Lygdamis Kinberg, 1867

Hutchings, Pat, Capa, María & Peart, Rachael, 2012, 3306, Zootaxa 3306, pp. 1-60 : 21

Lygdamis Kinberg, 1867

Lygdamis .— Kirtley, 1994: 116. Capa et al. 2012: 261–263 .

Type species. Lygdamis indicus Kinberg, 1867 by monotypy.

Type locality. Bangka Straits , Java, Indonesia .

Diagnosis. Operculum with separated lobes and distal end sloped posteriorly. Opercular paleae straight and smooth, the outer ones flattened and the inner ones cylindrical, resembling spines.

Remarks. The monophyly of Lygdamis was not assessed in the phylogenetic analyses undertaken by Capa et al. (2012) but all species currently assigned to the genus conform to the above diagnosis. The genus is known from 19 species ( Kirtley 1994; Lechapt & Kirtley 1998; Nishi & Kirtley 1999) including the new species described here. Kirtley (1994) suggested that the shape and colouration of the median organ are useful characters especially in live material, but after fixation and preservation they become so distorted as to loose their usefulness.