“…1 F,G, 3 D-F Mackin, 1927, D. houdemeri Hsü, 1933, D. ophidensis Brackett, 1938, D. doi Chabaud, 1960and D. alii Deshmukh, 1969with D. oesophageus, mentioning that D. coluberensis Deshmukh, 1969 is apparently a representative of the order Filariata; an additional species, D. riccii Deshmukh, 1970, has been described since. However, most of these species are dealt with as valid by subsequent authors (e.g., Muller 1971, Vaucher and Bain 1973, Baker 1987. Of them, D. globocephalus is the only species parasitic in turtles, whereas all the remaining species occur in snakes.…”