Eight new Liphistius species, L. erawan from western Thailand, L. tenu
is, L. nesioticus from southeastern Thailand and L. dangrek, L. suwat,
L. thoranie, L. pusohm, and L. onoi from northeastern Thailand, are d
escribed together with the male of L. ochraceus Ono and Schwendinger.
Natural history, zoogeography and relationships between species are di
scussed. Two superspecies are distinguished. (C) The Norwegian Academy
of Science and Letters