Article
Phylogenetic relationships inferred from the sequence and secondary structure of ITS1 rRNA in Albinaria and putative Isabellaria species (Gastropoda, Pulmonata, Clausiliidae).
Molecular phylogenetics and evolution - 1 Dec 1995
Schilthuizen M, Gittenberger E, Gultyaev A P
Abstract excerpt
An analysis of the ITS1 sequence variation among five species of terrestrial pulmonate snails was performed to decide between two conflicting hypotheses concerning the phylogeny of these anatomically similar gastropods. It turned out that the so-called genus Isabellaria is a polyphyletic entity; the diagnostic, apomorphic structure of its clausilial apparatus, enabling a nearly complete obstruction of the shell...
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