Celleporina costazii ( Audouin, 1826 )

Min, Bum Sik & Seo, Ji Eun, 2016, Three Korean Cheilostomatous Bryozoans from Gageodo Island - new additions to the Korean fauna, Journal of Species Research 5 (3), pp. 566-570 : 5-6

3. Celleporina costazii ( Audouin, 1826) ( Fig. 3 )

Cellepora costazii Audouin, 1826: 237 .

Celleporina costazii : Harmer, 1957: 901; Moyano, 1973:

13; Gordon, 1984: 114, pl. 45, fig. A.

Material examined. NIBRIV0000325939, Gaerinyeo Island , Gageodo Island, 13 Aug. 1998 by SCUBA diving from 18­23 m in depth .

Description. Colony encrusting multi­layered, massive but not growing large. Zooid not distinct, crowded, smooth surface with a few small marginal pores. Orifice with deep U­shaped sinus, high peristome and a pair of lateral avicularia with horizontal, rounded rostrum, complete bar. Interzooidal avicularium large spatulate with crossbar complete. Ovicell semicircular, prominent and broad flat tabula of 11 radiation rips. No spine found.

Zooid ·························································· 520 × 250 μm Orifice ························································ 171 × 182 μm Avicularia·····································246­338 × 108­122 μm Lateral avicularia ·································54­62 × 42­47 μm Ovicell························································ 137 × 150 μm

Distribution. Korea, New Zealand, Easter Island, Red Sea, Sri Lanka, Timor, Indonesia.

Remarks. The number of radiation rips are about 18­ 21 in the specimens of New Zealand ( Gordon, 1984), whereas 11 in Korean specimen.

Figures

Fig. 3. Celleporina costazii (Audouin, 1826). A, zooidal arrangement; B, orifice and avicularia; C, ovicell; D, interzooidal avicularium. Scale bars:A. 500μm. B. 300μm. C, D. 200 μm.