Ancyloceras Small 320×152 Medium 640×304 Large 1024×486 Download Tiff Original 2400×1140 | (869.0 KB) Description "A genus of fossil terebranchiate cephalopods, of the family Ammonitidæ, or made the type of a special family Ancyloceratidæ."-Whitney, 1902 Keywords Cephalopod, fossil Galleries Centipedes and Millipedes Source: William Dwight Whitney, The Century Dictionary, an Encyclopedic Lexicon of the English Language (New York: The Century Co., 1902)I:204
