Results 11 to 20 of about 26,555 (186)

Divergent evolution of terrestrial locomotor abilities in extant Crocodylia [PDF]

open access: yesScientific Reports, 2019
Extant Crocodylia are exceptional because they employ almost the full range of quadrupedal footfall patterns (“gaits”) used by mammals; including asymmetrical gaits such as galloping and bounding.
John R Hutchinson   +2 more
exaly   +5 more sources

The effects of cryptic diversity on diversification dynamics analyses in Crocodylia [PDF]

open access: yesProceedings of the Royal Society B: Biological Sciences
Incomplete taxon sampling due to underestimation of present-day biodiversity biases diversification analysis by favouring slowdowns in speciation rates towards the recent time. For instance, in diversification dynamics studies in Crocodylia, long-term low net-diversification rates and slowdowns in speciation rates have been ...
Gustavo Darlim, Sebastian Höhna
exaly   +5 more sources

Phylogenetic analysis of a new morphological dataset elucidates the evolutionary history of Crocodylia and resolves the long-standing gharial problem [PDF]

open access: yesPeerJ, 2021
First appearing in the latest Cretaceous, Crocodylia is a clade of semi-aquatic, predatory reptiles, defined by the last common ancestor of extant alligators, caimans, crocodiles, and gharials.
Jonathan P. Rio, Philip D. Mannion
doaj   +4 more sources

Ocorrência da Icnoespécie Nihilichnus nihilicus Mikulás, Kadlecová, Fejfar & Dvorák (2006) em Vértebra de Crocodylia da Formação Solimões (Mioceno Superior da Bacia do Acre) [PDF]

open access: yesAnuário do Instituto de Geociências, 2020
Os aspectos icnológicos relacionados a substrato ósseo da Formação Solimões (Mioceno superior da Bacia do Acre) ainda são pouco conhecidos. Um estudo tafonômico recente dos fósseis desta unidade disponíveis no acervo do Museu de Ciências da Terra da ...
Enrico Dalmas Baggio Di Gregorio   +1 more
doaj   +4 more sources

Selection and trans-species polymorphism of major histocompatibility complex class II genes in the order Crocodylia. [PDF]

open access: yesPLoS ONE, 2014
Major Histocompatibility Complex (MHC) class II genes encode for molecules that aid in the presentation of antigens to helper T cells. MHC characterisation within and between major vertebrate taxa has shed light on the evolutionary mechanisms shaping the
Weerachai Jaratlerdsiri   +4 more
doaj   +2 more sources

Ontogenetic variability of the intertympanic sinus distinguishes lineages within Crocodylia

open access: yesJournal of Anatomy, 2023
International audienceAbstract The phylogenetic relationships within crown Crocodylia remain contentious due to conflicts between molecular and morphological hypotheses.
Gwendal Perrichon   +2 more
exaly   +4 more sources

A revision of the evolutionary relationships of Crocodylia [PDF]

open access: yes, 2021
First appearing in the latest Cretaceous, Crocodylia is a clade of mostly semi-aquatic, predatory reptiles, defined as all of the descendants of the last common ancestor of the extant alligators, caimans, crocodiles, and gharials.
Rio, Jonathan Paul
core   +3 more sources

Bone histology of Broad-snouted Caiman Caiman latirostris (Crocodylia: Alligatoridae) as tool for morphophysiological inferences in Crocodylia

open access: yesActa Herpetologica, 2021
Bone histology is an important tool for the interpretation of life patterns in animals of the past and extant fauna. The crocodylians have been studied as important inferential models for morphophysiological characteristics.
Paulo Mascarenhas-Junior   +2 more
doaj   +2 more sources

Structure and evolution of the embryonic cartilaginous skull of crocodilians [PDF]

open access: yesRoyal Society Open Science
The evolution of skull diversity in Crocodylia is rather well documented, but the developmental foundation of their cranial architecture remains poorly understood. Here, we present the first three-dimensional reconstruction of the embryonic cartilaginous
María Victoria Fernandez Blanco   +1 more
doaj   +2 more sources

Cocodrilos (Archosauria: Crocodylia) de la región neotropical

open access: yesBiota Colombiana, 2000
Crocodylia [Gmelin, 1789], originalmente Crocodili, es un orden con distribución circuntropical, aunque algunas especies actualmente ocupan áreas cálidas de la zona temperada. Los cocodrilos vivientes tienen sus ancestros en los protosuchios del triásico
Miguel A. Rodríguez M.
doaj   +10 more sources

Home - About - Disclaimer - Privacy