Agathotanaidae Lang, 1971
Agathotanaidae Lang, 1971: 367.
Agathotanaididae Larsen & Wilson, 2002: xxx.
, eye absent.
(antenna 1) uniramous, with four to five articles, or uniramous, with less than four articles.
(antenna 2), with 3 or less articles, or with 5 or 6 articles; squama absent.
well developed, functional in both sexes.
, palp absent; lacina mobilis only on left mandible, or absent; setal row absent; molar pointed, or membranous or absent.
with one pair of lobes, not articulated.
Maxillule (maxilla 1),
with one endite; palp uniarticulated,
with two terminal setae
(maxilla 2) reduced.
coxa absent; basis partly fused;
, narrower than basis.
small, falciform, uniarticulated, with few setae at apex or completely smooth.
not reduced, at least three times wider than pereopod basis diameter.
, attachment directly to ventral cephalothorax surface, or via pseudocoxa on ventral cephalothorax surface; exopod absent; carpus with few or no long plumose setae.
Pereopods 1 to 3
, coxae present, or absent.
, without plumose setae on distal articles; coxa not extended into acute spine; ischium present; dactylus long, curved with spinning glands at tip.
as long as pereopods 5 and 6, dactylus not reduced.
Pereopods 4 to 6, coxa
present, or absent
; dactylus and terminal seta not fused.
formed by four pairs of oostegites.
with five developed pleonites, or with all pleonites fused with last pereonite and with pleotelson.
biramous; male pleopods with simple setae only, or reduced; female pleopods absent.
present; protopod without curved spiniform process; endopod with one article, or with two articles, or reduced; exopod reduced.
Bird & Holdich, 1988;
. A deep water taxon.
Cite this publication as: 'Larsen, K. (2002 onwards). Tanaidacea: Families. Version 1: 2 October 2002.