From Foraminifera
Jump to: navigation, search
Fig. 1. Umbos and umbilical plugs. A-C: Elphidium craticulatum (Fichtel et Moll) from the Gulf of Aqaba, Red Sea. Recent. A: lateral view, SEM graph. B: peripheral view, SEM graph. C: slightly oblique axial section cutting through the symmetrical pair of umbilical plugs. Note the presence of spaces in the biumbilical shell, caused by spiral canals and funnels. Transmitted light micrograph; af: apertural face; fo: fossette; fu: funnel; m: mask; rp: retral process; s: septum; spc: spiral canal; upl: umbilical plug; (Hottinger, 2006; fig. 77)[1] CC/BY-NC-SA)


  • according to Hottinger (2006):

MASK - mineralized element(s) of the test that obstruct a primary cameral aperture; resorbed in subsequent growth stages.


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

                                   | Foraminifera  |  FORAM-Links | Contributors  |