The Clavatulidae (Gastropoda, Conoidea) of the Miocene Paratethys Sea with considerations on fossil and extant Clavatulidae genera Author Harzhauser, Mathias 0000-0002-4471-6655 mathias.harzhauser@nhm-wien.ac.at Author Landau, Bernard 0000-0002-7768-8494 bernardmlandau@gmail.com Author Janssen, Ronald 0000-0002-4471-6655 mathias.harzhauser@nhm-wien.ac.at text Zootaxa 2022 2022-03-30 5123 1 1 172 http://dx.doi.org/10.11646/zootaxa.5123.1.1 journal article 10.11646/zootaxa.5123.1.1 1175-5326 6399827 036F6B4D-CDCC-4CD7-A914-9A1D8C7A097A Perrona perron group This group comprises Perrona descendens ( Hilber, 1879 ) , Perrona floriana ( Hilber, 1879 ) , Perrona ilonae nov. nom. , Perrona loetschi nov. sp. , Perrona louisae ( Hoernes & Auinger, 1891 ) , Perrona sabinae ( Hoernes & Auinger, 1891 ) and Perrona vindobonensis (Quenstedt, 1884) , which we consider to form a monophyletic group. All species are characterized by medium-sized, solid, moderately broad fusiform shells with gradate spire. Morphologically the Perrona descendens group includes also the extant Perrona perron ( Gmelin, 1791 ) and therefore this group represents ‘true’ Perrona .