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Ocular peduncle

See: Eyestalk [Martin, 2005]
Eyestalk. [Williams, 1984]
Peduncle movably articulated with cephalon, with compound eye at distal end, sometimes with two or three segments, sometimes retractable.
(syn. eyestalk) [McLaughlin, 1980]
(Taxon-specific: Order Decapoda) One of two eye-bearing, movable projections of head; typically consists of two segments (proximal basiophthalmite and distal cornea-bearing podophthalmite). Segment of head (ophthalmic segment) bearing ocular peduncles is termed acron and is not considered to be true somite. (retractile, nonretractile; two-segmented, three-segmented; club-shaped, conical, dilated, elongate, oval, triangular; pubescent, setiferous).
(syn. eyestalk) [Stachowitsch, 1992]
(Taxon-specific: Order Mysida) One of two eye-bearing movable projections of head. Consists of single segment and may bear papilla on inner or dorsal surface.
(syn. eyestalk) [Stachowitsch, 1992]
(Taxon-specific: Order Stomatopoda) One of two eye-bearing, movable projections of medial (ocular) plate of acron. (cylindrical, dilated, subtriangular).
(syn. eyestalk) [Stachowitsch, 1992]
(Taxon-specific: Order Leptostraca) Movable, eye- or visual pigment-bearing projection on each side of head (cephalon). (simple, denticulate = serrate, flat and crescentic, scimitar-like; with/without ocular scale).
(syn. eyestalk) [Stachowitsch, 1992]
(Taxon-specific: Order Euphausiacea) One of two compound eye-bearing, movable projections of head. Consists of two indistinctly separated segments and bears photophore.
(syn. eyestalk) [Stachowitsch, 1992]