Ceratonereis undefined-2

Ceratonereis sp. 2 Fig. 3 C, D Material examined. MZB.Pol.00318 (1 specimen), collected by Joko Pamungkas on 19 December 2017 from Barrang Lompo Island: Barrang Lompo Village, Sangkarrang Island District, Makassar City, South Sulawesi Province (5°02'45.7"S, 119°19'43.4"E). Diagnosis. Single specimen incomplete. Body color in alcohol cream, lacking pigmentation pattern of Ceratonereis sp. 1, tapering posteriorly to approximately chaetiger 6. Prostomium with anterior margin deeply indented. Four black eyes present, arranged obliquely with distance between anterior eyes wider than that between posterior ones. Anterior eyes egg-shaped and chipped anteriorly; posterior eyes roughly circular. Antennae subulate, as long as palps. Palps biarticulated with cylindrical palpophores and rounded palpostyles. Peristomium length shorter than that of chaetiger 1. Four pairs of articulated peristomial cirri with distinct cirrophores present (most cirri broken). Paragnaths present on maxillary ring only. Dorsal cirri broken. Notochaetae without homogomph falcigers; sesquigomph falcigers and sesquigomph spinigers present. Distribution and habitat. The species was obtained from South Sulawesi, Indonesia, inhabiting intertidal sandy shore with reefs. Remarks. With Ceratonereis sp. 1, more specimens and comparative material are required to confirm the identity of the present species.