“…Reversal of precedence applies here ( ICZN 1999 : Article 23.9). Onchis , the senior synonym, “has not been used as a valid name after 1899” ( ICZN 1999 : Article 23.9.1.1) and Peronia , the junior synonym, “has been used for a particular taxon, as its presumed valid name, in at least 25 works, published by at least 10 authors in the immediately preceding 50 years and encompassing a span of not less than 10 years.” ( ICZN 1999 : Article 23.9.1.2) A chronological list of 25 works meeting the criteria of ICZN Article 23.9.1.2 is provided here, all of which mentioning Peronia , Peronia verruculata , or Peronia peronii as valid names: Marcus and Marcus (1970) , Starobogatov (1976) , Britton (1984) , Biskupiak and Ireland (1985) , Faulkner (1987) , Pietra (1990) , Arimoto et al (1993) , Davies-Coleman and Garson (1998) , Pietra (2002) , Nakaoka et al (2006) , Carbone et al (2009) , Morrisey et al (2010) , Dayrat et al (2011) , White et al (2011) , Gaitán-Espitia et al (2013) , Mandal and Harkantra (2013) , Sun et al (2014) , Bitaab et al (2015) , Harasewych et al (2015) , Liu et al (2015) , Wardiatno et al (2015) , Sun et al (2016) , Santhosh Kumar et al (2016) , Solanki et al (2017) , Xu et al (2018) . Onchis Férussac, 1822, objective senior synonym, is regarded as a nomen oblitum , and Peronia Fleming, 1822a, objective junior synonym, is regarded as a nomen protectum ( ICZN 1999 : Article 23.9.1.2).…”