[{SlideShowNav}] !!!Holothurien [{Image src='Holothurien.jpg' caption='Holothurien' alt='Illustration Holothurien' width='553' height='900'}] Illustration aus [Pierers Konversations-Lexikon (Band 7)|web-books/konversationsle07de1890kfu/000397]. [{SET customtitle='Holothurien'}]