BENTHIC FORAMINIFERA AND OSTRACODA FROM MIDDLE-UPPER MIOCENE SEQUENCES OF SOUTHERN ECUADOR

被引：2

作者：

Martinez-Garcia, Blanca ^{[1
,2
]}

Corrochano, Diego ^{[3
]}

Suarez-Hernando, Oier ^{[1
]}

Solis-Alulima, Byron

Suarez-Bilbao, Aitziber ^{[1
]}

Ordiales, Amaia ^{[2
]}

Murelaga, Xabier ^{[1
]}

机构：

[1] Univ Basque Country, EHU, Fac Ciencias & Tecnol, Dept Estratigrafia & Paleontol, B Sarriena S-N,Apartado 644, E-48080 Bilbao, Spain

[2] Univ Basque Country, EHU, SciGea Serv Apoyo Invest Geol & Div Cientifica, Zitek Leioa Edificio Rectorado, Planta Baja,Modulo 12, E-48080 Bilbao, Spain

[3] Univ Salamanca, Dept Didact Matemat & Ciencias Experiment, EU Magisterio, Campus Viriato, Zamora, Spain

来源：

AMEGHINIANA | 2017年 / 54卷 / 02期

关键词：

Ostracods; Middle-late Miocene; Marine influence; Southern Ecuador; NEOGENE; ANDES; QUATERNARY; CRUSTACEA; STRATIGRAPHY; TECTONICS; VOLCANISM; EVOLUTION; HISTORY;

D O I：

10.5710/AMGH.18.10.2016.2938

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

The debate regarding a possible marine influence during the middle-late Miocene in the Loja, Malacatos-Vilcabamba and CatamayoGonzanama Basins (southern Ecuador) continues. To shed light on this controversy, we present a detailed stratigraphic and micropaleontological (benthic foraminifers and ostracods) study of selected sections from these basins. The facies associations, together with the presence of several benthic foraminifer species from marginal marine and open-water environments and ostracod genera resistant to high salinity changes, verify a marine water influence and sporadic marginal marine conditions in this area during certain periods of the middle-late Miocene. Additionally, six new ostracod species are hereby described: Heterocypris ballentae, Cyprideis lojaensis, Cyprideis petersonae, Cyprideis pachamama, Cyprideis tumi and Cyprideis amaru.

引用

页码：177 / 207

页数：31

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