Acanthochitona saitoi Sirenko, 2012

Yuen, Steffi Kar Kei, Chen, Zixiao, Yuen, Skyler, Liu, Alex Qinyang, Leung, Chi-Ho, Ko, Ivan Ching Ho, Chan, Chi Kwok, Somani, Bhaskar, Herrmann, Thomas, Jung, Helene, Tokas, Theodoros, Croghan, Stefanie, Traxer, Olivier, Chiu, Peter Ka Fung, Chew, Ben, Teoh, Jeremy Yuen Chun, Gauhar, Vineet, Li, Zheng & Ng, Chi Fai, 2021, Novel non-invasive intrarenal pressure monitoring devices in flexible ureteroscopy: an in-vitro comparative study., Zoosystematica Rossica (China) 30 (1), pp. 78-93 : 83-86

publication ID	https://doi.org/10.31610/zsr/2021.30.1.78
publication LSID	urn:lsid:zoobank.org:pub:E024061D-62FD-4858-BBB3-74B60B8AB9AC
persistent identifier	https://treatment.plazi.org/id/7A164433-FFFD-FF8E-FF5E-FC87EF99D589
treatment provided by	Felipe
scientific name	Acanthochitona saitoi Sirenko, 2012
status

Treatment

Acanthochitona saitoi Sirenko, 2012 View in CoL

( Figs 1B, 6–9)

Acanthochitona saitoi Sirenko, 2012: 95 View in CoL , pl. 14C,

Figs 31 and 32; Sirenko, 2016: 85; Sirenko & Saito,

2017: 503.

Holotype. Vietnam, South China Sea , Nhatrang Bay, Than Bay, 25 Apr. 2009, depth 1–1.5 m, on dead corals, B. Sirenko leg. ( ZIN, No. 2181).

Paratypes. Vietnam, 2 specimens, same place, 25 March 2010, depth 1.0– 1.5 m, on red crustose algae, B. Sirenko leg. ( ZIN, No. 2182) .

Other material examined. South China Sea, Spratly Is .: 1 specimen, Song Tu Tay I., 11°25′10.6″N, 114°19′51.9″E, depth 10 m, on dead coral, SCUBA, 20 Nov. 2018, B. Sirenko leg. ( ZIN, No. 2405) GoogleMaps ; 1 specimen, 11°23′45.1″N, 114°35′15.1″E, depth 0.5–1.0 m, on dead coral, SCUBA, 27 Nov. 2018, B. Sirenko leg. ( ZIN, No. 2408) GoogleMaps ; 1 specimen, Nam Yet I., 10°10′17.0″N, 114°21′59.2″E, depth 31–42 m, on dead coral, SCUBA, 4 Dec. 2018, B. Sirenko leg. ( ZIN, No. 2415) GoogleMaps ; 4 specimens, Da Lon I., 9°59′54.8″N, 113°50′33.8″E, depth 1.5 m, on old shells of tridacna clams, SCUBA, 11 Dec. 2018, B. Sirenko leg. ( ZIN, No. 2414) GoogleMaps ; 2 specimens, Len Dao I., 9°46′53.4″N, 114°22′24.7″E, depth 5–6 m, on dead corals, SCUBA, 19 May 2019, B. Sirenko leg. ( ZIN, No. 2403) GoogleMaps ; 1 specimen, 9°46′33″N, 114°22′18.0″E, depth 6–7 m, on old tridacna clam, SCUBA, 20 May 2019, B. Sirenko leg. ( ZIN, No. 2406) GoogleMaps ; 2 specimens, Toc Tan I., 8°48 ′27″N, 113°56′04″E, depth 30 m, on dead corals, SCUBA, 25 May 2019, B. Sirenko leg. ( ZIN, No. 2401) GoogleMaps ; 3 specimens, 8°49′42.2″N, 113°57′40.38″E, depth 1.5–4.0 m, on old tridacna clams, SCUBA GoogleMaps ,

B.I. Sirenko & T. Nguyen Tai. Acanthochitona from the Spratly Islands

25 May 2019, B. Sirenko leg. ( ZIN, No. 2412); 1 specimen, 8°49′47.8″N, 113°56′3.2″E, depth 2.0–4.0 m, on old tridacna clam, SCUBA GoogleMaps , 27 May 2019, B. Sirenko leg. ( ZIN, No. 2410); 2 specimens, Thuyen Chai I., 8°16′35.3″N, 113°21′10.7″E, depth 30–33 m, on dead corals, SCUBA GoogleMaps , 30 May 2019, B. Sirenko leg. ( ZIN, No. 2413); 1 specimen, 9°55′33.6″N, 112°20′58.5″E, depth 12–15 m, on old tridacna clam, SCUBA GoogleMaps , 1 June 2019, B. Sirenko leg. ( ZIN, No. 2402); 2 specimens, Truong Sa Dong I., 8°53′15.7″N, 112°14′08.3″E, depth 20 m, on dead corals, SCUBA GoogleMaps , 2 June 2019, B. Sirenko leg. ( ZIN, No. 2407); 1 specimen, Da Tay I., 8°50′35.2″N, 112°11′26.0″E, depth 20 m, on old clam, SCUBA GoogleMaps , 3 June 2019, B. Sirenko leg. ( ZIN, No. 2409); 1 specimen, Da Lat I., 8°39′30.0″N, 111°39′36.0″E, depth 23 m, on dead coral, SCUBA GoogleMaps , 6 June 2019, B. Sirenko leg. ( ZIN, No. 2411) .

Measurements. BL 3.0–4.0 mm ( 2 specimens; ZIN,No.2401),4.0mm ( 1specimen;ZIN,No.2402), 2.0– 2.5 mm ( 2 specimens; ZIN, No. 2403), 3.1 mm ( 1 specimen; ZIN, No. 2405), 3.0 mm ( 1 specimen; ZIN, No. 2406), 4.0 mm ( 2 specimens; ZIN, No. 2407), 3.0 mm ( 1 specimen; ZIN, No. 2408), 3.0 mm ( 1 specimen; ZIN, No. 2409), 4.5 mm ( 1 specimen; ZIN, No. 2410), 4.0 mm ( 1 specimen; ZIN, No. 2411), 2.0–6.0 mm ( 3 specimens; ZIN, No.2412),1.5–2.0 mm( 2specimens;ZIN,No.2413), 2.7–3.5 mm (4 speci mens; ZIN, No. 2414), 4.5 mm ( 1 specimen; ZIN, No. 2415).

Notes. The specimens collected at the Spratly Islands differ from the type specimens ( Nhatrang Bay ) and from the specimens collected at the Okinawa Islands in the larger pustules in tegmentum, whereas other features of the shell, the girdle and the radula are similar. The examined specimen with BL equal to 3.5 mm has six gills arranged from valve V to valve VII and the radula 1.3 mm long with 23 transverse rows of mature teeth .

Distribution. Nhatrang Bay and Spratly Islands (South China Sea), Okinawa Islands (Ryukyu Islands, southern Japan); depth 1.5– 31 m.