Suraqalatia brasieri n.gen., n.sp (larger foraminifera) from the Maastrichtian of Sulaimani area in northern Iraq

Gormus M., Lawa F. A. A., Al Nuaimy Q. A. M.

ARABIAN JOURNAL OF GEOSCIENCES, cilt.10, sa.16, 2017 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 10 Sayı: 16
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1007/s12517-017-3145-3
  • Dergi Adı: ARABIAN JOURNAL OF GEOSCIENCES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Anahtar Kelimeler: Suraqalatia brasieri n.gen.,n.sp., Maastrichtian, Foraminifera, Dicyclinidae, North Iraq, ZAGROS
  • Ankara Üniversitesi Adresli: Evet

Özet

Suraqalatia brasieri n.gen., n.sp. from the family Dicyclinidae Loeblich and Tappan 1964 occurs on the Maastrichtian carbonate platform of northern Iraq. The new genus is recognizable by its large very compressed conical test, up to 55-70 mm in diameter, to 0.3-1.6 mm in thickness, planspiral cooling having very small proloculus in the initial part and later circular chambers including numerous chamberlets with an agglutinated wall. Suraqalatia brasieri n.gen., n.sp. is associated with textulariids, miliolids and rotaliids as Loftusia elongata Cox, L. morgani Douville, Orbitoides medius d'Archiac, O. megaloformis Papp & Kupper, O. gruenbachensis Papp, O. apiculatus Schlumberger, Omphalocyclus macroporus (Lamarck), Siderolites calcitrapoides Lamarck, Sirtina orbitoidiformis Brnnimann & Wirz. The associated macrofauna comprises large and rich giant rudists (Preradiolites sp.), other bivalves (Gryphaea sp. and Glycymeris sp.), gastropods (Acteonella sp.), echinoderms and corals. The fauna indicates shallow marine carbonate platform conditions within the Maastrichtian green house. It is also worth mentioning that the new genus has only been recorded from the Maastrichtian age.