Echiodon prionodon Parmentier 2012, sp. nov.

• Main Author: Parmentier, Eric
• Format: Other/Unknown Material
• Language: unknown
• Published: 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Actinopterygii; Ophidiiformes; Carapidae; Echiodon; Echiodon prionodon; New Zealand; White Island; Fang; Bay of Plenty; The Fang
• Online Access: https://zenodo.org/record/3859003; https://doi.org/10.5281/zenodo.3859003

Echiodon prionodon sp. nov. urn:lsid:zoobank.org:act: 44A01315-F569-4553-B342-69C5D1C51ACF Figs 1-4 Diagnosis A species of Echiodon, with a serrated posterior margin on the fangs, expanded thoracic plates on some abdominal vertebrae, PCV 33–35, D 30 42–45, A 30 40–41. Etymology From the Greek priôn meaning saw, and odous (odon) meaning tooth, in reference to the unique morphology of the fang at the tip of the jaw. Type material Holotype Ƌ, 165 mm TL, in NMNZ (P.041833), RV Tangaroa, sta. TAN 0413/119, 13 Nov. 2004. Paratypes NMNZ P.003281 (97 mm TL), off Kapiti Island, 40°51.0’S – 174°52.0’E, Fred Abernethy, 37 m, Apr. 1958, badly cleared and stained specimen; NMNZ P.052493 (57+ mm, anterior portion only), outer North Taranaki Bight, RV Tangaroa, sta. TAN 1105/137, 38°26.70’S – 173°18.97’E, 170-240 m epibenthic sled, 5 Apr. 2011. Type locality Off White Island, outer Bay of Plenty, New Zealand, 37° 33.57’S – 176° 59.1-58.8’E, 313 m bottom trawl. Description Selected counts and measurements are given in Table 1 and the holotype is shown in Figure 1. Body slender, much higher than wide, tapering into a pointed tail; greatest body depth (at anus) approximately 5% of total length; no caudal fin; dorsal fin origin posterior to anal fin origin, anus ends in a tube at half length of the pectoral fin. Dorsal profile of head slightly convex. Snout rounded in lateral view, slightly projecting beyond upper jaw. Olfactory lobe approximately 70% of snout length, closer to the eye than to the snout tip; anterior nostril developed in a small tube; posterior nostril directly in front of anterior margin of eye, elliptical, being higher than long. Eye elongate, longer than high. Mouth oblique, upper jaw extending beyond posterior margin of eye; posterior portion of maxilla unsheathed. Anterior tip of lower jaw behind tip of snout, lower jaw occlusion with palatine bones. Short opercular spine exposed through an elliptical slit in skin. Gill opening extends from upper end of pectoral fin base to below rear end of maxillary. Seven ...