Bony fishes are the principal group of backboned animals in contemporary aquatic settings.
Extant species are the focus of a vigorous program of macroevolutionary research, but …

The remodeling of the compact wall by incorporation of trabecular myocardium, referred to
as compaction, receives much attention because it is thought that its failure causes left …

Rich fossil evidence suggests that many traits and functions related to terrestrial evolution
were present long before the ancestor of lobe-and ray-finned fishes. Here, we present …

Scientific practices stemming from colonialism, whereby middle-and low-income countries
supply data for high-income countries and the contributions of local expertise are devalued …

The origin and early diversification of jawed vertebrates involved major changes to skeletal
and soft anatomy. Skeletal transformations can be examined directly by studying fossil stem …

Herein, we consider the heart as an organ whose task is to supply blood flow to the tissues.
A brief section on the form and function of the heart sets the stage for more detailed sections …

Geologic events related to the opening of the South Atlantic Ocean deeply influenced the
sedimentary record of the Araripe Basin. As consequence, upper stratigraphic units of the …

ABSTRACT The Aptian Crato Konservat-Lagerstätte is renowned for its exceptionally
preserved fossils in lacustrine laminated limestones. Although previous works on this site …

The insect fossils recorded in the lithographic limestones of the Crato Formation (Aptian of
the Araripe Basin, Brazil) have a high degree of morphological fidelity of external and …

Soft-tissue preservation provides palaeobiological information that is otherwise lost during
fossilization. In Brazil, the Early Cretaceous Santana Formation contains fish with …