Tanaellidae Larsen & Wilson, 2001
Tanaelliidae Larsen & Wilson, 2001:.
, eye absent.
(antenna 1) uniramous, with four to five articles.
(antenna 2), with 5 or 6 articles; squama absent.
well developed, functional in both sexes.
, palp absent; lacina mobilis only on left mandible; setal row absent; molar broad, or pointed.
with one pair of lobes, not articulated.
with one endite; palp uniarticulated,
with two terminal setae
(maxilla 2) reduced.
, coxa absent; basis fused, or not fused; endites not 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 via sidepiece (sclerite); exopod absent; carpus with few or no long plumose setae.
Pereopods 1 to 3
, coxae present.
, 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
; dactylus and terminal seta not fused.
formed by four pairs of oostegites.
with five developed pleonites.
biramous; male pleopods with simple setae only; female pleopods well developed, or reduced, or absent.
present; protopod without curved spiniform process; endopod with two articles; exopod reduced.
Bird & Holdich, 1984;
Norman & Stebbing, 1886.
. The combination of reduced uropod exopod and no coxae on pereopods four to six distingquish this family from Leptognathiidae. Only found in deep water.
Cite this publication as: ‘Larsen, K. (2002 onwards). Tanaidacea: Families. Version 1: 2 October 2002.