- Inception
- 400000000 BCE
- described by source
- Nordisk familjebok, Brockhaus and Efron Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, Great Soviet Encyclopedia (1926–1947), Meyers Konversations-Lexikon, 4th edition (1885–1890), Encyclopædia Britannica 11th edition, Armenian Soviet Encyclopedia, vol. 3, Otto's encyclopedia, Pauly–Wissowa
- taxon common name
- Kopffüßer, Κεφαλόποδα, Cephalopods, Pääjalkaiset, Céphalopodes, Glavonošci, Fejlábúak / Lábasfejűek, 頭足綱, Inktvis, Głowonogi, Cefalópodes, Головоногі
- taxon name
- Cephalopoda