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 Author Yamana, Yusuke Wakayama Prefectural Museum of Natural History (WMNH), Invertebrate Specimen House, Funo 370 - 1, Kainan, Wakayama 642 - 0001, Japan Author Hirashima, Kentarou Wakayama Prefectural Museum of Natural History (WMNH), 1 Room Curators Head Office, Funo 370 - 1, Kainan, Wakayama 642 - 0001, Japan Author Sato, Masanori Graduate School of Science and Engineering, Kagoshima University, Kagoshima 890 - 0065, Japan & Present address: 5233 Hiramatsu, Aira, Kagoshima 899 - 5652, Japan Author Yamamori, Luna Seto Marine biological laboratory (SMBL) of Kyoto University, 459, Shirahama, Wakayama 649 - 2211, Japan text Zootaxa 2025 2025-01-13 5569 1 1 54 https://doi.org/10.11646/zootaxa.5569.1.1 journal article 307817 10.11646/zootaxa.5569.1.1 e18dbbc9-ecbb-4d21-8b14-198f588ed3dd 1175-5326 14703528 96194340-054D-49C0-BD89-D47899BCAF14

TABLE 7-2. Congeneric comparison of the ossicle morphologies of the nominated six species of the genus Patinapta Heding, 1928.

Specific name	Source	Tentacle		Longitudinal muscle				Body wall
*Length: Measurements denoted in original description or values in the present study (μm). a–i: (see, Materials and Methods) Indicators for ossicles shape, and one parameter (Ntp, number s teethed perforation) in original description (calculated as average values from illustrations for ossicles, extracted from different body parts by each author) and average values in the present study (middle body parts).
		Rod ossicles		Granule ossicles	Anchor plate ossicles				Anchor ossicles
Gen Patinapta	Author, Year	Length* RP a	RC b	Length* GP c GCO d	Length*	APS e	Ntp f	APT g	Length*	ASW h	AEW i
P. crosslandii	Heding, 1929	Granules with both distal perforations		Often granules with a distal perforation	80–115	2.2	0	73.8	135	16.3	52.6
P. dumasi	Cherbonnier, 1954	- -	-	Mostly O-shape, fewly C-shape granules	-	-	6–8	-	Both arms sharply turning to basal direction.
P. laevis	Bedford, 1899	Needle-like liner and narrow shape rods		Mostly two perforated oval granules.	83; 88	3.7	0	0	122, 144	11.3	61.6
P. ooplax	Von Marenzeller, 1882	52–87 13.1	11.2	28–40 44.3 50.0	94–109	0	7	22.6	113–119	21.9	55
P. ooplax	Present study	51–97 11.5	7.7	24–59 50.9 81.2	88–117	2.3	6.8	27.6	135–185	23.4	54.6
P. taiwaniensis	Chao et al. 1988	37–90 10.9	7.9	20–60 31.0 18.2	80–105	0.3	4.3	20.4	155–160	12.3	42.6
P. taiwaniensis	Present study	51–104 12.4	8.5	17–45 48.3 58.5	83–135	0.4	4.4	16.8	126–167	22.4	48.9
P. vaughani	Cherbonnier, 1953	63.5 7.0	5.5	Rod-like granules often with distal perforations	Most Anchor plates with four large teethless-perforations in distal area.				87–108	16.2	52.4