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Meaning of ptyctodontidan | Babel Free

Noun CEFR C2

Definitions

Any member of the Ptyctodontida order of extinct placoderms.

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

ptyxis PU pu pu pu-erh Pu-Xian Min pu.