Biography
Zeferino Vaz, Brazilian helminthologist (São Paulo 27 May 1908 – São Paulo 09 February 1981)
Authored about 70 works
With C. Pereira developed a simple and rapid process for in toto-mounting of nematodes in balsam (1934) and a technique for staining parasites
DESCRIBED HELMINTH GENERA
Trematoda
Parahemiurus 1930 with Pereira
Travassosina 1932
Trematichthys 1932
Witenbergia 1932
Nematoda
Ackertia 1934
Hempelia 1936
Paraleiurus 1929 with Pereira
HONORS
Zefevazia Martínez 1954 (Coleoptera)