Candido Firmino de Mello-Leitão, Brazilian zoologist (Campina Grande, Paraiba State 17 July 1886 – Rio de Janeiro 14 December 1948)

Worldwide recognized as one of the greatest arachnologists of his day

Authored 212 scientific papers, 117 popular papers, 15 medical papers and 18 popular books

DESCRIBED NEW TAXA 

Arachnida  

Genera

At least 416

Species

Over 450

Orthoptera

Genera

Anchocoema 1939

Cephaloscopia 1939

Dasylistroscelis 1940

Epsigrypa 1939

Isocarliella 1940

Nemoricultrix 1940

Coelenterata

Species

Cerianthus brasiliensis 1919

Amphibia

Genus

Fritziana 1937

HONORS

Melloleitanianus A. Mello Leitão 1955 (Pantopoda)

Melloa Roewer 1930 (Arachnida) 

Melloina Brignoli 1985 (Arachnida)  

Melloleitaoina Pikelin & Schiapelli 1960 (Arachnida)  

Melloicosa Roewer 1954 (Arachnida)

Subgenus Melloiella De Carlo 1935 (Hemiptera)

Eponym of Mello Leitao cardiorenal type (visceral polysteathosis) described in Da polisteatose visceral (1908)