Quantitative Data on the Relationship between the Orbitoides Genus and its Environment

• Muhittin Görmüs ^[1]
  1. [1] Akdeniz University

     Akdeniz University

     Turquía

     
• Localización: Revista española de micropaleontología, ISSN 0556-655X, Vol. 24, Nº. 3, 1992, págs. 13-26
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • A special biometric study of the larger Orbitoides collected from various substrates (claystones to siltstones, limestones and sandstones) in the Hekimhan and Darende areas, NW and E Malatya, Turkey, indicate that particular external and internal features of the changed with time and environment, especially water depth. Size of the embryo, the number of auxiliary chambers, peri-embryonic chambers and the average thickness of the embryonic wall were greatest in the sandstone substrate (fore-reef to basin deposits) while thickness of the was least in such substrates.