Rissooidea
Rissooidea (originally named Rissoacea by Gray[who?] in 1847) is a superfamily of tiny marine snails.[1] Following their phylogenetic analysis of snails in the rissooidean and cingulopsoidean families in 2013, Criscione F. and Ponder W.F. determined that Rissooidea was not monophyletic, and created the superfamily Truncatelloidea, which encompasses many families previously included in the superfamily Rissooidea. Several freshwater, brackish, and semi-terrestrial families and genera within Rissooidea were brought under Truncatelloidea.[2] FamiliesFamilies within the superfamily Rissooidea include:
NomenclatureThe Rissooidea family was previously known as Rissoacea. Prior to the recent ruling by the ICZN, many invertebrate superfamily names ended in the suffix -acea, or -aceae, not -oidea as now required according to ICZN article 29.2. The suffix -oidea was formerly used for some subclasses and superorders, where it is still found. In much of the older literature, including Keen 1958, Moore et al. 1952, and the Treatise on Invertebrate Paleontology, gastropod superfamilies are written with the suffix -acea.[3][4][5] References
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