Sarcotragus rutzleri, Lee & Yoo & Kim, 2017

Lee, Sue Yeon, Yoo, Jung Sun & Kim, Seung Tae, 2017, New species in two genera, Sarcotragus and Bergquistia (Demospongiae: Dictyoceratida: Irciniidae), from Korea, Journal of Species Research 6, pp. 135-147 : 138

publication ID

https://doi.org/ 10.12651/JSR.2017.6

DOI

https://doi.org/10.5281/zenodo.13163355

persistent identifier

https://treatment.plazi.org/id/EC2487F7-4862-FFBF-5FDE-9625E35DDFD1

treatment provided by

Felipe

scientific name

Sarcotragus rutzleri
status

sp. nov.

2. Sarcotragus rutzleri n. sp. ( Figs. 2, 3)

Type specimen. Holotype (NIBRIV0000811389), Korea: Gapado, Gapa-ri, Daejeong-eup , Seogwipo-si , Jeju-do, 21 Aug 1998, Lee KJ, by SCUBA diving, Depth 20 m, deposited in the NIBR.

Description. Large hemispherical sponge, size up to 16 × 14 × 7 cm. Surface, almost indistinct conules, and covered with thick filamentous membrane. Numerous thin branched fibres and thick perforated skeletal fibres appeared near surface. Small oscules, 1-2.5 mm in diameter, open on top of sponge, and some oscules united with several small oscules. Colour in life pale purple, beige inside. Texture firm and compressible.

Skeleton: Complex fasciculate primary fibres, 150- 250 μm, 500-800 μm in diameter. Secondary fibres, 130- 200 μm in diameter, perforated web or bridged type. Middle part of secondary fibre, simple fascicles ( Fig. 2 G-H). Filaments, two sizes, 2.5-3, 5-8 μm in diameter, terminal knobs, 10-15 μm in diameter.

Etymology. This new species name, rutzleri , is named after Dr. Rützler who is a biologist and curator, Dept. of Invertebrate zoology, Smithsonian Institution, National Museum of Natural History.

Remark. Sponge has thick numerous perforated primary and secondary fibres ( Fig. 2G, H, Fig. 3A, B). Many thin skeletal fibres spread in filamentous membrane near sponge surface ( Fig. 3C, D).

NIBR

National Institute of Biological Resources

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