Noodtorthopsyllus Lang, 1965

Huys, Rony & Kihara, Terue Cristina, 2010, Systematics and phylogeny of Cristacoxidae (Copepoda, Harpacticoida): a review, Zootaxa 2568, pp. 1-38 : 5

Genus Noodtorthopsyllus Lang, 1965

Synonym. Cristacoxa Huys, 1990 syn. nov.

Diagnosis. Sexual dimorphism in antennule, P1 endopod, P3 endopod, P5, P6 and in genital segmentation; occasionally in endopod of P2 and P4. Rostrum triangular, completely defined at base. Fusion of female genital double-somite demarcated by almost continuous internal transverse chitinous rib, and by surface ornamentation both laterally and dorsally. Caudal ramus seta V bi-articulated, consisting of styliform proximal part and flagelliform distal part.

Antennule with posterior spinous process on segment I and small or rudimentary process on segment II. Maxillary syncoxa with 2–3 endites; when present, praecoxal endite represented by 1 seta; endopod represented by 2–3 setae.

P1 with well developed serrate crests on praecoxa and coxa; enp-1 with or without inner seta (when present then sexually dimorphic in size). Coxa with crest around outer margin in P2–P3, and sometimes with lobate extension in P4. P2 with 2-segmented endopod; with inner seta on exp- 2 in Ƥ, sometimes absent in 3. P3 with inner seta on exp-2; endopod with or without outer spine in Ƥ; endopod subdivided in 2 pseudosegments in 3, bearing long, sigmoid, inner apophysis on proximal pseudosegment (homologous with proximal inner seta of Ƥ) and one long pinnate apical seta and 1–2 vestigial elements on distal pseudosegment. Spine and setal formula as follows (variation shown in brackets):

P5 not bilobate, with 8 elements in both sexes. P6 Ƥ with 1 pinnate seta. Type species: Orthopsyllus psammophilus Noodt, 1955 [= Noodtorthopsyllus psammophilus ( Noodt, 1955) , by original designation].

Other species: Cristacoxa petkovskii Huys, 1990 [= N. petkovskii ( Huys, 1990) comb. nov.; N. tageae sp. nov.]