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Rathbun, 1898

Zoea [no illustration available]
¥ Number of stages in the zoeal phase: 4.
¥ Morphological characters of first zoea [Table 8 First zoeae of Belliidae]:
Carapace with spinules only on rostral and dorsal spines.
Posterodorsal border of 2nd - 5th abominal somite with minute spines + 2 setae.

Megalopa [Acanthocyclus albatrossis]
¥ Number of stages in the megalopal phase: 1.
¥ Morphological characters of megalopa [Table 16 Mgp Hymenosomatidae Atelecyclidae Beliidae Portunidae]:
Rostrum short.
Carapace smooth.
Maxillule (mx1) endopod setation: 1, 2.
Maxilla (mx2) endopod setation: 2.
First maxilliped (mxp1) epipod setation: 11.
Third maxilliped (mxp3) epipod setation: 13.

Larval stages described by Campodonico and Gúzman, 1973.

Geographical distribution of adult
Occidental Atlantic: Argentina (Malvinas Island); not recorded along the Brazilian coast
Oriental Pacific: Chile (Talcahuano and Strait of Magellan).

Depth range of adult
Sublittoral zone.

Acanthocyclus albatrossis