Heterospio aruba new species Figure 4 urn:lsid:zoobank.org:act: AF37BD81-964C-4E9B-B56C-36A5771C9BFF Material examined. (3 specimens) Caribbean Sea, off Island of Aruba, R / V Alpha Helix, Cruise CARIB I, Sta. ND-16, 26 Jun 1977, dredge, 12.506°N, 70.045°W, 30 m, holotype (USNM 1673074), 2 paratypes (USNM 1673075). Description. All three specimens incomplete. Body elongate, narrow; fragments with 11–13 setigers, nine anterior thoracic setigers with first eight crowded, each about four times wider than long, followed by an elongated setiger 9 about 3.5 times longer than each of first eight setigers (Fig. 4A–B). Following abdominal segments each about as long as entire thoracic region. Thoracic segments 1–9 with typical dorso-lateral setal fascicles confined to localized parapodia; these transitioning from setiger 10 to abdominal segments where setae arise from long transverse parapodia resulting in broad cincture-like fascicles or rows mostly surrounding anterior margin of each segment, with dorsal and ... : Published as part of Blake, James A. & Maciolek, Nancy J., 2023, New species and records of Heterospio (Annelida, Longosomatidae) from continental shelf, slope and abyssal depths of the Atlantic Ocean, Pacific Ocean, Indian Ocean and adjacent seas, pp. 1-74 in Zootaxa 5260 (1) on pages 14-16, DOI: 10.11646/zootaxa.5260.1.1, http://zenodo.org/record/7794920 ...