Usually earthworms have two or more pairs of spermathecal pores, however in some species may be absent. Spermathecal pores are generally located on inter-segmental groove in ventral or latero-ventral position.

Fig: View of Microphotograph of spermathecal pores in: A. Perionyx sansibaricus (mid-ventral line); B. Polypheretima elongata (latero-ventral); C. Barogaster prashadi (latero-ventral)