Aquilonastra O’Loughlin, 2004

O’Loughlin, Mark & Mackenzie, Melanie, 2013, Asterinid seastars from the Mozambique Channel (Echinodermata: Asteroidea: Asterinidae), Zootaxa 3613 (2), pp. 176-180 : 177

Aquilonastra O’Loughlin, 2004 (in O’Loughlin & Waters, 2004)

Diagnosis. Rays 5, or 5–8 in fissiparous species; inter-radial margin deeply incurved, form stellate; rays discrete, broad at base, tapering, rounded distally; flat actinally, high convex abactinally; abactinal plates in longitudinal series, not perpendicular to margin; papulate areas extensive; papulae predominantly single, large, in longitudinal series along sides of rays; abactinal plates with glassy convexities; abactinal spinelets and actinal spines predominantly fine, glassy, conical or sacciform or splay-pointed sacciform, in bands or tufts, numerous (10–40 per plate); actinal plates in longitudinal, not oblique, series; superambulacral plates present for all of ray, sometimes for part of ray or absent in pedomorphic species; superactinal plates present.