"Under surface of skull and arches of skate. l.1, First labial cartilage; R., rostrum; tr., trabecular region; n.c., nasal capsule; a.o., antorbital cartilage; p.pt.q., palato-pterygo-quadrae; M.c., Meckel's cartilage; h.m., hyo-mandibular; h.br.1-5, hypobranchials; c.br.5, fifth ceratobranchial; c.h., cerato-hyal; l.2-4, labial cartilages." -Thomson, 1916

Skate Skull

"Under surface of skull and arches of skate. l.1, First labial cartilage; R., rostrum; tr., trabecular…