View source for Carina

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[[File:Fig 29.jpg|thumb|<font size="2">'''Fig.1.'''Carina ([[keel]]).
'''A-B''': ''Spiroplectammina cf. taiwanica'' (Chang), apertural view and side view.
 '''C-E''': ''Paracibicides edomica'' Perelis et Reiss, dorsal (spiral) view, peripheral view and detail of perforation pattern along the peripheral carina on the dorsal surface. Note the interiomarginal, extraumbilical - equatorial position of aperture. All specimens from the Gulf of Aqaba. Recent. SEM graphs.
'''a''': [[aperture]]; '''k''': carina ([[keel]]); '''p''': [[pore]]; (Hottinger, 2006; fig. 29 [http://paleopolis.rediris.es/cg/CG2006_M02/index.html]  with permission from the author)]]
        
==Definition==

*''according to Hottinger (2006):''

'''CARINA''' - (=[[keel]]) is a peripheral thickening of the shell. May be doubled in Cretaceous planktic foraminifera. 
In bilamellar foraminifera formed exclusively by the outer lamella and therefore imperforate. 


==See also==
* [[keel]]

  
==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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