(animals) > Bilateria > Ecdysozoa > Panarthropoda > Tritocerebra >
Arthropoda > Arachnomorpha > Cheliceriformes > Chelicerata > Euchelicerata
> Arachnida > Scorpiones
> Superfamily: Scorpionoidea
> Family: Liochelidae
Grootvadersbosch, Western Cape. [image N.
Opisthacanthus occurs in
the Caribbean, central and South America, Africa and Madagascar. The subgenus Opisthacanthus
is restricted to the Caribbean, central and South America with one species
occurring in West Africa. The southern African and Malagasy species are in need of revision and
to the subgenus Nepabellus.
arboreal and occurs commonly in moist habitats such as dense bush and
forests, under loose bark and even rocks and is commonly found with Uroplectes
(Buthidae). Opisthacanthus has not
yet been found on the Cape Peninsula and should anyone find one, please contact Norman
Opisthacanthus scorpions are dorsoventrally compressed but
not to same extent as Hadogenes. They are dark brown to black in colour
greenish when uncovered which may be related to its integument fluorescing
under ultraviolet light. The tail is approximately equal in length to the trunk,
round in cross section compared with the flattened
tail of Hadogenes and the chelae are more robust.