Sarcotragus mureungensis, Sim & Lee & Kim, 2016

Sim, Chung Ja, Lee, Kyung Jin & Kim, Hyung June, 2016, Ten new species of genus Sarcotragus (Demospongiae: Dictyoceratida: Irciniidae) from Korea, Journal of Species Research 5 (3), pp. 443-458 : 452

publication ID

https://doi.org/ 10.12651/JSR.2016.5.3.443

DOI

https://doi.org/10.5281/zenodo.13146857

persistent identifier

https://treatment.plazi.org/id/03D7F24C-FFCB-4A4D-FF0A-F8D7FB22FC59

treatment provided by

Felipe

scientific name

Sarcotragus mureungensis
status

sp. nov.

8. Sarcotragus mureungensis View in CoL n. sp. ( Fig. 9 View Fig )

Type specimen. Holotype (NIBRIV0000325796), Korea: Mureungachi, Daejeong­eup, Seogwipo­si , Jeju­do, 19 Aug 2015, Moon SE, by SCUBA, Depth 20 m, deposited in the NIBR.

Description. Massive, size up to 13 × 11 × 4.5 cm. Surface covered with filamentous membrane and sharp conules. Filaments wrapped fibres loosely, and filamentous membrane mixed with spicules. Between primary fibres appeared rare branched fibres under membrane. Oscules scattered over sponge surface. Colour in life, gray on outside of sponge and white inside. Texture soft and compressible. Choanosome lacunose.

Skeleton: Primary fibres, 500­1600 μm in diameter, loose and cylindrical fascicles, which filled with wads of filaments. Bridge form of secondary fibres, 100-300 μm in diameter. Under surface membrane, thin branched secondary fibres appeared rarely, and thick subdermal skeletal fibres not appeared. Filaments, 3-6 μm in diameter, terminal knobs, 8­13 μm in diameter.

Etymology. This species is named after the type locality Mureungachi, Jeju­do.

Remark. This new species is distinguished by its rare subdermal branched secondary fibres.

NIBR

National Institute of Biological Resources

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