Classification and Description of Archeogastropods from Ullung Island Waters

울릉도 해산 원시중복족류 (Archeogastropods)의 분류 및 기재

The present study on the classification and description of the marine archeogastropods based on the materials which were collected collected during the period from 12th to 17th of July in 1989 at nine localities of the Ullung Island. In addition to the 3fimilies and 8 species of the marine archeogastropods that have been reported, 7 familis and 29 species were reported including the 4 families and 21 unrecorede species from the Ullung Island as a result of this study. Among them, 3 species: Tugali decussata A. Adms 1852, Tuistichotuochus kima Shikawa & Habe 1965, Alcyna ocellata A. Adams, 1860 are found to be new to the fauna of Korea.