|Original name||Pecten aurantiacus Adams & Reeve in Adams, 1850|
|Autoreference||Adams & Reeve, 1850: 74, pl. 21, fig. 12.|
|Reference||Adams, A. & L.A. Reeve, 1848-50. In: A. Adams, The zoology of the voyage of the H.M.S. "Samarang": i-x, 1-87. London.|
|Type data||Holotype (pr: H 27 mm, L 24.5 mm) The Natural History Museum, London (BMNH 19188.8.131.52). Type locality: China Sea (= South China Sea).|
|Description|| Shell up
to ca. 80 mm high, solid, elongate, weakly inflated and nearly equally
convex (right valve slightly more convex than left valve), somewhat wider
than high, inequivalve, nearly equilateral, auricles rather small and
unequal, umbonal angle ca. 115 degrees, left valve brightly coloured externally
with salmon-pink and patterned with paler dots and streaks, right valve
yellowish and paler than left valve, internally yellowish.
Both valves sculptured with regularly arranged, 15-18 radial plicae, with somewhat narrower interspaces as primary ribs, and secondary radial riblets (3-5) on ribs and interspaces in late growth stage. Commarginal lamellae on ribs and interspaced (divided into imbricated scales) and more prominent on right valve. Auricles with 6-12, irregularly spaced, radial riblets covered by commarginal lamellae. Internal rib carinae. Byssal notch shallow, byssal fasciole narrow or nearly lacking, functional ctenolium with 3-5 teeth.
South Cina Sea (TL), southern Japan to northern Australia and South Africa
|Habitat||Living (sub)littorally amongst coral rubble on sandy bottoms.|
Anguipecten picturatus nom.nov. for Pecten aurantiacus Adams & Reeve, 1850 (not Pecten aurantiacus J. Sowerby, 1820). See Dijkstra (1995: 15-19).