Fig. 10 in The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)

Fig. 10. Ponticeras aequabile (Beyrich, 1837); specimen GZG 389-82 from Langenaubach; the specimen erroneously proposed as neotype by House in House & Ziegler (1977). Scale bar units = 1 mm.Published as part of Korn, Dieter & Bockwinkel, Jürgen, 2022, The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea), pp. 10-47 in European Journal of Taxonomy 823 on page 25, DOI: 10.5852/ejt.2022.823.1811, http://zenodo.org/record/662805