Aspects of valve morphology in Plagiotropis arizonica, a diatom with an imperforate siliceous covering

Aspects of valve morphology in Plagiotropis arizonica, a diatom with an imperforate siliceous covering

Plagiotropis arizonica, a member of a typically marine genus occurring in inland waters of high specific conductance, is shown to possess a laminar valve which is entire externally and occluded-poroid internally. The adaptive significance of this structure remains to be determined; the possibility o...

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Veröffentlicht in:Transactions of the American Microscopical Society 1980-10, Vol.99 (4), p.445-447
Hauptverfasser: Czarnecki, David B., Blinn, Dean W., Grim, J. Norman
Format: Artikel
Sprache:eng
Schlagworte:
Cell walls
Diatoms
Shorter Communications
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Zusammenfassung:Plagiotropis arizonica, a member of a typically marine genus occurring in inland waters of high specific conductance, is shown to possess a laminar valve which is entire externally and occluded-poroid internally. The adaptive significance of this structure remains to be determined; the possibility of ion- and/or photo-regulation is discussed.
ISSN:0003-0023
2325-5145
DOI:10.2307/3225655