Systematic rearrangements in an all-genus phylogeny of side-gilled slugs (Heterobranchia: Pleurobranchida) Author Moles, Juan Department of Evolutionary Biology, Ecology and Environmental Sciences, Faculty of Biology, University of Barcelona, Av. Diagonal 643, 08028 Barcelona, Spain juan.moles@ub.edu Author Brenzinger, Bastian SNSB-Bavarian State Collection of Zoology, Section Mollusca, Münchhausenstrasse 21, D- 81247 Munich, Germany Author Berning, Maria I. SNSB-Bavarian State Collection of Zoology, Section Mollusca, Münchhausenstrasse 21, D- 81247 Munich, Germany Author Martynov, Alexander Zoological Museum, Moscow State University, Bolshaya Nikitskaya Str. 6, 125009 Moscow, Russia Author TatianaKorshunova Koltzov Institute of Developmental Biology RAS, Moscow 119334, Russia Author Schrödl, Michael SNSB-Bavarian State Collection of Zoology, Section Mollusca, Münchhausenstrasse 21, D- 81247 Munich, Germany & Biozentrum Ludwig Maximilians University and GeoBio-Center LMU Munich, Germany text Zoological Journal of the Linnean Society 2024 2023-12-26 202 2 1 11 https://doi.org/10.1093/zoolinnean/zlad162 journal article 10.1093/zoolinnean/zlad162 0024-4082 14422258 Tomthompsoniidae fam.nov. ( Fig. 1A ) urn:lsid:zoobank.org:act:F71DA1C1-2926-4ED0-9C52-88514B67D4E4. Type species: Tomthompsonia antarctica (Thiele , 1912). Diagnosis: Internal helicoid shell. Gland producing sulphuric acid, opening into oral tube and pedal gland absent. Long penial sheath covering penial lobe.