Leviana

(after Framenau & Kuntner 2022): The following morphological and behavioural synapomorphies unequivocally diagnose Leviana from other genera of the Araneidae, specifically those of the putative backobourkiines (Acroaspis, Backobourkia, Carepalxis, Hortophora, Lariniophora, Novakiella, Plebs, Salsa and Socca): abdomen without humeral or posterior dorsal humps; basal arch of the median apophysis of the male pedipalp internally with basally directed spine; female epigyne generally wider than long, ovoid atrium, scape broad to triangular without terminal pocket, but broken off in most specimens; incorporation of a curled leaf as retreat into the periphery of an open V-section in the web (but details on web-building in some species unknown).

Members of the genus Leviana superficially resemble those of the leaf-curling genera Artifex, Deliochus and Phonognatha, particularly in the cylindrical shape of the abdomen and the lack of abdominal humps. However, this is likely a reflection of the leaf-curling behaviour which appears to favour such body shape. Artifex, Deliochus and Phonognatha belong to the araneid subfamily Phonognathinae whereas Leviana morphology is consistent with the backobourkiines.