The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea) Author Korn, Dieter 286CA4F3-7EBC-4AEF-A66A-B2508D001367 Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin, Germany. dieter.korn@mfn.berlin Author Bockwinkel, Jürgen F7FE7EEA-B678-4FEE-879C-8C429F66BF3A Dechant-Fein-Strasse 22, 51375 Leverkusen, Germany. jbockwinkel@t-online.de text European Journal of Taxonomy 2021 2021-09-23 771 1 79 http://dx.doi.org/10.5852/ejt.2021.771.1503 journal article 4091 10.5852/ejt.2021.771.1503 d4ff05b4-fdac-44e8-8c2e-0733a93169a0 2118-9773 5536097 9FAB6919-E4AC-44A6-89AB-2E236F55FDB5 Subfamily Synpharciceratinae Schindewolf, 1940 Diagnosis Pharciceratidae with closure of the umbilicus in the adult stage. Suture line with six to twenty umbilical lobes. Genera included Synpharciceras Schindewolf, 1940 ; Meropharciceras Becker & House, 1993 ; Neopharciceras Bogoslovsky, 1955 ; Pluripharciceras Bockwinkel, Becker & Ebbighausen, 2013 ; Stenopharciceras Montesinos & Henn, 1986 .