A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian) Author Klein, C. Author Korn, D. text Fossil Record 2014 2014-02-20 17 1 1 32 http://dx.doi.org/10.5194/fr-17-1-2014 journal article 10.5194/fr-17-1-2014 2193-0074 10965299 Postclymenia Schmidt, 1924 Type species: Postclymenia evoluta Schmidt, 1924 , p. 154 (by monotypy). Genus definition: Genus of the Cymaclymeniidae with thinly discoidal, weakly ornamented conch. Suture line with large, extremely asymmetric and ventrally elongated lateral lobe. Umbilical lobe widely rounded. The genus consists only of two species: the type species and a new species described here. For a discussion of the genus, see Korn et al. (2004) and Korn et al. (2007).