View source for Costae

[[File:Fig.23B.png|thumb|<font size="2">'''Fig. 1.''' Blades, costae and costellae, linear-elongate ornaments of lamellar-perforate shells.
 '''B:''' ''Loxostoma amygdalaeformis'' (Brady), lateral view; (Hottinger, 2006; fig. 23;[http://paleopolis.rediris.es/cg/CG2006_M02/index.html] '''CC'''/BY-NC-SA)]]
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==Definition==
*''according to Hottinger (2006):''
'''COSTAE''' - raised ribs or ridges on test surface. 














==See also==
* [[blades]]
* [[striae]]

==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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