Table 4 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)

Table 4. Conch ontogeny of Cymaclymenia formosa n. sp. from the Anti-Atlas of Morocco.
dmConch shapeWhorl cross-section shapeWhorl expansion2 mmthinly discoidal; subevolute to evolute (ww / dm = 0.35–0.40; uw / dm = 0.40–0.50)weakly depressed; weakly embracing (ww / wh = 1.00–1.25; IZR ∼ 0.10)moderate to high (WER = 1.75–2.10)6 mmthinly discoidal; subevolute (ww / dm = 0.30–0.35; uw / dm = 0.40–0.45)weakly compressed; weakly embracing (ww / wh = 0.80–1.00; IZR ∼ 0.20)moderate to high (WER = 1.95–2.15)15 mmthinly discoidal; subinvolute (ww / dm = 0.30–0.35; uw / dm = 0.20–0.30)weakly compressed; weakly embracing (ww / wh ∼ 0.75; IZR = 0.25–0.30)high to very high (WER = 2.10–2.40)40 mmthinly discoidal; subinvolute (ww / dm = 0.25–0.35; uw / dm = 0.20–0.30)weakly compressed; weakly embracing (ww / wh ∼ 0.65; IZR = 0.25–0.35)high to very high (WER = 2.10–2.40)