Acanthoclinus Small 320×122 Medium 640×243 Large 1024×390 Download Tiff Original 2400×913 | (700.8 KB) Description "(A fish that) had a compressed claviform body, posterior dorsal fins nearly opposite to the anus, prolonged upper tail-lobe, and well-developed spines in front of the fins."-Whitney, 1902 Keywords acanthoclinidæ, ancient fish, extinct, fish Galleries Fish: A-B Source: William Dwight Whitney, The Century Dictionary, an Encyclopedic Lexicon of the English Language (New York: The Century Co., 1902)I:29