Undercover speciation of wentletraps (Caenogastropoda: Epitoniidae) in the Southwestern Atlantic Author Zelaya, Diego G. Author Güller, Marina text Zootaxa 2017 4286 1 41 69 journal article 32762 10.11646/zootaxa.4286.1.2 dddc215c-61ae-484e-bc8e-1314354620b2 1175-5326 828294 3B62E1C2-79C6-4A14-9F6D-80D8872118FA Genus: Cirsotrema Mörch, 1852 Type species: Scalaria varicosa Lamarck, 1822 , by monotypy The following species are tentatively placed in Cirsotrema , due to the similarity in jaw morphology. However, they differ strikingly in shell sculpture (see further information in the Discussion section).