Ophiactis resiliens (Mills, V. Sadie & O'Hara, Timothy D. 2013)
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Ordo: Ophiurida
Familia: Ophiactidae
Genus: Ophiactis
Name
Ophiactis resiliens Lyman, 1879 – Wikispecies link – Pensoft Profile
- Ophiactis resiliens Mills, V. Sadie, 2013, Zootaxa 3613: 421-421.
Description
Ophionereis schayeri.—Benham, 1909: 105 [Non Ophionereis schayeri (Müller J & Troschel F H, 1844); see Mortensen, 1924]. Ophiactis nomentis Farquhar, 1907: 125 –126.—Benham, 1909: 105.—Clark, H.L., 1915 a: 264, pl. 11 (1–2).—Clark, H.L., 1918: 312 [synonymised by Mortensen, 1924]. Ophiactis savignyi.—Koehler, 1930: 122–123 (in part) [Non Ophiactis savignyi (Müller J & Troschel F H, 1842); see O'Hara, 1998]. Ophiactis symbiota.— Baker, 1979: 39–40.
Materials Examined
Material Examined. Bay of Islands. KAH0907/ 194, NIWA 58520 (31). KAH0907/ 195, NIWA 58521 (8). KAH0907/ 211, NIWA 58429 (1). KAH0907/ 239, NIWA 58432 (5). KAH0907/ 240, NIWA 58433 (5). TAN0906/ 2, NIWA 54393 (8); NIWA 77852 (19). TAN0906/ 3, NIWA 54486 (1); NIWA 54518 (30). TAN0906/ 21, NIWA 54693 (10); NIWA 54703 (1); NIWA 54698 (20); NIWA 54694 (1); NIWA 54696 (2); NIWA 54692 (20); NIWA 54640 (2); NIWA 54702 (2); NIWA 54695 (5). TAN0906/ 25, NIWA 54779 (20); NIWA 54777 (3). TAN0906/ 30, NIWA 54849 (1); NIWA 54835 (1); NIWA 54846 (1). TAN0906/ 57, NIWA 55139 (5). TAN0906/ 60, NIWA 77851 (42); NIWA 77730 (1). TAN0906/ 96, NIWA 55647 (333). TAN0906/ 99, NIWA 55685 (1); NIWA 55686 (1); NIWA 55684 (1); NIWA 55681 (7). TAN0906/ 102, NIWA 55738 (1). TAN0906/ 105, NIWA 55782 (11). TAN0906/ 143, NIWA 56285 (5). TAN0906/ 170, NIWA 77731 (1); NIWA 56994 (15). TAN0906/ 205, NIWA 77732 (1). TAN0906/ 235, NIWA 57389 (3). TAN0906/ 240, NIWA 77729 (1). East Coast North Island. TAN 1108 / 179, NIWA 75060 (88). TAN 1108 / 187, NIWA 75135 (2). TAN 1108 / 197, NIWA 75214 (174). TAN 1108 / 213, NIWA 75344 (18). TAN 1108 / 217, NIWA 75392 (23). TAN 1108 / 232, NIWA 75422 (6). TAN 1108 / 239, NIWA 75488 (3). TAN 1108 / 250, NIWA 77733 (4). TAN 1108 / 253, NIWA 77736 (23). TAN 1108 / 268, NIWA 75640 (232). Far North. TAN0906/ 154, NIWA 56570 (1); NIWA 56512 (1); NIWA 56521 (5). Otago. TAN 1108 / 66, NIWA 77813 (20); NIWA 77797 (1). Stewart Island. TAN 1108 / 77, NIWA 77774 (12). Three Kings Islands. TAN 1105 / 35, NIWA 73156 (100). TAN 1105 / 42, NIWA 77734 (6). TAN 1105 / 53, NIWA 77737 (1). TAN 1105 / 69, NIWA 77810 (59). TAN 1105 / 70, NIWA 77738 (12). West Coast North Island. TAN 1105 / 88, NIWA 77735 (1).
Diagnosis
Diagnosis. Dd up to 10 mm. Numerous spines on the disc margin, juvenile specimens (<4 mm dd) occasionally with scattered spines on dorsal disc plates. Dorsal arm plates transversely ellipsoidal, often longitudinally split in larger animals. Two outer oral papillae, up to 7 flattened blunt arm spines basally, falling to four by mid-arm, single tentacle scale.
Description
Description. See Mortensen (1924).
Distribution
Distribution. New Zealand (1–210 m), Tasman Sea (1–88 m), southern Australia (1–520 m).
Discussion
Remarks. Several variations in dorsal disc and arm patterning were observed in live specimens of Ophiactis resiliens (Fig. 8) that was retained in preserved specimens. Dorsal arm plates of older/larger animals are often fragmented. Southern Australian specimens are typically olive-green to grey with dark 'blotches' irregularly spaced along the arm. This colour difference may be indicative of cryptic speciation.
Taxon Treatment
- Mills, V. Sadie; O'Hara, Timothy D.; 2013: Ophiuroids (Echinodermata; Ophiuroidea) of biogenic habitats on the continental shelf of New Zealand, Zootaxa 3613: 421-421. doi
This treatment was originally uploaded by Plazi, compare this treatment on Plazi. Unless this treatment has been substantially changed on Species-ID, Plazi requests to maintain a link back to the original repository.
