Cyclocypridinae Kaufmann, 1900

Almeida, Nadiny Martins De, Ferreira, Vitor Góis, Martens, Koen & Higuti, Janet, 2023, 5237, Zootaxa 5237, pp. 1-88 : 9

Subfamily Cyclocypridinae Kaufmann, 1900

Genera: Allocypria Rome, 1962 ; Cyclocypris Brady & Norman, 1889 ; Cypria Zenker, 1854 ; Dentocypria Savatenalinton, 2017 ; Kempfcyclocypris Karanovic, 2011 ; Mecynocypria Rome, 1962 ; Namiotkocypria Ķlk̂yļoðlu, 2018; Physocypria Vávra, 1897 .

Diagnosis for Physocypria s.l. (= for all four subsequent genera). Cp suboval in lateral view, LV overlapping RV along all margins, except in some species in middle of dorsal margin of RV. Valve margins of LV smooth and devoid of external tubercles. RV with anterior and/or posterior marginal tubercles of various numbers, size and shapes; anteriorly with an inner list, strongly developed or only visible in part, sometimes strongly inwardly displaced, in other cases submarginal. Carapace without obvious external ornamentation.

A2 with five long natatory setae well-developed; in male with four-segmented endopodite and with setae t2 and t3 transformed into sexual bristles. Mx1 with second palp segment about as long as wide. T1 with one long seta next to the two a-setae; Rpp and Lpp asymmetrical, with Rpp most elongated, both palps consisting of two segments. T2 without d2-seta. CR well-developed, with two claws and two setae. Zenker’s organ with few (5–8) spinous whorls.