Ichthydium diacanthum Balsamo & Todaro, 1995

Kånneby, Tobias, Todaro, Antonio & Jondelius, Ulf, 2009, One new species and records of Ichthydium Ehrenberg, 1830 (Gastrotricha: Chaetonotida) from Sweden with a key to the genus, Zootaxa 2278, pp. 26-46 : 31

publication ID	https://doi.org/10.5281/zenodo.191157
DOI	https://doi.org/10.5281/zenodo.5627839
persistent identifier	https://treatment.plazi.org/id/03834469-FFB1-0319-FF02-FF7BF5B6FE46
treatment provided by	Plazi (2016-04-20 03:53:28, last updated 2021-10-30 17:58:05)
scientific name	Ichthydium diacanthum Balsamo & Todaro, 1995
status

Treatment

( Figures 8 A, B View FIGURE 8. A – H ; Table 2)

Localities: Bog close to E 14, Jämtland, Sweden (63 º 21.248 ’N; 12 º 35.403 ’E).

Material: 1 specimen.

Remarks: The Swedish specimen of I. diacanthum agrees well with the morphometric data given by Balsamo & Todaro (1995). This species is characterized by a fine pattern of cuticular microsculptures which gives the cuticle a granulated appearance. PhIJ at U 29; ASB at U 22; PSB at U 75.

Associated gastrotrich fauna: Chaetonotus oculifer and Ichthydium skandicum n. sp.

References

Balsamo, M. & Todaro, M. A. (1995) Gastrotrichi del Trentino: le Viotte del Monte Bondone. Studi Trentini di Scienze Naturali - Acta Biologica, 70, 9 - 22.

Figures

FIGURE 8. A – H) Incertae sedis continued. A) Ichthydium diacanthum dorsal and B) ventral view. C) I. plicatum dorsal and D) ventral view. E) I. squamigerum dorsal view and F) bi-keeled scales anchoring posterior sensory bristles. G) I. squamigerum ventral view. H) I. tergestinum dorsal view. A, B, original; C, D, modified from Balsamo & Fregni (1995); F, after Balsamo & Fregni (1995); E, G, original; H, modified from Grünspan (1908). Scale bars: 20 µm.