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 Appolloni, Massimo Smriglio, Carlo Amati, Bruno Lugliè, Lorenzo Nofroni, Italo Tringali, Lionello P. Mariottini, Paolo Oliverio, Marco Zootaxa 2018 2018-09-14 4477 1 1 138 , Circulus Circulus [151,365,1589,1614] Scaphopoda Gadilidae Helonyx GBIF Animalia Dentaliida 24 25 Mollusca species jeffreysii  1872b: 31 [VI: 113]—available name   Type material. MCZR–M–21809—8 sh “P” (Palermo) on the cork cap // 3 sh “T” (Trapani). Label on the bottom: “ Circulus jeffreysii, n. sp.” “ Circulus jeffreysii Allerims. Pal. Trap. Magni. S. Vito” (Brugnone’s handwriting).    Typelocality. Describedfrom Palermoand Trapani( Sicily).   Remarks.The species was transferred to the genus  Skeneoidesby Warén (1992). Recorded by MolluscaBase (2018) as  Skeneoides jeffreysii(Monterosato, 1872). 1915524159 [151,830,1733,1758] Described Trapani Palermo 24 25 1 Sicily holotype