Sinemurian gastropods from Monte Cucco (Umbria-Marche Apennines, Central Italy)

被引：3
作者：
Fischer, JC
Rosati, F
Raffi, S
机构：
[1] Museum Natl Hist Nat, Lab Paleontol, F-75005 Paris, France
[2] Univ Bologna, Dipartimento Sci Terra, I-40126 Bologna, Italy
来源：
GEOBIOS | 2002年 / 35卷 / 04期
关键词：
gastropods; Central Italy; palaeobiogeography; palaeoecology; palaeontology; sinemurian; Western Tethys;
D O I：
10.1016/S0016-6995(02)00039-6
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
Recent researches carried out in the uppert part of the "Calcare Massiccio" formation of Monte Cucco allowed to recover a rich Sinemurian fauna of gastropods, bivalves, brachiopods, ammonoids and some solitary corals. The gastropod fauna is greatly dominant and includes 18 species which belong to the superfamilies Pleurotomarioidea, Fissurelloidea, Amberleyoidea, Neritoidea, Loxonematoidea, Cerithioidea, Nerineoidea, Littorinoidea and Acteonoidea. Ten species of gastropods are here described for the first time. This fauna shows a marked affinity with that of the Sinemurian of Sicily. Under a paleoecological point of view, it is indicative of free marine conditions, in photic zone but under a weak hydrodynamism, and therefore may suggests the reference to a deep infralittoral or upper circalittoral environment. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
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页码：441 / 456
页数：16
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