Barkeriella, Manganelli & Lesicki & Benocci & Barbato & Miserocchi & Pieńkowska & Giusti, 2023

Manganelli, Giuseppe, Lesicki, Andrzej, Benocci, Andrea, Barbato, Debora, Miserocchi, Danio, Pieńkowska, Joanna R. & Giusti, Folco, 2023, A small slug from a tropical greenhouse reveals a new rathouisiid lineage with triaulic tritrematic genitalia (Gastropoda: Systellommatophora), Zoological Journal of the Linnean Society 197 (1), pp. 76-103 : 96

BARKERIELLA GEN. NOV.

Zoobank registration: urn:lsid:zoobank:org:act:AC660310-BCA7-4EA4-B2C2-2194AFA7CE9A .

Type species: Barkeriella museensis sp. nov.

Etymology: The new genus is named after Gary Barker from Hamilton, New Zealand, a leading land gastropod biologist and author of The biology of terrestrial molluscs and Natural enemies of terrestrial molluscs and also the author of a major review on systellommatophoran gastropods ( Barker, 2001).

Diagnosis: A genus of the rathouisiids characterized by mantle finely granulated with no sharp delimitation between the dorsal and lateroventral sector; radula consisting of many rows of unicuspidate hook-like teeth; central tooth present; genitalia of triaulic (three ducts for gametes: one vaginal for receiving allosperm from partner, one oviductal for conveying eggs to the outside, one penial for carrying autosperm to penis) and tritrematic type (three genital openings: vaginal, oviductal and penial); large, conspicuous glandular structure, possibly consisting of a small, whitish albumen gland proximally and a large subtransparent uterine oviduct medium-distally; single Simroth’s penial accessory gland.