

Van Eijden & Smit (1991):

1949 Globigerina increbescens Bandy. - Bandy : p.120 pl. 23, fig. 3

1991 Turborotalia increbescens Bandy. - Van Eijden & Smit : p.114

Spezzaferri & Silva (1990):

1949 Globigerina increbescens Bandy. - Bandy :

1985 Globigerina increbescens Bandy. - Bolli & Saunders : fig. 14 (5)

1990 Turborotalia increbescens Bandy. - Spezzaferri & Silva :

Pearson et al. (2006):

1949 Globorotalia centralis Cushman & Bermudez. - Bermudez : p. 284-285 pl. 22; fig. 30-32 [middle Eocene, Plaisance Fm., Azua Province, Dominican Republic]; [Not Cushman and Bermudez, 1937]

1949 Globigerina increbescens Bandy. - Bandy : p.120 pl. 23; fig. 3a-c [upper Eocene, Little Stave Crcck, Alabama].

p 1953 Acarinina centralis Cushman & Bermudez. - Subbotina : p. 237-239 pl. 25; fig. 26a-27c [upper Eocene, northern Caucasus and Mangyshlak Peninsula, USSR]; [Not Cushman and Bermudez, 1937]

1956 Globigerina tumbeli Khalilov. - Khalilov : p.246 pl. 5, fig. 1a-c [lower Oligocene, north-east foothills of Maly Caucasus]

1962 Globorotalia (Turborotalia) increbescens Bandy. - Blow & Banner : p.118 pl. 13 fig. T-V; pl. 17, fig. D, K [upper Eocene, Sample FCRM. 1650, Lindi, Tanzania].

1969 Globorotalia (Turborotalia) increbescens Bandy. - Blow : p.349 pl. 36; fig. 5-6 [upper Eocene, Lindi, Tanzania]

1978 Globorotalia cerroazulensis pomeroli Toumarkine & Bolli. - Toumarkine : p.710 pl. 6; fig. 6-9 [middle and upper Eocene, DSDP Site 363, Walvis Ridge, South Atlantic Ocean]; [Not Toumarkine and Bolli, 1970]

1985 Globigerina increbescens Bandy. - Snyder & Waters : p.460 pl. 2; fig. 12-14 [Oligocene Zone P20, DSDP Hole 549A, Goban Spur, North Atlantic Ocean]

1988 Globorotalia increbescens Bandy. - Poore & Bybell : p.18 pl. 4; fig. 1-2 [middle Eocene, Core ACGS#4, New Jersey]

1994 Turborotalia increbescens Bandy. - Nishi & Chaproniere : p.260 pl. 4; fig. 7-9 [lower Oligocene Zone P 18, ODP Hole 841B, Tonga Trench, South Pacific Ocean]

2006 Turborotalia increbescens Bandy. - Pearson et al. : p.448 pl. 15.6; fig. 1-15 (Pl. 15.6, Figs. 1-3: new SEMs of holotype of Globigerina increbescens Bandy)

References:

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

Bandy,O.L. (1949):
Eocene and Oligocene foraminifera from Little Stave Creek, Clarke County, Alabama . Bulletins of American paleontology Vol. 32 p. 1-211

Subbotina,N.N. (1953):
Iskopaemye foraminifery SSSR (Globigerinidy, Khantkenininidy i Globorotaliidy) . Trudy Vsesoyznogo Nauchno-Issledovatel'skogo Geologo-razvedochnogo Instituta (VNIGRI) Vol. 76 p. 296

Khalilov,D.M. (1956):
O pelagicheskoy faune foraminifer Paleogenovykh otlozheniy Azerbaydzhana . Trudy Instituta Geologii, Akademiya Nauk Azerbaydzhanskoy SSR Vol. 17

Blow,W.H. and Banner,F.T. (1962):
The Mid-Tertiary (Upper Eocene to Aquitanian) Globigerinaceae.
In: Fundamentals of Mid‑Tertiary Stratigraphical Correlation Eds: Eames, F.E.Banner, F.T.Blow, W.H.Clarke, W.J. p. 61‑151

Blow,W.H. (1969):
Late middle Eocene to Recent planktonic foraminiferal biostratigraphy.
In: Proceedings of the First International Conference on Planktonic Microfossils, Geneva 1967 Vol. 1 Eds: Bronnimann, P.Renz, H.H. p. 199-422

Toumarkine,M. (1978):
Planktonic Foraminiferal Biostratigraphy of the Paleogene of Sites 360 to 364 and the Neogene of Sites 362A, 363, and 364 Leg 40.
In: Initial Results of the Deep Sea Drilling Project Vol. 40

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

Snyder,S.W. and Waters,V.J. (1985):
Cenozoic planktonic foraminiferal biostratigraphy of the Goban Spur region.
In: Deep Sea Drilling Project Vol. 80

Poore,R.Z. and Bybell,L.. (1988):
Eocene to Miocene biostratigraphy of New Jersey Core ACGS # 4: Implications for regional stratigraphy . U. S. Geological Survey Bulletin 1829 p. 1-22

Spezzaferri,S. and Silva,I.S.. (1990):
Oligocene planktonic foraminiferal biostratigraphy and paleoclimatic interpretation from Hole 538A, DSDP Leg 77, Gulf of Mexico . Palaeogeography, Palaeoclimatology, Palaeoecology Vol. 83 p. 217-263

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

Nishi,H.. and Chaproniere,G.C.H. (1994):
Eocene-Oligocene subtropical planktonic foraminifers at Site 841.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 135 Eds: Hawkins, J..Parson, L..Allan, J..others p. 245-266

Pearson,P.N.; Olsson,R.K.; Hemleben,C.; Huber,B.T. and Berggren,W.A. (2006):
Atlas of Eocene Planktonic Foraminifera. p. 1-513

Anonymous: Unedited TaxonConcept data

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