<em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE

A new subspecies of Neogloboquadrina atlantica atlantica previously reported under different names, is here distinguished and named Neogloboquadrina atlantica praeatlantica. Its first occurrence into the Mediterranean dated at 11.78 Ma, is not evolutionary appearance but is related to a global clima...

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Main Authors: LUCA M. FORESI, SILVIA M. IACCARINO, GIANFRANCO SALVATORINI
Format: Article
Language:English
Published: Milano University Press 2002-07-01
Series:Rivista Italiana di Paleontologia e Stratigrafia
Online Access:https://riviste.unimi.it/index.php/RIPS/article/view/5479
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author LUCA M. FORESI
SILVIA M. IACCARINO
GIANFRANCO SALVATORINI
author_facet LUCA M. FORESI
SILVIA M. IACCARINO
GIANFRANCO SALVATORINI
author_sort LUCA M. FORESI
collection DOAJ
description A new subspecies of Neogloboquadrina atlantica atlantica previously reported under different names, is here distinguished and named Neogloboquadrina atlantica praeatlantica. Its first occurrence into the Mediterranean dated at 11.78 Ma, is not evolutionary appearance but is related to a global climatic cooling which pushed southwards from high latitude this taxon; however, the area of its evolutionary appearance is not clearly defined; its extinction occurs within the Globigerinoides obliquus extremus Zone. N. atlantica atlantica which evolves from N. atlantica praeatlantica occurs in the Mediterranean at 11.15 Ma, just after the Mediterranean exit of Paragloborotalia siakensis (Le Roy).
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spelling doaj.art-40cb57d570674a68b5f57251e154f6172023-09-03T00:10:59ZengMilano University PressRivista Italiana di Paleontologia e Stratigrafia0035-68832039-49422002-07-01108210.13130/2039-4942/54794795<em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENELUCA M. FORESISILVIA M. IACCARINOGIANFRANCO SALVATORINIA new subspecies of Neogloboquadrina atlantica atlantica previously reported under different names, is here distinguished and named Neogloboquadrina atlantica praeatlantica. Its first occurrence into the Mediterranean dated at 11.78 Ma, is not evolutionary appearance but is related to a global climatic cooling which pushed southwards from high latitude this taxon; however, the area of its evolutionary appearance is not clearly defined; its extinction occurs within the Globigerinoides obliquus extremus Zone. N. atlantica atlantica which evolves from N. atlantica praeatlantica occurs in the Mediterranean at 11.15 Ma, just after the Mediterranean exit of Paragloborotalia siakensis (Le Roy).https://riviste.unimi.it/index.php/RIPS/article/view/5479
spellingShingle LUCA M. FORESI
SILVIA M. IACCARINO
GIANFRANCO SALVATORINI
<em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE
Rivista Italiana di Paleontologia e Stratigrafia
title <em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE
title_full <em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE
title_fullStr <em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE
title_full_unstemmed <em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE
title_short <em>NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA</em>, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE
title_sort em neogloboquadrina atlantica praeatlantica em new subspeciesfrom late middle miocene
url https://riviste.unimi.it/index.php/RIPS/article/view/5479
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AT gianfrancosalvatorini emneogloboquadrinaatlanticapraeatlanticaemnewsubspeciesfromlatemiddlemiocene