An alternative hypothesis concerning the paleoecological and paleoenvironmental
depositional conditions of the Crato Konservat-Lagerstätte (CKL), Crato Formation, Aptian …

Paleontological data obtained in recent years reinforce the hypothesis that Aptian marine
sedimentation in the sedimentary basins of the Brazilian continental margin-except the …

The fish faunas of continental South and Central America constitute one of the greatest
concentrations of aquatic diversity on Earth, consisting of about 10 percent of all living …

A Bacia do Araripe é composta por unidades estratigráficas associadas à fragmentação de
Gondwana e abertura do Atlântico Sul. O registro do Andar Alagoas (Aptiano superior …

Abelisauroid predators have been recorded almost exclusively from South America, India
and Madagascar, a distribution thought to document persistent land connections exclusive …

Abstract Geckos in the Western Hemisphere provide an excellent model to study faunal
assembly at a continental scale. We generated a time‐calibrated phylogeny, including …

Suprafamilial relationships among characiform fishes and implications for the taxonomy and
biogeographic history of the Characiformes were investigated by parsimony analysis of four …

Ratites are large, flightless birds and include the ostrich, rheas, kiwi, emu, and cassowaries,
along with extinct members, such as moa and elephant birds. Previous phylogenetic …

Although Africa was south of the Tethys Sea and originally belonged to the Gondwana, its
paleobiogeographical history appears to have been distinct from those of both Gondwana …

The African clawed frogs (Silurana and Xenopus), model organisms for scientific inquiry, are
unusual in that allopolyploidization has occurred on multiple occasions, giving rise to …