Results 41 to 50 of about 704 (85)

Disjoint geographical distribution of intertidal and nearshore benthic invertebrates in the Southern Hemisphere Distribuciones geográficas disyuntas de invertebrados bentónicos intermareales y del submareal somero en el Hemisferio Sur

open access: yesRevista Chilena de Historia Natural, 2000
Biogeographical explanations for the extant and paleo disjoint geographical distribution in the southern hemisphere of five species of nearshore marine benthic invertebrates: Gaimardia trapesina, Ostrea chilensis, Pyura stolonifera taxonomic complex ...
JUAN C CASTILLA, RICARDO GUIÑEZ
doaj  

Análisis tafonómico de los gasterópodos miocénicos de Cuba. Implicaciones paleobiogeográficas

open access: yesMinería y Geología, 2008
El léxico estratigráfico cubano establece correlaciones entre las formaciones geológicas miocénicas Paso Real (región occidental), Lagunitas y Los Arabos (región central) y el Miembro Baitiquirí de la Formación San Antonio en la región oriental de Cuba ...
Reinaldo Rojas-Consuegra   +1 more
doaj  

A Deinosuchus riograndensis (Eusuchia: Alligatoroidea) from Coahuila, North Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2014
Restos diagnósticos de Deinosuchus han sido descubiertos por primera vez en la Formación Aguja (Cretácico Tardío, Campaniano tardío) cerca del poblado de La Salada (Noroeste de Coahuila, México), y se describen aquí por primera vez.
Héctor E. Rivera-Sylva   +4 more
doaj  

El marco tectónico de la región caribeana y el recambio K/T de la fauna de mamíferos continentales de América del Sur [PDF]

open access: yes, 2011
De acuerdo con el registro fósil, durante el Cretácico Tardío-Paleoceno Temprano ocurrió un intercambio de vertebrados continentales(e.g., serpientes bóidas, dinosaurios, mamíferos) entre las Américas.
Ortiz Jaureguizar, Edgardo   +1 more
core  

Phylogeographic pattern of jenynsia multidentata (Cyprinodontiformes: Anablepidae) in the southern boundary of the Brazilian subregion, Argentina [PDF]

open access: yes, 2013
The Atlantic drainage basins are located in the southern Pampean area, in the southernmost part of the Brazilian subregion. Tectonic and paleoclimatic phenomena, occurring during the Quaternary, have currently isolated these basins from the present ...
Almirón, Adriana Edith   +3 more
core   +5 more sources

Foraminifera from organic-rich sediments: La Barca Formation, Upper Paleocene, Tierra del Fuego, República Argentina [PDF]

open access: yes, 2002
Se describen los foraminíferos de la Formación La Barca (Península Mitre, Isla Grande de Tierra del Fuego, Paleoceno superior), una secuencia granodecreciente rica en materia orgánica de 220 metros.
Carames, Andrea Alejandra   +1 more
core  

Evolution of the last koninckinids (Athyridida, Koninckinidae), a precursor signal of the early Toarcian mass extinction event in the Western Tethys [PDF]

open access: yes, 2015
Koninckinids are a suitable group to shed light on the biotic crisis suffered by brachiopod fauna in the Early Jurassic. Koninckinid fauna recorded in the late Pliensbachian–early Toarcian from the easternmost Subbetic basin is analyzed and identified as
Baeza Carratalá, José Francisco   +3 more
core   +2 more sources

Catálogo de los micromamíferos (Rodentia, Eulipotyphla, Chiroptera) del Cuaternario Superior Ibérico del Museu de Geologia de Barcelona, Spain [PDF]

open access: yes, 2007
The present catalogue represents an attempt to list Middle–Upper Pleistocene and Holocene micromammal material deposited in the Museu de Geologia de Barcelona, coming from 12 Iberian Peninsula localities (ten from Catalonia, one from Castilla y León and ...
Agustí Ballester, Jordi   +2 more
core  

New deep-water brachiopod resilient assemblage from the South-Iberian Palaeomargin (Western Tethys) and its significance for the brachiopod adaptive strategies around the Early Toarcian Mass Extinction Event [PDF]

open access: yes, 2017
The Pliensbachian-Toarcian transition was a period of changes in long-term environmental conditions leading up to the Early Toarcian Mass Extinction Event (ETMEE), which resulted in a noticeable extinction and turnover in the marine biota.
Baeza Carratalá, José Francisco   +2 more
core   +4 more sources

Home - About - Disclaimer - Privacy