Table 8 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)

Table 8. Conch ontogeny of Postclymenia calceola n. sp. from the Anti-Atlas of Morocco.
dmConch shapeWhorl cross-section shapeWhorl expansion2 mmthinly discoidal; subevoluteweakly depressed or weakly compressed;moderate(ww / dm = 0.30–0.35; uw / dm = 0.40–0.42)weakly embracing(WER = 1.90–2.00)(ww / wh = 0.90–1.10; IZR = 0.10–0.15)6 mmthinly discoidal; subevoluteweakly compressed; weakly embracingmoderate(ww / dm = 0.30–0.35; uw / dm = 0.40–0.45)(ww / wh = 0.90–1.00; IZR = 0.15–0.20)(WER = 1.90–2.00)15 mmthinly discoidal; subevoluteweakly depressed or weakly compressed;moderate(ww / dm = 0.30–0.35; uw / dm = 0.38–0.42)weakly embracing(WER = 1.90–2.00)(ww / wh = 0.80–0.90; IZR = 0.20–0.25)40 mmthinly discoidal; subevoluteweakly depressed or weakly compressed;high(ww / dm = 0.25–0.30; uw / dm = 0.30–0.35)weakly embracing(WER = 2.00–2.10)(ww / wh = 0.70–0.75; IZR = 0.25)