Iconaster vanuatuensis, Mah, 2005

Mah, Christopher, 2005, A phylogeny of Iconaster and Glyphodiscus (Echinodermata, Asteroidea, Valvatida, Goniasteridae) with descriptions of four new species, Zoosystema 27 (1), pp. 137-161 : 154

publication ID	https://doi.org/ 10.5281/zenodo.5392847
DOI	https://doi.org/10.5281/zenodo.5469147
persistent identifier	https://treatment.plazi.org/id/03F287F6-FFE0-FF81-5D0E-B4ABFCBAF9F4
treatment provided by	Marcus
scientific name	Iconaster vanuatuensis
status	sp. nov.

Treatment

Iconaster vanuatuensis View in CoL n. sp.

( Fig. 5 View FIG A-C)

HOLOTYPE. — Vanuatu. MUSORSTOM 8, stn CP 1018, 17°53’S, 168°25’E, 300-301 m, 27.IX.1994, 1 dry specimen, R = 6.6 cm, r = 2.9 cm ( MNHN EcAs 11680). GoogleMaps

PARATYPES. — Vanuatu. MUSORSTOM 6, stn CP 1017, 17°53’S, 168°26’E, 294-295 m, 27.IX.1994, 2 wet specimens, R = 5.6 cm, r = 2.4 cm, R = 3.2 cm, r = 1.3 cm ( MNHN Ech 4685).

ETYMOLOGY. — This species is named for the type locality.

DISTRIBUTION. — Vanuatu. 294- 301 m.

DIAGNOSIS. — Glassy tubercles on smooth, abactinal plates. Adambulacral plates covered by flattened scalar granules with short but well spaced furrow spines. Enlarged pair of oral spines, hemispherical in cross section.

APOMORPHY LIST. — 1, enlarged corner accessory plates present on radial regions. 2, enlarged corner accessory plates present. 3, complete periphery of abactinal accessories. 4, glassy tubercles on abactinal plates. 7, disk and abactinal disk surface flush. 9, glassy tubercles on superomarginal plates. 11, high number of marginal plates in interradius. 18, furrow spines, round-polygonal in cross section. 19, furrow spines spaced apart. 20, subambulacral spines present. 22, granular subambulacral spines present. 25, enlarged oral spines present. 26, rounded interradial arc. 31, fan like flaps on ambulacral base.

DESCRIPTION

Overall body convex, relatively flat, broad with tapering arms. Disk stellate. Radial regions swollen with depressed interradial areas. Pedicellariae absent.