Axinella antarctica ( Koltun, 1964 )

Schejter, Laura, Cristobo, Javier & Ríos, Pilar, 2024, New records of demosponges (Porifera) from the South Orkney Islands (Antarctica) with a checklist for the region, Zootaxa 5403 (4), pp. 401-430 : 418

publication ID	https://doi.org/10.11646/zootaxa.5403.4.1
publication LSID	lsid:zoobank.org:pub:C2EAB19C-07CB-4013-9C93-D25259EA2673
DOI	https://doi.org/10.5281/zenodo.10562193
persistent identifier	https://treatment.plazi.org/id/03D687FD-C51A-8248-FF45-FC5F6D4DBB05
treatment provided by	Plazi (2024-01-24 14:04:37, last updated 2024-11-30 02:48:56)
scientific name	Axinella antarctica ( Koltun, 1964 )
status

Treatment

Axinella antarctica ( Koltun, 1964) View in CoL

( Fig 9a–c View FIGURE 9 )

Restricted synonymy: Bubaris antarctica Koltun, 1964 .

Material examined: 3 specimens collected at station 11 ( SOI; 60°53'S, 42°35'W; 487 m; 10/3/2014; MACN-In 44360; IEO-CSIC Col.) GoogleMaps .

Description: Massive or globular sponge, uneven surface covered with conules. Beige in colour. Spicules are irregularly curved oxeas 480-1170 µm by 20-40 µm and styles 650-3025 µm by 20-50 µm ( Figure 9 View FIGURE 9 ).

Remarks: This species has been recorded from Antarctic waters by Koltun (1964) and Göcke & Janussen (2013). It has also been recorded from Chile ( Desqueyroux 1976) and New Zealand ( Kelly et al. 2009). This represents the first record for the SOI.

References

Desqueyroux, R. (1976) Demosponges signalees pour la Region des Canaux du Chili. Cahiers de Biologie Marine, 17 (1), 93 - 109.

Gocke, C. & Janussen, D. (2013) Demospongiae of ANT XXIV / 2 (SYSTCO I) Expedition - Antarctic Eastern Weddell Sea. Zootaxa, 3692 (1), 28 - 101. https: // doi. org / 10.11646 / zootaxa. 3692.1.5

Kelly, M., Edwards, A. R., Wilkinson, M. R., Alvarez, B., Cook, S. de C., Bergquist, P. R., Buckeridge, St. J., Campbell, H. J., Reiswig, H. M., Valentine, C. & Vacelet, J. (2009) Phylum Porifera: sponges. In: Gordon, D. P. (Ed.), New Zealand inventory of biodiversity. Vol. 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch, pp. 23 - 46.

Koltun, V. M. (1964) Sponges of the Antarctic. 1 Tetraxonida and Cornacuspongida. In: Pavlovskii, E. P., Andriyashev, A. P. & Ushakov, P. V. (Eds.), Biological Reports of the Soviet Antarctic Expedition (1955 - 1958). Akademiya Nauk SSSR, Moscow- Leningrad, pp. 6 - 133 + 443 - 448.

Figures

FIGURE 9. a–c. Axinella antarctica, a. general morphology, scale: 2 cm; b. style, scale: 450 µm; c. flexuous oxea, scale: 200 µm; d-i. Raspailia (H.) hentscheli, d. habitus of fresh specimen, morphology, scale: 5 mm. e. ends of choanosomal styles, scale: 100 µm. f, slender styles, scale: 100 µm. g. echinating acanthostyles, scale: 30 µm. h. skeletal arrangement, central axis of styles, scale: 500 µm. i. skeletal arrangement, detail of echinating acanthostyles (Smooth arrows) and thin styles (Dashed line arrows), scale: 100 µm.