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 hanleyanum Bittium [ Bittium simplex ( Jeffreys, 1867 ) ] ( Figures 8Q, R ) 1889c: 39 [XXXV: 871]—available name Type material. MCZR –M–21061 —3 sh “ Cerithium ? Coll : Hanl : Mogador ” (recto), “et Casa Blanca Ponsonby ” (verso) Type locality. Described from Tangier , Mogador ( Morocco ). Remarks. Recorded by MolluscaBase (2018) as a synonym of Bittium simplex ( Jeffreys, 1867 ) . † holothurium, Pliocerithium [ Cerithium holothurium (Monterosato, 1910) ] taxon inquirendum ( Figures 8S–U ) 1910: 67, pl. I. fig. 1 [LIX: 1195, 1205, fig. 1]—available name Type material. MCZR–M–8649 —15 sh “ Pliocerithium holothurium Monts. Not. Cerith. 1910 p. 67, f. 1 Cannamasca!”. Type locality. Described from Altavilla † and Cannamasca † ( Sicily ). Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. It may represent a distinct fossil species.