Order of annelids
Opisthopora is an order of mostly terrestrial worms.[1][2]
It is an order of the subclass Oligochaeta, which is distinguished by meganephridiostomal, male pores which open posteriorly to the last testicular segment.[3] It includes the megadrile families of the mostly terrestrial true earthworms.[1] There are currently eight known families.[1]
Families
References