The pterosaurs were a diverse group of Mesozoic flying reptiles that underwent a body plan
reorganization, adaptive radiation, and replacement of earlier forms midway through their …

A study on the most exhaustive taxonomic sample of amniotes (75 extant and nine extinct
taxa) of any quantitative work on this topic published so far demonstrates a strong …

Three possible hypotheses could explain the polarity of the histological features of basal
archosauriform and archosauromorph reptiles: either, the fibrolamellar complex is basal; or …

Ornithischian dinosaurs are one of the most taxonomically diverse dinosaur clades during
the Mesozoic, yet their origin and early diversification remain virtually unknown. In recent …

This book focuses on the first vertebrates to conquer land and their long journey to become
fully independent from the water. It traces the origin of tetrapod features and tries to explain …

The clade Archosauria contains two very different sister groups in terms of diversity (number
of species) and disparity (phenotypic variation): Crurotarsi (taxa more closely related to …

Bone microanatomy appears to track changes in various physiological or ecological
properties of the individual or the taxon. Analyses of sections of the tibia of 99 taxa show a …

Phylonyms is an implementation of PhyloCode, which is a set of principles, rules, and
recommendations governing phylogenetic nomenclature. Nearly 300 clades-lineages of …

Among the fossilised ontogenetic series known for tetrapods, only more basal groups like
temnospondyl amphibians have been used extensively in developmental studies, whereas …

Abstract Vancleavea campi Long & Murry, 1995, from the Late Triassic of western North
America, represents the latest surviving non-archosaurian archosauriform known to date …