Patinapta Heding, 1928

Yamana, Yusuke, Hirashima, Kentarou, Sato, Masanori & Yamamori, Luna, 2025, First revision of the apodid holothurian genus Patinapta Heding, 1928 (Synaptidae) in Japanese waters, with establishment of four new species from Kyushu Island and Ryukyu Islands, southwestern Japan, Zootaxa 5569 (1), pp. 1-54 : 6

Patinapta Heding, 1928

Diagnosis of genus [summarized from Heding (1928): 237–238 and that of Cherbonnier (1954)]. Type species: Synapta ooplax von Marenzeller. With diagnosis: Tentacles pinnate, 12, sensory cups on the oral side of the tentacles, not forming pigmented eye-spots. Radial pieces of calcareous ring perforated for nerves. Polian vesicles few, ranging from 1 to 8, stone canal is single. Ossicles in the body, anchors, anchor plates and granules, also rods in tentacles. Anchors of anterior body shorter and narrower than those of posterior body. However, anchor plates of anterior body larger than those of posterior body. Perforations on the anchor plates vary in number, large perforations somewhat dented, lacking a bridge-like frame (seen in many other genera of family Synaptidae ) on basal part of the plate. dorsal mesentary. Ciliated funnels erupt on the mesenteries