Total number of species in genus: 165.
Type species: Haematopinus acanthopus (Burmeister, 1838) *.
Hosts: Rodentia (Muridae —Arvicolinae, Cricetinae, Dendromurinae, Gerbillinae, Murinae, Sigmodontinae— Echimyidae, Octodontidae, Sciuridae); Lagomorpha (Ochotonidae).
Distribution: Cosmopolitan, except Antarctica.