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Hansen, 1916

Body short, narrowing sharply posteriorly. Relatively more slender appendages than in Munna kroyeri ; antenna 2 almost twice the length of the body. Eyes on lateral extensions of the head. Molar process of the mandible normal in structure, strongly developed with a truncate, denticulate grinding apex. Pereion segments 5 to 7 much smaller than segments 1 to 4 and sharply marked off from them; pereiopods relatively robust. Pleotelson with no more than one large spine on the lateral borders; postero-lateral borders serrated. Uropods small, lacking a peduncle, but with a distal, inward pointing, hooked process. Pleopod 1 of females absent, pleopod 2 forming a plate-like operculum; male pleopod 1 forming a copulatory preoperculum contributed to by pleopod 2.
Females scarcely reaching 3 mm body length; males smaller.

Predominantly sublittoral, among sessile coelenterates, polyzoans, Laminaria holdfasts, etc., but also recorded at LWS.

Recorded off most British coasts and Greenland, North America, Iceland, Spitzbergen and Norway.

Munna minuta