Progressive chamber

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  • according to Hottinger (2006):

PROGRESSIVE CHAMBER - a chamber with a supplementary, retrovert aperture giving rise to a supplementary series of chambers (in architectural types with multiple spirals or in orbitoidiform growth following the development of spiral nepionts).


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

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