CG1404_Fig_13

Figure 13. Hexagonocyclina cristensis (Vaughan, 1924) from the Paleocene of Campeche (SE Mexico). Scale bar = 1 mm. A-B, equatorial section. C, detail of the embryonic apparatus. Note the presence of the auxiliary chambers. A, 95-Me-47-56. B, 95-Me-47-57.