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Fig. 19 | Swiss Journal of Palaeontology

Fig. 19

From: Evolutionary prospection in the Neogene planktic foraminifer Globorotalia menardii and related forms from ODP Hole 925B (Ceara Rise, western tropical Atlantic): evidence for gradual evolution superimposed by long distance dispersal?

Fig. 19

Umbilical, spiral and profile views of menardiform globorotalidss investigated during this study. 13 G. exilis, sample 925B-14-6, 130–131 cm, specimen 925146131aK2601. 46 G. pertenuis, sample 925B-10-4, 126.5–127.5 cm, specimen 925104127aK0901. 79 G. miocenica from sample 925B-10-4, 126.5–127.5 cm, specimen 925104127aK3101. 1012 Transitional form G. menardii-G. pseudomiocenica from sample 925B-23-4, 103–117 cm, specimen 925234103aK1601. 1315 Large post-immigration G. menardii menardii from sample 925B-7-5, 71.5–72.5 cm, specimen 925075072aK1601. 1618 Pre-immigration G. menardii menardiiG. exilis from sample 925B-8-6, 124–125 cm, specimen 925086125bK2801. For color imaging details of specimens see captions of Fig. 18. All figures were imaged at a magnification position at 3.20× (scale bars represent 100 μm)

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