Leodamas mucronatus, Blake, 2021

Blake, James A., 2021, New species and records of Orbiniidae (Annelida, Polychaeta) from continental shelf and slope depths of the Western North Atlantic Ocean, Zootaxa 4930 (1), pp. 1-123 : 62

Leodamas mucronatus new species

Figures 30–33

urn:lsid:zoobank.org:act:E8FEAF96-8C12-4148-B100-300C30D828A1

Scoloplos (Leodamas) sp. 3: Blake et al. 1987: 71, C-4, D-8; Blake & Grassle 1994: 855.

Figures

FIGURE 30. Leodamas mucronatus n. sp. Holotype (USNM 1622271): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end with pygidium, dorsal view; D, smaller ribbed neuropodial uncini and larger smooth spine from setigers 1–2; E, large ribbed uncini from thoracic setigers 3–16; F–H, upper and lower uncini from setiger 18; I–K, abdominal neuropodial acicula; L, furcate seta.

FIGURE 31. Leodamas mucronatus n. sp. Paratype (USNM 1622272): A, thoracic setiger 10, posterior view; B, thoracic setiger 16, posterior view. Holotype: (USNM 1622271): C, Abdominal setiger 30, posterior view (inset of acicula not to scale); D, far posterior setiger, posterior view.

FIGURE 32. Leodamas mucronatus n. sp. Paratype (USNM 1622272): A, anterior one-fourth of body, right lateral view; B, transition from thorax to abdominal segments, right lateral view, arrows denote subpodial lobes; C, anterior end, dorsal view; D, setigers 1–3, ventral view of neuropodial uncini.

FIGURE 33. Leodamas mucronatus n. sp. Paratype (USNM 1622272): A, middle thoracic setiger, B, neuropodial uncini, thoracic setiger 15; C, detail of barbed uncini; D, thoracic setiger 18, anterior view; E, same, close-up of neuropodium; F, detail of spine from setiger 18. All stained with Shirlastain A.