Hyalosphenia papilio paynei subsp. nov. – a highly conspicuous and localized Sphagnum peatland testate amoeba

• Authors: Clément Duckert , Evelyn Greeves , Quentin Blandenier , Richard J. Payne , Edward A.D. Mitchell

Abstracts

EN

Most eukaryotic microbial biodiversity is undescribed, and most species might be morphologically indistinguishable. Notable exceptions are so-called flagship species which are highly conspicuous and can therefore be used to address biogeographical questions. Here we describe Hyalosphenia papilio subsp. paynei, an arcellinid testate amoeba (Amoebozoa; Arcellinida; Hyalospheniidae) from wet hollows in two Sphagnum peatlands, one in Wales and one in Ireland. Phylogenetic analysis based on Cytochrome Coxidase subunit I (COI) sequencing places it within the lineage A of the H. papilio complex, but it differs from all 13 known H. papilio genetic lineages by its very distinctive, wider than long, morphology. The fact that such a conspicuous taxon was never reported in hundreds of studies published on Holarctic Sphagnum peatlands since Leidy’s description of H. papilio in 1874 suggests that this subspecies has not dispersed and survived beyond Britain and Ireland. Furthermore its genetic similarity to H. papilio s. str. suggests that it has recently evolved. The discovery of this new taxon calls for a more detailed analysis of the morphological, ecological and molecular diversity of the H. papilio species complex.

Keywords

EN

Testate amoebae; taxonomy; Hyalosphenia; dispersal limitations; microbial biogeography

• Publisher: Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
• Journal: Acta Protozoologica
• Year: 2023
• Volume: 62
• Pages: 57-63

Dates

published

2023

Contributors

author

Clément Duckert

• Laboratory of Soil Biodiversity, University of Neuchâtel

• https://orcid.org/0000000193862950

author

Evelyn Greeves

• Department of Environment and Geography, University of York

• https://orcid.org/0000000348003422

author

Quentin Blandenier

• Laboratory of Soil Biodiversity, University of Neuchâtel

• https://orcid.org/0000000242970262

author

Richard J. Payne

• Department of Environment and Geography, University of York

author

Edward A.D. Mitchell

• Laboratory of Soil Biodiversity, University of Neuchâtel

• https://orcid.org/000000030358506X

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Identifiers

DOI

10.4467/16890027AP.23.006.19011

Biblioteka Nauki

51995619