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Fig. 1. Calyces in arborescent Miniacina miniacea (Pallas) from the Gulf of Aqaba. Recent. A: Fragment broken perpendicularly with respect to the axis of the branch, showing an exterior view of the broken funnel walls of the calyces. SEM graph. B: External view of a branch tip showing calyces and apertures at the limiting suture of the expanse chamber that covers previously formed tubular peristomes. SEM graph. C: Fragment broken in the axial plane of branch. SEM graph. D: Thin section perpendicular to the stem axis of the shell. Transmitted light micrograph. Calyces cut obliquely produced characteristic undulating intersections. a: apertures in marginal position, to be transformed into stolons when overgrown by a subseqent expanse chamber; cy: calyx; per: tubular peristome either terminal or overgrown by subsequent expanse chambers; pr: proloculus; s: marginal suture of expanse chamber; st: stolon; (Hottinger, 2006; fig. 25 [1] CC/BY-NC-SA)


  • according to Hottinger (2006):

CALYX - pl. calyces (pillar-pore); a funnel-shaped, perforate invagination of lateral wall supporting expanse chambers over a wide area as in Miniacina.


Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744

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