Paracalanidae Giesbrecht, 1893

Bradford-Grieve, Janet M., 2008, Mecynocera clausi I. C. Thompson, 1888 (Copepoda: Calanoida) is a paracalanid, Zootaxa 1852, pp. 59-64 : 60

Paracalanidae Giesbrecht, 1893

Paracalanina Giesbrecht, 1893: 21.

Paracalanidae .- Sars, 1901: 16.- Bradford-Grieve, 1994: 44, 46. Calocalanidae Bernard, 1958: 199 .

Mecynoceridae Andronov, 1973: 1719 –1720.

Diagnosis (emended): Male antennules symmetrically developed, neither of them geniculate; male antenna exopod with short terminal segment without 3 terminal setae; male maxilliped sexually dimorphic, endopod with 3 enlarged plumose setae (2 outer and 1 terminal), inner setae very atrophied; leg 1 endopod of 2-segments, exopod 3-segmented; legs 2–4 exopods and endopods of 3-segments, exopod segment 3 of legs 2–4 with 2 outer border articulated spines; terminal spine on exopod segment 3 of legs 2–4 blade-like, not serrated; female leg 5 uniramous with fused protopodal plate: of 2–4 segments but may be rudimentary or absent; male leg 5 uniramous; male right leg shortest, of 2–5 segments but may be rudimentary; male left leg elongate, slightly prehensile, 5-segmented.