A New Record of Genus Echinolampas Sea Urchin (Echinoidea: Echinolampadoida: Echinolampadidae) from Jejudo Island, Korea
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A sea urchin was collected from 140 m deep at Gapado which is nearby Moseulpo in Jejudo Island, Korea on 30 June 2010. This specimen was classified as Echinolampas koreana H.L. Clark 1925, belonging to family Echinolampadidae of order Echinolampadoida based on its morphological characteristics. This order and lower categories are newly recorded from Korea. Distinct morphological characters of this species are as follows: test is relatively high. Abactical system has four large genital pores. Periproct is slightly sunken and situated below equator line. Peristome is very small and rather deeply sunken. Tridentate and ophiocephalous pedicellariae are present. Color in alcohol is light purple. These morphological characters are re-described with illustrations.
Abstract
A sea urchin was collected from 140 m deep at Gapado which is nearby Moseulpo in Jejudo Island, Korea on 30 June 2010. This specimen was classified as Echinolampas koreana H.L. Clark 1925, belonging to family Echinolampadidae of order Echinolampadoida based on its morphological characteristics. This order and lower categories are newly recorded from Korea. Distinct morphological characters of this species are as follows: test is relatively high. Abactical system has four large genital pores. Periproct is slightly sunken and situated below equator line. Peristome is very small and rather deeply sunken. Tridentate and ophiocephalous pedicellariae are present. Color in alcohol is light purple. These morphological characters are re-described with illustrations.
참고문헌 (8)
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- Kier PM., "Index of living and fossil echinoids 1924-1970", Smiths. Contr. Paleobiol, 34, pp.1~182 (1978)
- "Echinolampas koreana H.L. Clark, 1925, World Echinoidea Database" (2015)[URL]
- Lambert J., "Essai de Nomenclature Raisonnée des Echinides", L. Ferrière, Chaumont, Fasc, 5, pp.321~384 (1921)
- Mortensen T., "A Monograph of the Echinoidea. IV, 1 Holectypoida", pp.371~ (1948), Cassiduloida. C.A. Reitzel
- Smith AB., "The Echinoid Directory" (2013), World Wide Web electronic publication