View source for Infundibulum

[[File:Fig 61.jpg|thumb|<font size="2">'''Fig. 1.'''  Infundibulum and marginal prolongation.
'''A:''' ''Neoeponides bradyi'' (Le Calvez), oblique-ventral view showing infundibulum. SEM graph; Gulf of Aqaba, Red Sea; Recent. '''B:''' ''Eponides repandus'' (Fichtel et Moll), ventral view showing marginal prolongation. SEM graph; Gulf of Aqaba, Red Sea; Recent. '''C:''' Schematic drawing showing position of marginal prolongations in respect to ventral and dorsal test morphology in the last whorl of ''Eponides repandus''; '''gray:''' dorsal view with raised sutures; '''red:''' outline of chamber walls at level ventrally below periphery; '''green:''' ventral ouline of chambers below level of marginal prolongation; '''a:''' [[aperture]]; '''inf:''' infundibulum; '''mpr:''' [[marginal prolongation]]; '''per:''' ([[imperfotate]]) periphery; '''s(d):''' (oblique) [[septum]] (as seen in dorsal view); '''s(per):''' position of septum at level of periphery; '''ss(v):''' (radial) septal suture in ventral view; (Hottinger, 2006; fig. 61)[http://paleopolis.rediris.es/cg/CG2006_M02/index.html] '''CC'''/BY-NC-SA)]]
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==Definition==
*''according to Hottinger (2006):''
'''INFUNDIBULUM''' - ( =inframarginal sulcus; scrobis septalis, pars auct.) – a distinct proximally directed infold in a distal [[chamber wall]] located beneath the periphery on the [[umbilical side]] of trochospiral forms.




==See also==
*[[chamber wall]]
*[[marginal prolongation]]
*[[umbilical side]] 
==References==
Hottinger (2006), [http://paleopolis.rediris.es/cg/CG2006_M02/index.html Illustrated glossary of terms used in foraminiferal research]. [http://paleopolis.rediris.es/cg/uk-index.html Carnets de Géologie], [http://paleopolis.rediris.es/cg/CG2006_M02/index.html Memoir 2], ISSN 1634-0744               
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