Phylum： Echinodermata 棘皮動物門
Class： Echinoidea 海膽綱
Family： Schizasteridae 裂星海膽科
Scientific name： Abatus cavernosus
Chinese name：
Author： Philippi, 1845
Size： 37.66mm
Description： 37.66x33.82x 22.20mm , (female), w/o spines, Antarctica
Acknowledgement：This specimen is one of those echinoidea specimens that were exchanged from my friend Marco Fantin (Italy). I would like to express my thanks to him to broaden my echinoidea collection.
那兩個大大的洞孔是甚麼？我本以為是生殖孔，但是孔洞周圍還有類似真正生殖孔的細孔？
回覆刪除[版主回覆06/24/2012 22:18:01]是生殖孔沒錯,應該是雌性,因為是生殖孔相當大,"孔洞周圍還有類似真正生殖孔的細孔"是眼孔,中央的細孔是篩孔