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Un nouveau genre de Peyssonneliaceae, Metapeyssonnelia (Rhodophyta)
Boudouresque, C.F.; Coppejans, E.; Marcot, J. (1976). Un nouveau genre de Peyssonneliaceae, Metapeyssonnelia (Rhodophyta). Phycologia 15(3-4): 283-288
In: Phycologia. International Phycological Society: Odense. ISSN 0031-8884; e-ISSN 2330-2968, more
Peer reviewed article  
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Keyword
    Marine/Coastal
Authors  Top 
  • Boudouresque, C.F.
  • Coppejans, E., more
  • Marcot, J.
Abstract
    Metapeyssonnelia, a new genus of the Peyssonneliaceae (Rhodophyta), is described. This encrusting orbicular alga is completely calcified by aragonite. Small unicellular rhizoids are present. The centre of the thallus shows a Peyssonnelia-like structure that metamorphes towards the margins of older thalli: in these metamorphosed parts, an inferior perithallus is generated downwards. Each hypothallic cell gives rise to only one coxal cell, even in the metamorphosed parts: this characteristic distinguishes the structure of Metapeyssonnelia from that of Polystrata. The type species is M. feldmannii nov. sp., collected at Port-Cros island (Mediterranean, France).
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