Lucilina tilbrooki Milne, 1958

Sirenko, Boris I. & Zhang, Junlong, 2019, Chitons (Mollusca: Polyplacophora) of Hainan Island and vicinity, South China Sea, Zootaxa 4564 (1), pp. 1-40 : 18

publication ID	https://doi.org/10.11646/zootaxa.4564.1.1
publication LSID	lsid:zoobank.org:pub:0B4DE937-0E27-427A-97CA-F7F2366420E9
DOI	https://doi.org/10.5281/zenodo.5922096
persistent identifier	https://treatment.plazi.org/id/411A87B3-FF83-9F0D-FF7A-C332FDC0F9DA
treatment provided by	Plazi (2019-03-09 17:50:21, last updated 2023-10-30 11:14:38)
scientific name	Lucilina tilbrooki Milne, 1958
status

Treatment

Lucilina tilbrooki Milne, 1958 View in CoL

( Figs 13–15 View FIGURE 13 View FIGURE 14 View FIGURE 15 )

Lucilina tilbrooki Milne 1958: 152 View in CoL , figs 1–4; Kaas et al. 2006: 346, fig.145, map 51 (bibliography and synonymy); Dell’Angelo et al. 2010: 38, figs 2A–L, 3A–D, 4D–E; Sirenko 2012: 80, pl. 13 C, figs 21, 22. Tonicia (Lucilina) tilbrooki ; Kaas & Van Belle 1980: 133; 1998: 188.

Type material. Holotype NMV P18471.

Type locality. Queensland, Capricorn Group, Heron Island .

Material examined. South China Sea, Hainan Island, stn. 5, 19°38’12’’N, 111°01′52’’E, intertidal, on stones, 2 spms, BL 4.0–6.0 mm, 14.11.2016, leg. B. Sirenko; stn. 15, 18°12’09’’N, 109°29′40’’E, intertidal, on old corals, 1 spm, BL 3.0 mm, 19.11.2016, leg. B. Sirenko; stn. 27, 18°18′03’’N, 109°13′55’’E, depth 2–5 m, on stones covered with red crustose algae, 1 spm, BL 9.5 mm, 24.11.2016, leg. B. Sirenko.

Distribution. The species is known from Maldives Islands, South Vietnam, Hainan Island and Australia.

Remarks. The studied specimen (BL 5.0 mm) has a radula 1.5 mm long with 35 transverse rows of mature teeth and 20 gills extending from valve III to valve VII. The slit formula of this specimen is 8/1/10. This is the first record of L. tilbrooki from Hainan Island.

References

Kaas, P. & Van Belle, R. A. (1980) Catalogue of Living Chitons. W. Backhuys. Rotterdam, 144 pp.

Kaas, P., Van Belle, R. A. & Strack, H. L. (2006) Monograph of Living Chitons (Mollusca: Polyplacophora). Vol. 6. Suborder Ischnochitonina (concluded): Schizochitonidae; Chitonidae. Additions to Vols 1 - 5. E. J. Brill, Leiden-Boston, 463 pp.

Milne, K. L. (1958) Descriptions of new species of chitons (Mollusca, Loricata). Royal Society of New South Wales, 152 - 155.

Sirenko, B. I. (2012) Chitons (Mollusca, Polyplacophora) of Nha Trang Bay, South Vietnam. In: Britayev, T. A. & Pavlov, D. S. (Eds.), Benthic fauna of the Bay of Nha Trang, South Vietnam. 2. KMK Scientific Press Ltd, Moscow, pp. 56 - 122.

Figures

FIGURE 13. Lucilina tilbrooki, Hainan, BL 5.0 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V detail of tegmentum in central and lateral areas; F. Valve V, rostral view; G. Valve VIII, lateral view.

FIGURE 14. Lucilina tilbrooki, Hainan, BL 5.0 mm: A. Dorsal and ventral scales; B. Dorsal and ventral scales and marginal spicules; C. Dorsal scales; D. Ventral scales in central part of girdle.