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Taxonomy, biostratigraphy, and phylogeny of Eocene Turborotalia


Pearson, Paul N.; Premec Fucek, Vlasta, Premoli Silva, Isabella
Taxonomy, biostratigraphy, and phylogeny of Eocene Turborotalia // Atlas of Eocene Planktonic Foraminifera / Pearson, Paul N ; Olsson, Richard K. ; Huber Brian T, ; Hemleben, Christoph ; Berggren, William A. (ur.).
Lawrence, Kansas, U.S.A.: Cushman Foundation of Foraminiferal Research - Special publication NO. 41, 2006. str. 433-460


Naslov
Taxonomy, biostratigraphy, and phylogeny of Eocene Turborotalia

Autori
Pearson, Paul N. ; Premec Fucek, Vlasta, Premoli Silva, Isabella

Vrsta, podvrsta i kategorija rada
Poglavlja u knjigama, znanstveni

Knjiga
Atlas of Eocene Planktonic Foraminifera

Urednik/ci
Pearson, Paul N ; Olsson, Richard K. ; Huber Brian T, ; Hemleben, Christoph ; Berggren, William A.

Izdavač
Cushman Foundation of Foraminiferal Research - Special publication NO. 41

Grad
Lawrence, Kansas, U.S.A.

Godina
2006

Raspon stranica
433-460

ISBN
0-000-00000-0

ISSN
0070-2242

Ključne riječi
Turborotalia, Eocene, taxonomy, biostratigraphy

Sažetak
The taxonomy, phylogeny and biostratigraphy of Eocene Turborotalia is reviewed. A total of nine species are recognized as distinct, namely Turborotalia altispiroides Bermúdez, 1961, Turborotalia ampliapertura (Bolli, 1957), Turborotalia cerroazulensis (Cole, 1928), Turborotalia cocoaensis (Cushman, 1928), Turborotalia cunialensis (Toumarkine and Bolli, 1970), Turborotalia frontosa (Subbotina, 1953), Turborotalia increbescens (Bandy, 1949), Turborotalia pomeroli (Toumarkine and Bolli, 1970), and Turborotalia possagnoensis (Toumarkine and Bolli, 1970). We support the view of Samuel and Salaj (1968) and Toumarkine and Bolli (1970) that Turborotalia frontosa, an enigmatic species that evolved in the early Eocene, was the first true member of the genus. Despite having a more globular morphology, T. frontosa shares several characters with other members of the genus, including its pustulose wall which has a strong tendency to defoliate, and high arched aperture. There is also a complete morphological intergradation between T. frontosa and later species of the genus. Studies of wall texture and ontogeny (Hemleben and Olsson Chapter 4, this volume) reveal the similarity of neanic T. frontosa with adult Globanomalina australiformis, a high latitude species that first evolved in the late Paleocene. We hypothesize that T. frontosa evolved from Globanomalina australiformis by the heterochronic process of hypermorphosis, and hence include Turborotalia in the Family Hedbergellidae.

Izvorni jezik
Engleski



POVEZANOST RADA


Profili:

Avatar Url Vlasta Premec-Fuček (autor)

Citiraj ovu publikaciju

Pearson, Paul N.; Premec Fucek, Vlasta, Premoli Silva, Isabella
Taxonomy, biostratigraphy, and phylogeny of Eocene Turborotalia // Atlas of Eocene Planktonic Foraminifera / Pearson, Paul N ; Olsson, Richard K. ; Huber Brian T, ; Hemleben, Christoph ; Berggren, William A. (ur.).
Lawrence, Kansas, U.S.A.: Cushman Foundation of Foraminiferal Research - Special publication NO. 41, 2006. str. 433-460
Pearson, P. & Premec Fucek, Vlasta, Premoli Silva, Isabella (2006) Taxonomy, biostratigraphy, and phylogeny of Eocene Turborotalia. U: Pearson, P., Olsson, R., Huber Brian T, ., Hemleben, C. & Berggren, W. (ur.) Atlas of Eocene Planktonic Foraminifera. Lawrence, Kansas, U.S.A., Cushman Foundation of Foraminiferal Research - Special publication NO. 41, str. 433-460.
@inbook{inbook, year = {2006}, pages = {433-460}, keywords = {Turborotalia, Eocene, taxonomy, biostratigraphy}, isbn = {0-000-00000-0}, issn = {0070-2242}, title = {Taxonomy, biostratigraphy, and phylogeny of Eocene Turborotalia}, keyword = {Turborotalia, Eocene, taxonomy, biostratigraphy}, publisher = {Cushman Foundation of Foraminiferal Research - Special publication NO. 41}, publisherplace = {Lawrence, Kansas, U.S.A.} }