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WordNet-Online
Definitions from WordNet
Noun osteostracan has 1 sense
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Definitions from the WebOsteostracanDefinition: Osteostracan refers to any extinct jawless fish belonging to the ancient class Osteostraci, known for their bony armored plates covering their head and upper body. Part of Speech: Noun Sense 1: A member of the class Osteostraci. Example Sentence 1: The museum houses a remarkable collection of beautifully preserved osteostracans. Example Sentence 2: Osteostracans were among the earliest vertebrates to appear in the fossil record. Sense 2: The bony armored plates characteristic of osteostracans. Example Sentence 1: The osteostracan's distinctive bony shield provided protection against predators. Example Sentence 2: The detailed structure of the osteostracan plates suggests their function was primarily defensive. Related Products on Amazon: | ||||||
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