Heterospio paulolanai Blake & Maciolek 2023, new species ...

• Main Authors: Blake, James A., Maciolek, Nancy J.
• Format: Text
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Spionida; Longosomatidae; Heterospio; Heterospio paulolanai; South Atlantic Ocean
• Online Access: https://dx.doi.org/10.5281/zenodo.7798811; https://zenodo.org/record/7798811

Heterospio paulolanai new species Figure 13 urn:lsid:zoobank.org:act: 9D2C1C8E-4088-4EA7-B564-EAFB7B64AA2E Material examined . South Atlantic Ocean, Brazil, offshore São Paulo, Súeste IV, Sta. 6672 , coll. 14 Nov 1985, 24.735°S, 45.917°W, 69 m, mud and shell gravel, holotype (MZUSP 5588). Description . Holotype (MZUSP 5588) only specimen, incomplete with 12 setigers, long, narrow, 27 mm long, 1.0 mm wide across thoracic setigers, 0.8 mm wide across abdominal segments. Specimen with some segments (setigers 1, 9, and 11) damaged, partially dissected by a previous worker. Thoracic region with nine setigers, 1–8 short, 9 transitional, about 2.5 times as long as setiger 8 (Fig. 13A). Thoracic segments with defined dorso-lateral setal fascicles transitioning to abdominal segments with setae arising from broad cincture-like fascicles with rows of setae mostly surrounding anterior margin of each segment, but with wide dorsal and ventral gaps. Abdominal segments 10–12 very long, each longer than entire thoracic ... : 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 32-34, DOI: 10.11646/zootaxa.5260.1.1, http://zenodo.org/record/7794920 ...