noun
extinct jawless fish of the Devonian with armored head
• Syn: ↑osteostracan
• Hypernyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan
• Member Holonyms: ↑Osteostraci, ↑suborder Osteostraci, ↑Cephalaspida, ↑suborder Cephalaspida
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\\-ˈlaspə̇d\ noun (-s)Etymology: New Latin Cephalaspid-, Cephalaspis
: any ostracoderm of the genus Cephalaspis, family Cephalaspidae, or class Cephalaspida
Useful english dictionary. 2012.