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We found 12 dictionaries with English definitions that include the word heterostraci: Click on the first link on a line below to go directly to a page where "heterostraci" is defined. General (11 matching dictionaries) Heterostraci: Vocabulary.com [home, info] heterostraci: Wordnik [home, info] heterostraci: Dictionary.com [home, info] Heterostraci: UltraLingua English Dictionary [home, info] Heterostraci: Wikipedia, the Free Encyclopedia [home, info] Heterostraci: Rhymezone [home, info] heterostraci: Free Dictionary [home, info] heterostraci: Mnemonic Dictionary [home, info] heterostraci: WordNet 1.7 Vocabulary Helper [home, info] Heterostraci: LookWAYup Translating Dictionary/Thesaurus [home, info] Heterostraci: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) Heterostraci: Encyclopedia [home, info]

Quick definitions from WordNet (Heterostraci) ▸ noun:  extinct group of armored jawless fishes or fishlike vertebrate; taxonomy is not clear