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WordNet-Online
Definitions from WordNet
Noun order anaspida has 1 sense
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Definitions from the WebOrder AnaspidaDefinition:The Order Anaspida refers to an extinct group of jawless fish that lived from the Silurian to the Devonian periods. They are characterized by armored plates covering their head and trunk. Sense 1:NounOrder Anaspida, also known as the anaspids, were one of the earliest known groups of vertebrates. Example sentence: Fossil records suggest that Order Anaspida had a wide geographic distribution during the Silurian period. Sense 2:NounOrder Anaspida, also referred to as the Galeaspida, had a unique morphology compared to other jawless fish. Example sentence: The fossilized remains of Order Anaspida provide valuable insights into the evolution of early fish species. Related Products: | ||||
order aepyorniformes order agaricales order alcyonaria order alismales order amoebida order amoebina order amphipoda order anacanthini order anaspida order andreaeales order anguilliformes order anoplura order anostraca order anseriformes order anthocerotales order anura order aphyllophorales
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