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Sieve Plates and Habitat Adaptation in the Foraminifer Planulina ornata

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Title: Sieve Plates and Habitat Adaptation in the Foraminifer Planulina ornata
Authors: Resig, Johanna M.
Glenn, Craig R.
Issue Date: Jan 2003
Publisher: University of Hawai'i Press
Citation: Resig JM, Glenn CR. 2003. Sieve plates and habitat adaptation in the foraminifer Planulina ornata. Pac Sci 57(1): 103-110.
Abstract: Planulina ornata (d'Orbigny), a coarsely perforate species of foraminifera
having a low trochospiral test, was recovered attached to phosphatic
hardgrounds from the lower oxygen-minimum zone off Peru. Above the base of
individual pores are calcified, perforate sieve plates, the largest so far described.
Structure of the pores suggests a possible association with mitochondria and
respiratory function. These large pores may facilitate extraction of the severely
limited amount of oxygen from the ambient bottom waters at that locale.
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 57, Number 1, 2003

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