Skeletal Anatomy, Phylogenetic Relationships, and Paleoecology of the Eocene Urolophid Stingray Arechia Crassicaudata (Blainville, 1818) from Monte Postale (Bolca Lagerstätte, Italy)

In this paper we re-examine the taxonomy and systematic position of the Eocene stingrays from Bolca Lagerstatte which are traditionally assigned to Urolophus crassicaudatus (Blainville). The analys...