SERRULA BYRONENSIS SP. NOV.

Diagnoses: Serrula byronensis: species of Serrula with an unpaired seminal vesicle, a prepenial vagina, and a copulatory bursa. The needles are pointed: 14-Mm long, and 5–6-Mm wide at the base. The precerebral diverticle ends at the statocyst.

Occurrence: Serrula byronensis: Byron Bay, Australia (New South Wales); exposed intertidal at Tallum Beach, mid-fine sand (October 1993).