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 7-3. Congeneric comparison of the morphologies of calcareous ring among the nominated six species of the genus Patinapta Heding, 1928.
Specific nameSourceMorphologies of calcareous ring
*Position of calcareous ring plates, which described by each author (see Materials and Methods) Ludwig’s [1889–1892 (1889), p156] system.
*Position of calcareous ring plates, which described by each authors (see Materials and Methods) Ludwig’s [1889–1892 (1889), p156] system.
Gen PatinaptaAuthor, YearPlates* illustratedPerforations illustratedOther information
P. crosslandiiHeding, 192900All radial plates perforated, RI and IR5 bilateral symmetrical form.
P. dumasiCherbonnier, 195400Radial plates perforated
P. laevisHeding (1928)2 plates (IR1–RI)RIAll radial plates perforated (from the diagnosis for the genus).
P. ooplaxvon Marenzeller, 18823 plates (IR1–RI–IR2)RIAdditional interradial plates with semicircular perforation
P. ooplaxPresent studyAll 12 platesRI, RIV, RVAdditional two perforations occurring on RII -IR3’ and RII -IR3’.
P. taiwaniensisChao et al. 19883 plates (IR1–RI–IR2)RIAll radial plates perforated. All 12 plates with fattened anterior edge.
P. taiwaniensisPresent studyAll 12 platesRIII, RI, RII, RIV, RVAll radial plates perforated. All 12 plates with fattened anterior edge.
P. vaughaniCherbonnier, 19533 plates (IR1–RI–IR2)RIAll radial plates perforated. All 12 plates with undulant anterior edge.
Gen PatinaptaAuthor, YearPlates* illustratedPerforations illustratedInformation described on the text
P. crosslandiiHeding, 192900All radial plates perforated, RI and IR5 bilateral symmetrical form.
P. deformis sp. nov.Present studyAll 12 plates5 (RIII; RI; RII; RIV; RV)All radial plates perforated, RII and RIII have anterior projections.
P. dumasiCherbonnier, 195400Very small ring. Radial plates perforated
P. edentatus sp. nov.Present studyAll 12 plates3 (RI; RIV; RV)Additional two perforations occurring on RII -IR3’ and RIII -IR4’.
P. laevisHeding (1928)2 (IR1–RI)1 (RI)All radial plates perforated (from the diagnosis for the genus).
P. neglectus sp. nov.Present studyAll 12 plates1 (RI)Additional two perforations occurring on RII -IR3’ and RIII -IR4’. RIV and RV very small and devoid of perforation.
P. ooplaxvon Marenzeller, 18823 (IR1–RI–IR2)1 (RI)Additional interradial plates with semicircular perforation
P. ooplaxPresent studyAll 12 plates3 (RI; RIV; RV)Additional two perforations occurring on RII -IR3’ and RIII -IR4’.
P. parvaspiculus sp. nov.Present studyAll 12 plates5 (RIII; RI; RII; RIV; RV)All radial plates perforated. All plates with fattened anterior edge.
P. taiwaniensisChao et al. 19883 (IR1–RI–IR2)1 (RI)All radial plates perforated. All plates with fattened anterior edge.
P. taiwaniensisPresent studyAll 12 plates5 (RIII; RI; RII; RIV; RV)All radial plates perforated. All plates with fattened anterior edge.
P. vaughaniCherbonnier, 19533 (IR1–RI–IR2)1 (RI)All radial plates perforated. All plates with undulant anterior edge.