Table 5 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)

Table 5. Conch ontogeny of Cymaclymenia lambidia n. sp. from the Anti-Atlas of Morocco. dmConch shapeWhorl cross-section shapeWhorl expansion2 mmthickly discoidal; subevoluteweakly depressed; weakly embracingmoderate(ww / dm = 0.45–0.60; uw / dm = 0.38–0.42)(ww / wh = 1.30–1.50; IZR ∼ 0.10)(WER = 1.80–2.00)6 mmthickly discoidal; subevoluteweakly depressed; weakly embracinghigh(ww / dm = 0.45–0.55; uw / dm = 0.35–0.40)(ww / wh = 1.20–1.30; IZR = 0.20–0.25)(WER = 2.00–2.15)15 mmthinly discoidal; subinvoluteweakly depressed; weakly embracinghigh to very high(ww / dm = 0.40–0.45; uw / dm = 0.20–0.30)(ww / wh = 1.00–1.10; IZR = 0.25–0.30)(WER = 2.10–2.30)40 mmthinly discoidal; subinvoluteweakly compressed; weakly embracinghigh to very high(ww / dm = 0.35–0.40; uw / dm = 0.20–0.25)(ww / wh = 0.80–1.00; IZR = 0.25–0.35)(WER = 2.10–2.30)表5 产自摩洛哥反阿特拉斯山脉的新种镰菊石（Cymaclymenia lambidia n. sp.）的壳体个体发育特征。 列项依次为：壳径（dm）、壳体形态、旋环横截面形状、旋环扩展特征 2mm：壳体呈厚盘形、半外旋；旋环横截面弱扁平、弱包卷；扩展程度中等（旋环宽度/壳径（ww/dm）=0.45–0.60；脐宽/壳径（uw/dm）=0.38–0.42）（旋环宽度/旋环高度（ww/wh）=1.30–1.50；内脐比率（IZR）≈0.10）（旋环扩展率（WER）=1.80–2.00） 6mm：壳体呈厚盘形、半外旋；旋环横截面弱扁平、弱包卷；扩展程度高（ww/dm=0.45–0.55；uw/dm=0.35–0.40）（ww/wh=1.20–1.30；IZR=0.20–0.25）（WER=2.00–2.15） 15mm：壳体呈薄盘形、半内旋；旋环横截面弱扁平、弱包卷；扩展程度高至极高（ww/dm=0.40–0.45；uw/dm=0.20–0.30）（ww/wh=1.00–1.10；IZR=0.25–0.30）（WER=2.10–2.30） 40mm：壳体呈薄盘形、半内旋；旋环横截面弱压缩、弱包卷；扩展程度高至极高（ww/dm=0.35–0.40；uw/dm=0.20–0.25）（ww/wh=0.80–1.00；IZR=0.25–0.35）（WER=2.10–2.30）