Müller, M.I. & Adriano, E.A. & Oliveira, M.S.B. & Correa, L.L. (2022)
Integrative taxonomy suggests that South American freshwater nematodes Echinocephalus and their host stingrays co-originated in late Oligocene to early Miocene. Journal of Helminthology, 96, Article e68
DOI: 10.1017/s0022149x22000554