Metapseudidae Lang, 1970
Metapseudidae Lang, 1970: 603.
Parametapseudidae Bacescu, 1977: 9.
shape semicylindrical, dorsoventrally flattened, or cylindrical.
, eye present.
(antenna 1) biramous.
(antenna 2), with more than 6 articles; squama present, or reduced.
well developed, functional in both sexes.
, palp present, comprised of three articles; lacina mobilis on both right and left mandible; setal row present; molar broad.
with one pair of lobes, articulated.
(maxilla 1), with two endites; palp biarticulated, palp with more than two setae or with two terminal setae.
(maxilla 2) well developed.
, coxa present; basis not fused; endites not fused, narrower than basis.
large, reniform, with two unevenly sized articles.
not reduced, at least three times wider than pereopod basis diameter.
directly to ventral cephalothorax surface
; exopod present; carpus with few or no long plumose setae.
Pereopods 1 to 3
, coxae present.
, without plumose setae on distal articles; coxa extended into acute spine, or not extended into acute spine; ischium present; dactylus short, curved.
as long as pereopods 5 and 6, dactylus not reduced.
Pereopods 4 to 6
, dactylus and terminal seta not fused.
formed by five pairs of oostegites.
with five developed pleonites, or with three free and two reduced or fused pleonites, or with all pleonites fused with pleotelson.
present; protopod without curved spiniform process; endopod with more than six articles; exopod with more than two articles.
. Very heterogenic taxon. Shallow-water family.
Cite this publication as: 'Larsen, K. (2002 onwards). Tanaidacea: Families. Version 1: 2 October 2002.