Iophon koltuni Morozov & Sabirov & Zimina 2019, sp. nov ...

• Main Authors: Morozov, Grigori, Sabirov, Rushan, Zimina, Olga
• Format: Text
• Language: unknown
• Published: Zenodo 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Demospongiae; Poecilosclerida; Acarnidae; Iophon; Iophon koltuni; Laptev Sea; laptev; Spitsbergen
• Online Access: https://dx.doi.org/10.5281/zenodo.3664853; https://zenodo.org/record/3664853

Iophon koltuni sp. nov (Figure 3 (a – d1)) Iophon piceus dubius Koltun 1959, p. 151 – 152, fig. 107; pl. XXVI, fig. 2 Iophon cf. nigricans : Dinn and Leys 2018, p. 33 Material examined The holotype was collected at the edge of the continental shelf at the central part of the Laptev Sea (76.76°N, 124.28°E), and deposited in the Edward Eversman Zoology Museum (identification number 2.2.8.443). The paratype was found in the east of the southern tip of Spitsbergen (75.82°N, 25.62°E). Description The examined fragment of sponge is massive and more or less leaf-shaped, with several poorly pronounced lobes, about 8 cm in width and 2 cm in height. Surface uneven, slightly scabrous, coarse-pored, covered with a thin dermal membrane. Disorderly scattered irregular openings (oscules) are often covered by a coarse sieve, or partly hidden by the edges of dermal membrane surrounding them. The dermal membrane (where undamaged) is pierced by numerous small roundish pores often lying in meshes. The consistence of the body is ... : Published as part of Morozov, Grigori, Sabirov, Rushan & Zimina, Olga, 2019, Sponge fauna of the New Siberian Shoal: biodiversity and some features of formation, pp. 2961-2992 in Journal of Natural History 52 (47) on pages 2961-2992, DOI: 10.1080/00222933.2018.1554166, http://zenodo.org/record/3654165 ...