نتایج جستجو برای: ostracods
تعداد نتایج: 447 فیلتر نتایج به سال:
a r t i c l e i n f o Keywords: Lake Malawi Ostracoda Lake levels Climate change Ostracod species from at least seven genera were recovered from drill cores recently collected at Lake Malawi, a large (29,500 km 2) and deep (706 m) African rift valley lake located in the southern African tropics (9–14° S). Allocypria? and an unknown Cypridosine. Taphonomic variables such as the percentage of val...
We present an updated checklist of non-marine ostracods from Italy. Data were obtained from the published literature up to April 2013 and new collections carried out in 18 out of 20 Italian regions. Altogether, 1665 ostracod samples were collected from 1241 new sites visited between 1981 and 2013. Sites were selected to encompass the most widespread types of freshwater aquatic habitats (i.e., p...
Uncoupling between molecular and morphological evolution is common in many animal and plant lineages. This is especially frequent among groups living in ancient deep lakes, because these ecosystems promote rapid morphological diversification, and has already been demonstrated for Tanganyika cychlid fishes and Baikal amphipods. Ostracods are also very diverse in these ecosystems, with 107 candon...
The Triassic was a turning in the history of biodiversity: bracketed by two major biotic crises, characterised biotic, climatic and tectonic events, it saw transition from Palaeozoic to Modern evolutionary faunas. Herein, we propose first synthetic analysis diversity marine brackish-water ostracods over entire Triassic, light palaeoecological, palaeoenvironmental palaeogeographical contexts. Al...
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