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Published December 31, 2013 | Version v1
Taxonomic treatment Open

Radiella antarctica Plotkin & Janussen 2008

Description

Radiella antarctica Plotkin & Janussen, 2008

Radiella antarctica Plotkin & Janussen, 2008: 111 –116, figs. 7–9, tab. 4.

Material. 1 specimen from station 039-16 (SMF 11772), 2151.3 m, 64° 28.79' S, 2° 52.74' E, 0 4.01.2008.

Description. Discoidal sponge, encrusting on stone. About 8 mm in diameter, 3 mm thick. Skeleton formed by tracts of tylostyles about 1600 µm long, radially arranged, running from the basis towards the surface. Cortex a palisade of small tylostyles, about 640 µm in length. A marginal fringe made up of additional tylostyles (2500– 5600 µm).

Description and Remarks. The species R. antarctica was described by Plotkin and Janussen (2008) from material of the ANDEEP II and III expeditions in the Weddell Sea. The new specimen shows similar characteristics.

Notes

Published as part of Göcke, Christian & Janussen, Dorte, 2013, Demospongiae of ANT XXIV / 2 (SYSTCO I) Expedition — Antarctic Eastern Weddell Sea, pp. 28-101 in Zootaxa 3692 (1) on page 40, DOI: 10.11646/zootaxa.3692.1.5, http://zenodo.org/record/249019

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Linked records

Additional details

Biodiversity

Family
Polymastiidae
Genus
Radiella
Kingdom
Animalia
Order
Hadromerida
Phylum
Porifera
Scientific name authorship
Plotkin & Janussen
Species
antarctica
Taxon rank
species
Taxonomic concept label
Radiella antarctica Plotkin, 2008 sec. Göcke & Janussen, 2013