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Figure 16 from: De Mattia W, Reier S, Haring E (2021) Morphological investigation of genital organs and first insights into the phylogeny of the genus Siciliaria Vest, 1867 as a basis for a taxonomic revision (Mollusca, Gastropoda, Clausiliidae). ZooKeys 1077: 1-175. https://doi.org/10.3897/zookeys.1077.67081

Figure 16 Siciliaria calcarae calcarae (Philippi, 1844), Monte Bonifato 16.1 whole distal genital organs 16.2 internal distal part of genital organs 16.3 cross section of the spermatophore 16.4 spermatophore 16.5 whole distal genital organs 16.6 internal distal part of genital organs. Siciliaria calcarae belliemii (Brandt, 1961), Monte Belliemi, Partinico 16.7 whole distal genital organs 16.8 internal distal part of genital organs. Siciliaria calcarae belliemii (Brandt, 1961), Castello Calatubo, Alcamo 16.9 whole distal genital organs 16.10 internal distal part of genital organs 16.11 penial pseudopapilla.

ShareScore

28/100

Overall dataset sharing score

Score breakdown

These five areas show where the dataset supports — or may limit — practical reuse.

Stewardship: 8
Harmonization: 4
Access: 16
Reuse readiness: 0
Engagement: 0

Topics

The taxonomy and systematics of the door snail genus Siciliaria was revised based on an integrative approach including a comprehensive genital anatomical investigation which was combined with shell morphology and DNA sequence data (mitochondrial COI nuclear ITS2 sequences). The genital morphology of 120 specimens of 22 taxa from 44 populations was investigated and a new general description of the genital morphology of the genus is provided. Additionally 26 specimens of 14 taxa of five genera (MolluscaBase 2021) of Alopiinae (Mauritanica Charpentieria Stigmatica Gibbularia Papillifera) were included in the genetic analyses. New anatomical structures are described: the parapseudopapilla for Charpentieria dyodon and the hemipapilla for Charpentieria stenzii. In the phylogenetic tree based on COI sequences the species of the genus Siciliaria s. l. from northwestern Sicily were found within two separate highly supported main clades. In the tree based on the nuclear ITS2 marker sequence resolution was considerably lower but it partially confirmed the mitochondrial tree. The genus Sicania Tomlin 1929 (corresponding to main clade II in the trees) is re-introduced. Siciliaria scarificata did not appear in one of the two main clades but clustered together with Mauritanica perinni polygyra. Concerning monophyly of species only the widely distributed S. calcarae was paraphyletic in the COI tree a finding that has to be investigated further with multiple marker sequences. For the other genera (Mauritanica Charpentieria Stigmatica Gibbularia and Papillifera) detailed descriptions of the anatomy of the genital organs of 46 taxa for a total amount of 133 dissected specimens are also provided here. Some of these taxa could be included in the phylogenetic analysis. Although the taxon sampling of these taxa was far from being complete the comprehensive data provided here (concerning morphology genetics and distribution) provide first insights into the phylogenetic relationships of this diverse group of clausiliid taxa. The following six taxa new to science are described: Siciliaria grohmanniana addaurae ssp. nov.Siciliaria calcarae borgettensis ssp. nov.Siciliaria calcarae jatinensis ssp. nov.Siciliaria calcarae parajatinensis ssp. nov.

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