Gordius

Schmidt-Rhaesa, Andreas & Martínez, Jesús, 2016, Gordius gonzalezi, a new species of horsehair worms (Nematomorpha) from Spain, Zootaxa 4103 (1), pp. 63-67 : 67

publication ID

https://doi.org/ 10.11646/zootaxa.4103.1.6

publication LSID

lsid:zoobank.org:pub:3C5B14A9-A5D1-409A-8192-7A9FDEACDF5B

DOI

https://doi.org/10.5281/zenodo.6077009

persistent identifier

https://treatment.plazi.org/id/6E7C3D36-FFE9-A071-98AA-FF6FFA9AFD33

treatment provided by

Plazi

scientific name

Gordius
status

 

Gordius View in CoL View at ENA sp.

Locality: Spain, Laguna de los Peces, Sanabria Natural Park, arroyo del Fuego, 1700m, Zamora, Castilla y León, Spain, 42°10´57.59´´N / 6°43´47.98´´W. Collected on October 21, 2014 by J. Martínez.

This specimen is a male, 70 mm long with a diameter of 0.4 mm. The body color is medium brown, with a white anterior tip followed by a darkly colored collarThe cuticle is smooth ( Fig. 3A View FIGURE 3. A – C ). In the posterior end a semicircular postcloacal crescent is present which directly borders the point where the two tail lobes separate ( Fig. 3B View FIGURE 3. A – C ). A few fine bristles were found on the inner side of the tail lobes ( Fig. 3C View FIGURE 3. A – C ).

The determination of Gordius species is difficult when cuticular characters such as areoles are lacking. From Europe alone, 15 Gordius species with a smooth cuticle have been reported (Schmidt-Rhaesa 2010). The presence and distribution of fine bristles in the posterior end has been used recently to describe new species (Schmidt- Rhaesa 2010, Schmidt-Rhaesa & Prous 2010), but the presence of scattered bristles in the region of the tail lobes has been observed in SEM investigations of several specimens and might be a common pattern in several Gordius species. In “older” descriptions such fine bristles are usually not mentioned and were probably overlooked. Therefore, we regard it best to consider this specimen as Gordius sp., with some affinity to Gordius aquaticus .

Kingdom

Animalia

Phylum

Nematomorpha

Class

Gordioida

Order

Gordioidea

Family

Gordiidae

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