Article
Article
Mictacea
Article By:
McLaughlin, Patsy A. Shannon Point Marine Center, Western Washington University, Anacortes, Washington.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.424725
A small order within the crustacean superorder Peracarida. The order Mictacea contains only one known crustacean species, Mictocaris halope (see illustration), in the family Mictocarididae. Originally, Mictacea contained a few species (for example, Hirsutia bathyalis), but these species have been reassigned to other peracarid orders. Mictaceans share many features that are common to other peracarids, but they differ sufficiently to justify assignment to a distinct order. Common peracarid features include a brood pouch formed by the basal lamellae of the pereopods (oostegites) in the female, a small movable process (lacinia mobilis) on the mandible, free thoracic somites that are not fused to a carapace shield, a single maxilliped of typical peracarid form, and partially immobile pereopodal basal segments. See also: Crustacea; Peracarida
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