Expanathura collaris (Kensley, 1979)
Panathura collaris Kensley, 1979a: 823-827, figs 7-9; Kensley and Poore 1982: 635; Expanathura collaris Wägele, 1981d: 89, 121-122; Negoescu 1999: 214-220, figs 9-11; Negoescu and Wägele 1984: 118; Negoescu and Brandt 2001: 121-129, figs 14-18; Poore and Lew Ton 2002: 26-32, figs 16-19, 20a.
Materials examined.
54 females, 3 males, UKMMZ-1567, Sebirah Kechil, Pulau Tinggi, Johor, Malaysia, 2°18.622'N, 104°5.616'E (DDM), C. Melvin, 16 May 2013, coral rubble, ~3 m; 12 females, UKMMZ-1568, Mentinggi, Pulau Tinggi, Johor, Malaysia, 2°16'21.67"N; 104°7'18.61"E (DMS), C. Melvin, 19 April 2013, coral rubble, ~3 m; 56 females, 9 males, UKMMZ-1569, Batu Malang, Pulau Tioman, Pahang, Malaysia, 2°54'15.44"N; 104°6'1.08"E (DMS), C. Melvin, 18 April 2014, coral rubble, ~7 m; 35 females, 2 males, UKMMZ-1570, Labas, Pulau Tioman, Pahang, Malaysia, 2°53'13.71"N; 104°3'54.65"E (DMS), C. Melvin, 18 April 2014, coral rubble, ~15 m; 14 females, 4 males, PLAy2-iso4d, Pantai Kok, Pulau Langkawi, Kedah, Malaysia, 6°21'56.05"N; 99°40'31.13"E (DMS), C. Melvin, 8 March 2015, coral rubble, intertidal; 7 females, 1 male, PDYx1-iso4e, Batu Bonchek, Pulau Dayang, Johor, Malaysia, 2°28'40.90"N; 104°30'19.12"E (DMS), C. Melvin, 26 July 2016, coral rubble, ~3m.
Distribution.
Fiji (type locality); Cook Island; Chesterfield and Melish Reefs, Moorea, Coral Sea; Lord Howe I, Tasman Sea; Papua New Guinea; Northern Territory, Queensland, Australia; Pulau Dayang, Pulau Tinggi, Malaysia; Pulau Tioman, Malaysia; Pulau Langkawi, Malaysia.
Molecular data.
A 631 base pairs of COI sequence (GenBank: MF680512) was acquired from one individual of E. collaris . No insertion or deletion in the sequence alignment.
Remarks.
Expanathura collaris is a widespread species dwelling in coral reef rubble especially within the Southeastern Pacific and Australian region (Kensley 1979a; Negoescu 1999; Negoescu and Brandt 2001; Poore and Lew Ton 2002). This is the first record of E. collaris from the Southeast Asia region.