Angursa capsula Bussau, 1992

Fujimoto, Shinta & Hansen, Jesper Guldberg, 2019, Revision of Angursa (Arthrotardigrada: Styraconyxidae) with the description of a new species from Japan, European Journal of Taxonomy 510, pp. 1-19 : 8

publication ID

https://doi.org/ 10.5852/ejt.2019.510

publication LSID

lsid:zoobank.org:pub:BF58E108-2C6C-4A80-BD7D-47FEF5805B06

DOI

https://doi.org/10.5281/zenodo.5941833

persistent identifier

https://treatment.plazi.org/id/03D3878D-FF91-581D-1C3E-6113DAFFFE86

treatment provided by

Plazi

scientific name

Angursa capsula Bussau, 1992
status

 

Angursa capsula Bussau, 1992 View in CoL

Fig. 5 View Fig

Material examined

All three specimens were collected from a manganese nodule area off Peru, but it is not clear whether the paratypes observed in this study were collected with the holotype or at a nearby site on a different day since the museum catalogue numbers were not mentioned in the original description ( Bussau 1992).

Holotype PACIFIC OCEAN • adult ♀; tropical SE Pacific, Peru Basin, collected from a manganese nodule area off Peru, 4140–4170 m deep; 07°03′84″ S, 88°28′15″ W; 17 Feb. 1989; SMF 28 View Materials .

Paratypes

PACIFIC OCEAN • 2 specimens collected from a manganese nodule area off Peru; SMF 29 View Materials , SMF 30 View Materials .

Remarks

The re-examination of the type material revealed the presence of the paired globular body fringing the mouth in the holotype ( Fig. 5A View Fig ), the shallow bases of the primary clavae and the lateral cirri which we do not regard as pedestals, and the morphology of the leg IV sensory organs ( Fig. 5B View Fig ) to be not significantly different from those of A. abyssalis and A. clavifera ( Renaud-Mornant 1981; Noda 1985). The third point is especially important as its “capsule-shaped” leg IV sensory organ has been the primary diagnostic character for this species ( Bussau 1992). The seconday and tertiary clavae were now very difficult to observe in the holotype. They were observed in SMF 29, but their complete contours were difficult to recognize.

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