Arraia n. gen.

Type species. Arraia nelmae n. sp.

Definition. Setae eight per segment, closely paired. One gizzard in VI. Esophagus with extramural calciferous glands in segment IX. Holandric and holonephridial. Last hearts in XI. Male pores in XVII. Prostatic pore and tubular prostates in XVII. Adiverticulate spermathecae in IX.

Etymology. The genus name is derived from the name of Arraial Bay, one of the places in the coastal region where individuals were collected.