Der`o*tre"ma*ta (?), n. pl. [NL., fr. Gr. skin + , , hole.] Zool.

The tribe of aquatic Amphibia which includes Amphiuma, Menopoma, etc. They have permanent gill openings, but no external gills; -- called also Cryptobranchiata.

[Written also Derotrema.]

 

© Webster 1913.

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