Proschizorhynchus pectinatus l’Hardy, 1965

Gobert, Stefan, Monnens, Marlies, Eerdekens, Lise, Schockaert, Ernest, Reygel, Patrick & Artois, Tom, 2020, Schizorhynchia Meixner, 1928 (Platyhelminthes, Rhabdocoela) of the Iberian Peninsula, with a description of four new species from Portugal, European Journal of Taxonomy 595, pp. 1-17 : 9

publication ID

https://doi.org/ 10.5852/ejt.2020.595

publication LSID

lsid:zoobank.org:pub:F81A7282-A44B-4E70-9A44-FE8F67E5C1EA

DOI

https://doi.org/10.5281/zenodo.3664233

persistent identifier

https://treatment.plazi.org/id/245C87ED-4B1F-C83A-FDA8-FE8E69C8EAA9

treatment provided by

Plazi

scientific name

Proschizorhynchus pectinatus l’Hardy, 1965
status

 

Proschizorhynchus pectinatus l’Hardy, 1965 View in CoL

Fig. 2 View Fig F–G

Material examined

PORTUGAL • 1 whole-mount; Algarve region, Faro, Ria Formosa ; 36°59′53″ N, 07°55′41″ W; 19 Sep. 2012; E. Schockaert leg.; low eulittoral zone, loose sand with some organic detritus and very little silt; HU X.1.42 GoogleMaps .

SPAIN • 2 whole-mounts; Doñana National Park; 6 Apr. 2008; B. Tessens and N. Van Steenkiste leg.; sand with Arenicola marina (Linnaeus, 1758) Lamarck, 1801 collected from beach near the river mouth; HU X.1.43–X.1.44.

Previously known distribution

English Channel coast, France ( l’Hardy 1965); near Marseille, France ( Brunet 1970); Rhine-MeuseScheldt Delta, the Netherlands ( Schockaert et al. 1989).

Remarks

Specimens eyeless, measuring 2.5–2.7 mm in length (measured on two whole-mounts). The stylet ( Fig. 2F View Fig ) is thin and strongly curved, with a widened proximal base. Distally, the stylet shows a small, spindle-like piece that is separated from the rest of the stylet by a narrow constriction. The entire stylet has a length of around 93–102 μm (x = 100 μm, n = 3). The stylet is surrounded by a 49 μm long curved cirrus sheath (cirrus in l’Hardy 1965) with parallel grooves. The distal edge of the sheath is armed with spines, measuring 24–30 μm. These measurements are more or less in accordance with those provided by l’Hardy (1965). A tubular, sclerotised spermatic duct with a wide (bulbous) region at the bursa-facing end is present ( Fig. 2G View Fig ).

Kingdom

Animalia

Phylum

Platyhelminthes

Class

Rhabditophora

SubClass

Trepaxonemata

Order

Rhabdocoela

SubOrder

Kalyptorhynchia

InfraOrder

Schizorhynchia

Family

Schizorhynchidae

Genus

Proschizorhynchus

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