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158 results for “Ammonoidea”
Figure 25. Cymaclymenia aulax n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 25. Cymaclymenia aulax n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22651 (Ebbighausen 2008 Coll.) from Aguelmous. (B) Paratype MB.C.22650 (Ebbighausen 2003 Coll.) from Lambidia (Aguelmous). (C) Paratype MB.C.22690 (Ebbighausen Coll.) from Fezzou.
Figure 17 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 17. Topotypes of Cymaclymenia striata (Münster, 1832) from Schübelhammer (Upper Franconia, Germany); all × 1.0. (A) Specimen MB.C.4184 (Münster Coll.). (B) Specimen MB.C.4195 (Münster Coll.). (C) Specimen MB.C.4173 (Münster Coll.).
Figure 13. Cymaclymenia subvexa n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 13. Cymaclymenia subvexa n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22658 (Rücklin 2003 Coll.) from Bou Ifarherioun. (B) Paratype MB.C.22636.1 (Korn 1998 Coll.) from Madène el Mrakib. (C) Paratype MB.C.22656.1 (Korn 1993 Coll.) from Bou Tchrafine. (D) Paratype MB.C.22656.2 (Korn 1993 Coll.) from Bou Tchrafine. (E) Paratype MB.C.22691.1 (Ebbighausen 1988 Coll.) from Fezzou. (F) Paratype MB.C.22691.2 (Ebbighausen 1988 Coll.) from Fezzou. (G) Paratype MB.C.22691.3 (Ebbighausen 1988 Coll.) from Fezzou. (H) Paratype MB.C.22689.1 (Ebbighausen 1988 Coll.) from Fezzou.
Figure 10 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 10. Ontogenetic pathways of six cymaclymeniid species in the morphospace calculated by data using an elliptical Fourier analysis of cross-section shapes.
Figure 16 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 16. Cross sections (A–D; all × 1.5) and ontogenetic trajectories (E–H) of Cymaclymenia formosa n. sp. from the Anti-Atlas of Morocco. (A) Paratype MB.C.22649.3 (Korn 2009 Coll.) from Lambidia. (B) Paratype MB.C.22646.1 (Korn 2009 Coll.) from Madène el Mrakib. (C) Paratype MB.C.22646.2 (Korn 2009 Coll.) from Madène el Mrakib. (D) Paratype MB.C.22646.3 (Korn 2009 Coll.) from Madène el Mrakib. (E) Conch width index (ww / dm). (F) Umbilical width index (ww / wh). (G) Whorl width index (uw / dm). (H) Whorl expansion rate (WER).
Figure 21 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 21. Cross sections (A–I; all × 1.5) and ontogenetic trajectories (J–M) of Cymaclymenia lambidia n. sp. from the Anti-Atlas of Morocco. (A) Paratype MB.C.22632.3 (Korn 1998 Coll.) from Madène el Mrakib. (B) Paratype MB.C.22652.1 (Kullmann Coll.) from Aguelmous. (C) Paratype MB.C.22648.1 (Korn 2009 Coll.) from Lambidia (Aguelmous). (D) Paratype MB.C.22652.2 (Kullmann Coll.) from Aguelmous. (E) Paratype MB.C.22652.3 (Kullmann Coll.) from Aguelmous. (F) Paratype MB.C.22652.4 (Kullmann Coll.) from Aguelmous. (G) Paratype MB.C.22652.5 (Kullmann Coll.) from Aguelmous. (H) Paratype MB.C.22667.1 (Wendt Coll.) from Tizi Ibaouane. (I) Paratype MB.C.22626.1 (Feist 1990 Coll.) from Madène el Mrakib. (J) Conch width index (ww / dm). (K) Umbilical width index (ww / wh). (L) Whorl width index (uw / dm). (M) Whorl expansion rate (WER).
Figure 20. Cymaclymenia lambidia n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 20. Cymaclymenia lambidia n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22632.1 (Korn 1998 Coll.) from Madène el Mrakib. (B) Paratype MB.C.22632.2 (Korn 1998 Coll.) from Madène el Mrakib. (C) Paratype MB.C.22604.1 (Korn 1995 Coll.) from Erfoud. (D) Paratype MB.C.22604.2 (Korn 1995 Coll.) from Erfoud. (E) Paratype MB.C.22604.3 (Korn 1995 Coll.) from Erfoud. (F) Paratype MB.C.22677 (Wendt Coll.) from Aguelmous.
Figure 8 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 8. Morphospace of cymaclymeniid specimens (grey dots) in the scatter plot of the first two PCA axes. Three examples of Devonian ammonoids ranging in the corners of the triangular total morphospace are shown: (A) Carinoceras as a slender, involute ammonoid with high aperture, (B) Prolobites as a globular, involute ammonoid with low aperture and (C) Phenacoceras as a slender, evolute ammonoid with low aperture.
Figure 5 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 5. Geological map of the eastern Anti-Atlas of Morocco with the most important localities of cymaclymeniid ammonoids.
Figure 3 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 3. Cross sections of the six analysed cymaclymeniid ammonoids from the Anti-Atlas of Morocco; all × 1.5. (A) Procymaclymenia ebbighauseni n. sp., paratype MB.C.22639 (Korn 1998 Coll.) from Madène el Mrakib. (B) Cymaclymenia subvexa n. sp., paratype MB.C.22675 (Wendt Coll.) from Bou Ifarherioun. (C) Cymaclymenia formosa n. sp., paratype MB.C.22649.3 (Korn 2009 Coll.) from Lambidia (Aguelmous). (D) Cymaclymenia lambidia n. sp., paratype MB.C.22632.3 (Korn 1998 Coll.) from Madène el Mrakib. (E) Cymaclymenia carnata n. sp., holotype MB.C.22654 (Kullmann Coll.) from Lambidia (Aguelmous). (F) Postclymenia calceola n. sp., paratype MB.C.9302.1 (Korn 2004 Coll.) from Lalla Mimouna.
