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Fig. 3 | BMC Ecology and Evolution

Fig. 3

From: Another lesson from beautiful monsters: the case of 'sex reversals' in the Ammonoidea and their significance

Fig. 3

The anomalous individuals of Peltoceras athleta from the Upper Callovian (P. athleta Zone) of Méron. Specimens with lappets (A: n° mbe.9305; B: n° mbe.1401; PYB collection) showing a typical macroconch ornamentation on the phragmocone, passing to a microconch-like morphology approaching the aperture. White dots indicate the end of the phragmocone. Scale bar is 10 mm

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BMC Ecology and Evolution

ISSN: 2730-7182

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