Haltidytes crassus ( Greuter, 1917 )

Kånneby, Tobias, 2011, New species and new records of freshwater Chaetonotida (Gastrotricha) from Sweden, Zootaxa 3115, pp. 29-55 : 50

publication ID

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

DOI

https://doi.org/10.5281/zenodo.5687647

persistent identifier

https://treatment.plazi.org/id/038DAE0B-847B-FFF1-71F0-FA99FB81F8D6

treatment provided by

Plazi

scientific name

Haltidytes crassus ( Greuter, 1917 )
status

 

Haltidytes crassus ( Greuter, 1917) View in CoL

( Figure 17 View FIGURE 17 )

Localities. Artificial pond, Nybro, Småland (N 56º 44’ 89’’; E 15º 54’ 27’’).

Material. 4 specimens. TL, 97–130 µm; PhL, 35–40 µm; DSL, 100–120 µm; VSL, 120–162 µm.

This species is characterized by three pairs of ventral spines; the posterior pair is the longest. Dorsally five pairs of spines are present; the anterior three pairs originate ventrolaterally while the posterior two pairs originate from the ventral side. Interciliary area naked. Locomotory ciliation in two longitudinal bands, each band further divided into tufts, and three semi-circular bands on the head. The Swedish specimens correspond well to the specimens found in Poland ( Kisielewski, 1981) and Denmark ( Grilli et al., 2010).

Previously reported from Italy ( Balsamo & Tongiorgi 1995), Romania ( Rudescu 1967), Russia ( Preobrajenskaja 1926; Tretjakova 1991), Switzerland ( Greuter 1917), Denmark ( Grilli et al. 2010), Canada ( Schwank 1990), Brazil ( Kisielewski 1991) and Argentina ( Grosso 1973; Grosso & Drahg 1983).

PhL

Phycological Lab Herbarium, University of Messina

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