Refereed Article Taxonomy and anatomy of Amphiboloidea (Gastropoda: Heterobranchia: Archaeopulmonata)

Citation: Golding, R. E; Ponder, W. F; Byrne, M. 2007. Taxonomy and anatomy of Amphiboloidea (Gastropoda: Heterobranchia: Archaeopulmonata). Zootaxa. 1476. 1-50. ISSN 1175-5326


The taxonomy of the pulmonate superfamily Amphiboloidea is investigated with particular reference to Australasian taxa. Anatomical features of the alimentary, reproductive and central nervous systems differ substantially between taxa, and conchological, opercular and radular characters are also described. Four genera are recognised in Amphibolidae; Amphibola Schumacher, 1817, Salinator Hedley, 1900, Lactiforis gen. nov. and Naranjia gen. nov.. Two additional genera are assigned to new families; Phallomedusa gen. nov. (Phallomedusidae fam. nov.) and Maningrida gen. nov. (Maningrididae fam. nov.). Phallomedusidae fam. nov. is characterised by a paucispiral, keeled operculum and syntremous diaulic reproductive system with a complex, spiral penis. Maningrididae fam. nov. has an expanded operculum with a marginal nucleus and a syntremous diaulic reproductive system with two novel copulatory structures at the genital aperture. Taxonomic descriptions and a key are provided for eight Australian species; Salinator fragilis (Lamarck, 1822), Salinator tecta sp. nov., Salinator rhamphidia sp. nov., Salinator rosacea sp. nov., Lactiforis tropicalis sp. nov., Phallomedusa solida (Martens, 1878), Phallomedusa austrina sp. nov., and Maningrida arnhemensis sp. nov. and three non-Australian taxa; Amphibola crenata (Martyn, 1786), Lactiforis takii (Kuroda, 1928) and Naranjia cf. swatowensis (Yen, 1939).

Key words: Basommatophora, Pulmonata, Archaeopulmonata, Amphibolidae, new taxa, morphology

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