Tsukuba, Japan—Hexapods, which make up 75% of all animal species, have been a focus of evolutionary debate for over a century. No consensus has been reached on the phylogenetic relationships ...

This study presents fundamental findings on the evolution of extremely elongated mandibular symphysis and tusks in longirostrine gomphotheres from the Early and Middle Miocene of northern China. The ...

The retrolateral tibial apophysis (RTA) clade (Araneomorphae: Entelegynae), composing of more than 21,500 species in 31 families, is speciose and diverse, representing nearly 45% of the known ...