Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma Author Appolloni, Massimo Author Smriglio, Carlo Author Amati, Bruno Author Lugliè, Lorenzo Author Nofroni, Italo Author Tringali, Lionello P. Author Mariottini, Paolo Author Oliverio, Marco text Zootaxa 2018 2018-09-14 4477 1 1 138 journal article https://doi.org/10.11646/zootaxa.4477.1.1 5846b72f-37ca-4033-af93-c20fb297add9 1175-5326 1454652 5A6191BD-03BA-4374-B779-B3E73652BC7C actoni , Pseudomalaxis [ Pseudomalaxis zanclaeus ( Philippi, 1844 ) ] ( Figures 24M, N ) 1913: 362, 363, 3 unnumb. figs [LIX: 1226, 1227, 3 unnumb. figs]—available name Type material. MCZR –M–21851 —1 sh “ Omalaxis zancleus, Ph. Sardegna Esemplare grande” “ Esemplare figurato” + 1 sh “ Omalaxis zanclea ( Bifrontia ) Phil. Algeri es. più piccolo” Type locality. Described from Napoli ( Italy ), Palermo ( Sicily ) , Sardinia and Algeria . Remarks. Name proposed to distinguish the Recent species from the fossil Bifrontia zanclaea Philippi, 1844 , considered as distinct species. Recorded by MolluscaBase (2018) as Pseudomalaxis zanclaeus ( Philippi, 1844 ) .