Psammocinia foraminis, Lee & Yoo & Kim, 2017

Lee, Sue Yeon, Yoo, Jung Sun & Kim, Seung Tae, 2017, New species in two genera, Psammocinia and Ircinia (Demospongiae: Dictyoceratida: Irciniidae), from Korea, Journal of Species Research 6, pp. 94-109 : 101

publication ID

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

persistent identifier

https://treatment.plazi.org/id/43238785-AF55-FFBA-F8B0-FE26FE31FAA9

treatment provided by

Felipe

scientific name

Psammocinia foraminis
status

sp. nov.

6. Psammocinia foraminis View in CoL n. sp. ( Fig. 6)

Type specimen. Holotype (NIBRIV0000801025), Korea: Hwasun Harbor, Andeok-myeon, Seogwipo-si , Jeju-do, 30 Sep 2014, Kim HS, by SCUBA, depth 25-30 m, deposited in the NIBR.

Description. Massive sponge like thick plat, size up to 17 × 8 × 4.5 cm. Surface, smooth with round low conules. Sand crust at surface, 0.5-1 mm in thick. Many oscules, like holes, 3-6 mm in diameter, spread over sponge surface. Many ophiuroidean species (Echinodermata) oc- curred in hole of sponge body. Color in life, black, white inside. Texture, firm and slightly compressible.

Skeleton: Regular arrangement of skeletal structure. Longitudinal primary fibres, 150-250 μm in diameter, densely arranged and cored with sand, Thick primary fibres, 300-500 μm in diameter, distributed at base of sponge. Two types of secondary fibres appeared, a branch type, 50-120 μm in diameter, and the other web pattern, 600-900-1200 μm wide. Loosely spread secondary fibres, almost clear ( Fig. 6H). Occasionally, secondary fibres have large sand particles, 180-300 μm in diameter. Fila- ment, 4-7 μm in diameter, with terminal knobs, 8-10 μm in diameter.

Etymology. This species name foraminis is named after numerous holes of sponge surface.

Remark. This new species characterized by numerous holes of sponge surface and many opiuroidean species live in hole of sponge body.

NIBR

National Institute of Biological Resources

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