Polymerurus rhomboides ( Stokes, 1887 )

Kånneby, Tobias, 2011, New species and new records of freshwater Chaetonotida (Gastrotricha) from Sweden, Zootaxa 3115, pp. 29-55 : 49

publication ID

https://doi.org/ 10.5281/zenodo.206874

DOI

https://doi.org/10.5281/zenodo.5687645

persistent identifier

https://treatment.plazi.org/id/038DAE0B-847A-FFF0-71F0-FB2EFC2AF8D2

treatment provided by

Plazi

scientific name

Polymerurus rhomboides ( Stokes, 1887 )
status

 

Polymerurus rhomboides ( Stokes, 1887) View in CoL

( Figure 16 View FIGURE 16 )

Localities. Lake Trösvattnet, Västmanland (N 59º 33’ 21’’; E 14º 29’ 23’’).

Material. 1 specimen. TL, 273 µm; FL, 80 µm; PhL, 50 µm; MD, 13 µm; DC, 20–22; DR,>50; SCA, 18; TS, 6– 7 x 3; VC, 10.

Large elongated species with three-lobed head and well developed cephalion and pleuria. Hypostomium well developed as a transverse bar behind the subterminal mouth. Furca very long, divided into 18 segments. Body covered by oval smooth stalked scales without spines. Interciliary area covered by smaller scales similar in shape to the dorsal ones. Ventral ciliation in two longitudinal bands. Pharynx widens towards the pharyngeal intestinal junction. The Swedish specimen falls within the ranges of previously reported literature data.

This species is widely distributed in Europe (see e. g. Marcolongo 1910; 1914; Mola 1932; Valkanov 1937; Rudescu 1967; Martin 1981; Schwank 1990; Kisielewski 1998) and is also reported from Israel ( Kisielewski 1999), Japan ( Saito 1937), Korea ( Lee & Chang 2000); Cameroon (Togouet Zébaz et al. 2007), Canada ( Schwank 1990), United States ( Stokes 1887; Davison 1938; Anderson & Robbins 1980), Argentina ( Grosso 1975; Grosso & Drahg 1983), Brazil ( Kisielewski 1991) and Australia ( Hochberg 2005).

PhL

Phycological Lab Herbarium, University of Messina

Kingdom

Animalia

Phylum

Gastrotricha

Order

Chaetonotida

SubOrder

Paucitubulatina

Family

Chaetonotidae

SubFamily

Chaetonotinae

Genus

Polymerurus

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