How do you spell Acrania
Definitions
Available Definitions:
1) n. - Partial or total absence of the skull.
2) n. - The lowest group of Vertebrata, including the amphioxus, in which no skull exists.
Available Definitions:
1) n. - Partial or total absence of the skull.
2) n. - The lowest group of Vertebrata, including the amphioxus, in which no skull exists.
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