Figure 2 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 2. Famennian biostratigraphy (based on Korn, 1999; Becker et al., 2002) with the approximate stratigraphic occurrences of the cymaclymeniid species in the Anti-Atlas of Morocco (T., Tournaisian; Fr., Frasnian).
Figure 12 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 12. Cross sections (A–E; all × 1.5) and ontogenetic trajectories (F–I) of Procymaclymenia ebbighauseni n. sp. from Madène el Mrakib (Anti-Atlas of Morocco). (A) Paratype MB.C.22619.2 (Ebbighausen and Korn 2009 Coll.). (B) Paratype MB.C.22619.4 (Ebbighausen and Korn 2009 Coll.). (C) Paratype MB.C.22639 (Korn 1998 Coll.). (D) Paratype MB.C.22619.5 (Ebbighausen and Korn 2009 Coll.). (E) Paratype MB.C.22619.3 (Ebbighausen and Korn Coll.). (F) Conch width index (ww / dm). (G) Umbilical width index (ww / wh). (H) Whorl width index (uw / dm). (I) Whorl expansion rate (WER).
Figure 24. Cymaclymenia serotina n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 24. Cymaclymenia serotina n. sp. from the Anti-Atlas of Morocco; all × 1.0. (A) Holotype MB.C.22605.1 (Korn 1995 Coll.) from Erfoud. (B) Paratype MB.C.22605.2 (Korn 1995 Coll.) from Erfoud. (C) Paratype MB.C.22605.3 (Korn 1995 Coll.) from Erfoud.
Figure 23 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 23. Cross section (A; × 1.5) and ontogenetic trajectories (B–E) of Cymaclymenia involvens Lange, 1929 from the Rhenish Mountains of Germany. (A) Specimen MB.C.22696 (Korn 1977 Coll.) from Becke-Oese. (B) Conch width index (ww / dm). (C) Umbilical width index (ww / wh). (D) Whorl width index (uw / dm). (E) Whorl expansion rate (WER).
Figure 7 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 7. Ontogenetic trajectories of the four cardinal conch parameters conch width index (CWI = ww / dm), whorl width index (WWI = ww / wh), umbilical width index (UWI = uw / dm) and whorl expansion rate (WER) in Cymaclymenia lambidia.
Figure 28 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 28. Cross sections (A–D; all × 1.5) and ontogenetic trajectories (E–H) of Postclymenia calceola n. sp. from Lalla Mimouna (Anti-Atlas of Morocco). (A) Paratype MB.C.9302.2 (Ebbighausen 2005 Coll.). (B) Paratype MB.C.9302.1 (Ebbighausen 2005 Coll.). (C) Paratype MB.C.9302.3 (Ebbighausen 2005 Coll.). (D) Paratype MB.C.9302.4 (Ebbighausen 2005 Coll.). (E) Conch width index (ww / dm). (F) Umbilical width index (ww / wh). (G) Whorl width index (uw / dm). (H) Whorl expansion rate (WER).
Figure 22. Cymaclymenia involvens Lange, 1929 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 22. Cymaclymenia involvens Lange, 1929 from the Rhenish Mountains (Germany); all × 1.0. (A) Holotype MB.C.3695 (Lange 1923 Coll.) from Wocklum. (B) Paratype MB.C.3696 (Lange 1923 Coll.) from Wocklum. (C) Specimen MB.C.22698 (Korn 1975 Coll.) from Dasberg. (D) Specimen MB.C.22699 (Korn 1990 Coll.) from Dasberg.
Figure 6 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 6. Conch dimensions, conch proportions and expansion rates (growth rates) obtained from ammonoid conch cross sections.
Figure 4 in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 4. Suture lines of cymaclymeniid ammonoids from the Anti-Atlas of Morocco. (A) Procymaclymenia ebbighauseni n. sp., paratype MB.C.22620.1 (Ebbighausen and Korn 2009 Coll.) from Madène el Mrakib; at 19.5 mm dm, 8.8 mm wh, × 5.0. (B) Cymaclymenia subvexa n. sp., paratype MB.C.22636.1 (Korn 1998 Coll.) from Madène el Mrakib; at 30.5 mm dm, 13.8 mm wh, × 3.75. (C) Cymaclymenia formosa n. sp., paratype MB.C.22669.4 (Wendt Coll.) from Hamar Laghdad; at 40.5 mm dm, 19.8 mm wh, × 2.5. (D) Cymaclymenia lambidia n. sp., paratype MB.C.22677 (Wendt Coll.) from Aguelmous; at 39.3 mm dm, 18.4 mm wh, × 2.5. (E) Postclymenia calceola n. sp., holotype MB.C.22662.1 (Ebbighausen 2005 Coll.) from Lalla Mimouna; at 53.5 mm dm, 23.4 mm wh, × 2.0.
Figure 27. Postclymenia calceola n in A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian)
Figure 27. Postclymenia calceola n. sp. from Lalla Mimouna (Anti-Atlas of Morocco); all × 1.0. (A) Paratype MB.C.22662.2 (Ebbighausen 2005 Coll.). (B) Holotype MB.C.22662.1 (Ebbighausen 2005 Coll.). (C) Paratype MB.C.22662.3 (Ebbighausen 2005 Coll.). (D) Paratype MB.C.22663.1 (Korn 2005 Coll.). (E) Paratype MB.C.22663.2 (Korn 2005 Coll.).
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