Bivalvia - Lucinida - Lucinidae
Synonyms: Pillucina (Sydlorina) Iredale 1930, Sydlorina Iredale 1930
Parent taxon: Lucinidae according to E. A. Glover and J. D. Taylor 2007
Sister taxa: Afrolucina, Anodontia, Armimiltha, Austriella, Barbierella, Bretskya, Bulacanites, Cardiolucina, Cavilinga, Chavania, Codakia, Cryptolucina, Ctena, Dilora, Discoloripes, Discolucina, Divalinga, Divaricella, Divaricellinae, Epicodakia, Falsolucinoma, Ferrocina, Fimbria, Fimbriinae, Funafutia, Gigantocyclus, Gonimyrtea, Graecina, Ilioniinae, Illionia, Joellina, Lamylucina, Lepidolucina, Lepilucina, Leucosphaera, Liralucina, Lucininae, Lucinoma, Maorithyas, Meganodontia, Miltha, Milthinae, Milthona, Myrtea, Myrteinae, Myrtina, Nipponothracia, Notomyrtea, Nymphalucina, Parvidontia, Parvilucina, Phenacocyclas, Poumea, Pseudomiltha, Pteromyrtea, Radiolucina, Sinbadiella, Solelucina, Superlucina, Tinalucina, Wallucina
Subtaxa: Pillucina (Pillucina), Sydlorina symbolica
Ecology: facultatively mobile deep infaunal chemosymbiotic