Figure 25. Halichaetoderma rivale sp. nov. A, lateral view of the anterior body region, showing the cephalic pleurae, head scales, and lamellar expansion of hydrofoil scales. B–D, lateral overview showing the general body organization. Note the ventrolateral row of hydrofoil scales, which run along the outer side of the ciliary bands from the edge of the hypopleurae to the furca base. E, F, details showing the head and trunk scales. at, adhesive tube; ceph, cephalion; epi, epipleurae; das, differentiated anterior section of intestine; hfs, lamellar expansion of hydrofoil scales; hyp, hypopleurae; ov, ovum; phr, pharynx reinforcements; s, sensory bristle. Scale bars = 5 µm (E), 10 µm (F), 15 µm (A, C, D), 30 µm (B).

Published as part of Križanová, Františka Rataj & Vďačný, Peter, 2024, A Heterolepidoderma and Halichaetoderma gen. nov. (Gastrotricha: Chaetonotidae) riddle: integrative taxonomy and phylogeny of six new freshwater species from Central Europe, pp. 283-335 in Zoological Journal of the Linnean Society 200 (2) on page 321, DOI: 10.1093/zoolinnean/zlad079, http://zenodo.org/record/11240054