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 1. Measurements (mm) of body size and internal organs and their positions from specimens examined.

WMNH-INV No.	Locality	Body size	Polian vesicle Position*		Ciliated funnels Position*			Stone canal Position*
* Ludwig’s [1889–1892 (1889), p156] system: IR1, left ventro-lateral interradius; IR2, right ventro-lateral interradius; IR3, left dorso-lateral interradius; IR4, right dorso-lateral interradius; IR5, mid-dorsal interradius. **Abbrebations: Cr., Crowded; Sp., Sporadical.
		Length × Width	Length×Width		Density**		Length×Width
2014-INV-238	Otsuchi Bay	88.2×5.9–4.0 (anaesthetized)	RI	4.28×0.81	IR3	Sp. 1 Row	IR5	left side 0.78×0.53
2014-INV-239	Otsuchi Bay	90.5×7.4–5.1 (anaesthetized)	RI	7.63×1.15	IR3	Cr. 1 Band	IR5	left side 1.57×1.20
2020-INV-62	Wakaura Bay	55.3×2.9–3.7 (anaesthetized)	RI	3.63×0.31	IR3	Cr. 1 Band		Not detected
2024-INV-156	Imari Bay	39.2×2.5–3.8	RI	5.14×0.88	IR3	Cr. 1 Band	IR5	left side 0.76×0.32
2024-INV-193	Nagaura-higata	10.5×3.6–3.8 (anterior half)	RI	2.40×0.69	IR3	Cr. 1 Band		Not detected
2024-INV-194	Nagaura-higata	4.9+41.3×4.0–5.1 (autotomized)	RI	4.31×0.82	IR3	Cr. 1 Band		Not detected
2022-INV-154	Kagoshima Bay	73.9×5.1–4.6	RI	7.32×0.45	IR3	Cr. 1 Band	IR5	left side 1.35×0.46
2021-INV-542	Osato-gawa	59.8× 4.3–5.5	RI	2.17×0.53 3.65×0.98	IR3	Sp. 1 Row		Not detected
2015-INV-105	Yoron-jima	90.3×5.8–9.7	RI	0.95×0.23 7.01×1.40 8.13×1.51	IR4	Cr. 1 Band	IR5	left side 1.03×0.46
2015-INV-106	Yoron-jima	120.1×8.9–6.4	RI	0.95×0.23 7.01×1.40 8.13×1.51	IR4	Cr. 1 Band	IR5	left side 1.38×0.67
2015-INV-107	Yoron-jima	118.1×10.6–4.8 (depressed)	RI	4.99×0.58 5.05×0.67	IR3	Cr. 1 Band	IR5	left side 1.31×0.53
2015-INV-108	Yoron-jima	124.3×9.4–5.1 (depressed)	RI	1.04×0.42 1.31×0.83 5.03×0.75	IR4	Cr. 1 Band	IR5	left side 2.04×0.66
2023-INV-157	Yoron-jima	100.9×5.6–9.1 (damaged)	RI	3.08×0.28 6.18×0.61 7.01×1.40	IR3	Cr. 1 Band	IR5	left side 1.98×0.52
2016-INV-236	Sesoko-jima	104.3×5.9–4.5 (anaesthetized)	RI	1.08×0.21 2.14×0.51 3.83×1.11 4.15×0.98	IR3	Sp. 1 Row	IR5	left side 0.94×0.31
2016-INV-237	Sesoko-jima	111. 3×6.5–3.4 (anaesthetized)	RI	2.17×0.65 4.11×0.83	R3	Sp. 1 Row	IR5	left side 0.94×0.31
2021-INV-972	Kabira Bay	45.9×4.9–2.6	RI	2.68 0.74	IR4	Sp. 1 Row		Not detected
2021-INV-973	Kabira Bay	69.2×4.9–3.7	RI	4.12×0.82	IR4	Sp. 1 Row		Not detected
2021-INV-974	Kabira Bay	5.1+67.6×2.3–4.2 (autotomized)	Not detected		IR4	Sp. 1 Row		Not detected