Artemisina amlia Lehnert, Stone & Heimler, 2006, sp. nov. ...

• Main Authors: Lehnert, Helmut, Stone, Robert, Heimler, Wolfgang
• Format: Text
• Language: unknown
• Published: Zenodo 2006
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Demospongiae; Poecilosclerida; Microcionidae; Artemisina; Artemisina amlia; Alaska; Aleutian Islands
• Online Access: https://dx.doi.org/10.5281/zenodo.6263580; https://zenodo.org/doi/10.5281/zenodo.6263580

Artemisina amlia sp. nov. (Figs 1 a–b, 2 a–f) Material Holotype: 6221­2B­6 (51°54’49.1’’N, 173°53’8.3’’W, 15 km south of Amlia Island, 119 m depth). The holotype is deposited at the National Museum of Natural History, Washington, D.C., U.S.A. under the registration number USNM 1082993. Description The sponge is stalked with a subhemispherical, conical body. The stalk widens gradually from 4 to 25 mm over a distance of approximately 9 cm and is not sharply separated from the subhemispherical body (Fig. 1 a,b). Surface wartlike, with slightly elevated circular oscules (Fig. 1a), 2 mm in diameter; in ethanol oscules not visible. Texture soft and elastic, easily torn. Exterior colour in life golden­yellow; in preservative the ectosome is translucent with a yellowish choanosome shining through. Skeleton. The ectosome of the upper sphere is composed of a meshwork of polyspicular tracts of small styles with a meshsize of 350–750 µm, single tracts 55–175 µm in diameter. This large mesh is subdivided by a finer net ... : Published as part of Lehnert, Helmut, Stone, Robert & Heimler, Wolfgang, 2006, New species of Poecilosclerida (Demospongiae, Porifera) from the Aleutian Islands, Alaska, USA, pp. 1-23 in Zootaxa 1155 on pages 2-5, DOI: 10.5281/zenodo.172259 ...