Posts Tagged ‘ingroup clades’

A New Snake Skull from the Paleocene of Bolivia Sheds Light on the Evolution of Macrostomatans

Macrostomatan snakes, one of the most diverse extant clades of squamates, display an impressive arsenal of cranial features to consume a vast array of preys. In the absence of indisputable fossil representatives of this clade with well-preserved skulls, the mode and timing of these extraordinary morphological novelties remain obscure. Here, we report the discovery of […]