The two somite compartments, dorso-lateral dermomyotome and medio-ventral sclerotome
are major vertebrate novelties, but little is known about their evolutionary origin. We …

The origin of the notochord is a central issue in chordate evolution. This study examined the
development of the acorn worm pygochord, a putative homologue of the notochord …

Locomotion by tail beating powered by a system of bilateral paraxial muscle and notochord
is likely one of the key evolutionary innovations that facilitated the origin and radiation of …

Skeletal muscle derives from dorsal mesoderm that is formed during vertebrate gastrulation.
Fibroblast growth factor (Fgf) signalling is known to cooperate with transcription factors of the …

Phylogenetics emerged in the second half of the nineteenth century as a discipline
dedicated to constructing descriptive and explanatory narratives that traced the evolutionary …