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Gruberella flavescens (Gruber, 1889), a multinucleate lobose marine amoeba (Gymnamoebia)

Published online by Cambridge University Press:  11 May 2009

F. C. Page
F. C. Page
Affiliation:
Culture Centre of Algae and Protozoa, Institute of Terrestrial Ecology, Natural Environment Research Council, 36 Storey's Way, Cambridge, CB3 oDT
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Extract

A multinucleate, monopodial, lobose amoeba from a Cornish rock pool was identified as Amoeba flavescens Gruber, 1889, originally described from the Mediterranean. It is the type species of a genus Gruberella. Although its locomotive form and activity resemble those of the uninucleate Vahlkampfiidae and its Golgi system, like that of the vahlkampfiids, is not organized into dictyosomes, its mitotic pattern differs from that of the vahlkampfiids. The presence of mitochondria and other characters distinguish it from Pelomyxa. The only other similar marine amoeba is Hyperamoeba fallax Seravin & Goodkov, 1982, from the Far East. The process of ‘paracopulation’ reported for H. fallax was not observed in the Cornish isolates. Pending more evidence of familial relationships, Gruberella remains incertae sedis within the suborder Gymnamoebia Haeckel, 1862.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 64 , Issue 2 , May 1984 , pp. 303 - 316
Copyright
Copyright © Marine Biological Association of the United Kingdom 1984

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