Adauxiliary chamberlet

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Fig. 1. Embryonic and periembryonic chambers in Orbitoides spp. according to Van Hinte's 1966 concept. I: protoconch; II: deuteroconch; PAC: principal auxiliary chamber; PEC: principal epi-auxiliary chamber; AEC: accessory epi-auxiliary chamber. In our view, we prefer to call PAC an auxiliary and AEC an adauxiliary chamber.(Hottinger, 2006; fig. 4 [1] CC/BY-NC-SA)


Definition

  • according to Hottinger (2006):

ADAUXILIARY CHAMBERLET - chamberlet arising from a single radial stolon (additional with respect to the apertures between proto- and deuteroconch) in the embryonic wall of orbitoidiform shells.

References

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

Van Hinte J.E. (1966), Orbitoides from the Campanian type section. Part I. Koninklijke Nederlandse Akademie van Wetenschappen, Proceedings, Amsterdam, (Series B), vol. 69, N° 1, p. 79-110.


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