Excretory portions of anterior coelomoducts close to each other, almost median, in a single sac formed by the wall of the 'ventral' blood-vessel. Spermatophores leaf-shaped.
Source: Knight-Jones and Ryland, 1990.
The following taxa of this order occur in the region:
Family Sclerolinidae
Genus Sclerolinum
Sclerolinum brattstromi