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Issue: Vol. 5405 No. 1: 26 Jan. 2024
Type: Article
Published: 2024-01-26
DOI: 10.11646/zootaxa.5405.1.7
Page range: 142-150
Abstract views: 182
PDF downloaded: 7

Report of three centrohelid heliozoan species (Centroplasthelida Febre-Chevalier et Febre) from new localities in Europe with notes on their distribution

Laboratory of Preservation and Renewal of Biodiversity; Institute for Evolutionary Ecology of the National Academy of Sciences of Ukraine; Acad. Lebedev street; 37; 03143; Kyiv; Ukraine
Department of Biology; Graduate School of Science; Kobe University; 1-1 Rokkodai-cho; Nada-ku; Kobe 657-8501; Japan
Protist SEM exoskeleton Ukraine sphagnum bog water bodies

Abstract

Raphidocystis marginata (Siemensma, 1981), Raineriophrys echinata (Rainer, 1968), and Pterocystis fortesca (Nicholls, 1983) are heliozoan protists, have been recorded only in a few localities in Europe, and considered to be rare species. These centrohelid heliozoans have been reported for the first time in Ukrainian Polissia, and we provide their morphological descriptions with new morphometric data of exoskeleton (periplast) based on Ukrainian material. The diagnostic morphological characters are illustrated by light and scanning electron microscope photographs. Their geographical distribution in Europe and biotope preference are discussed.

 

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