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Caducibranchiata

plural noun
Ca·​du·​ci·​bran·​chi·​a·​ta | \kə¦d(y)üsəˌbraŋkēˈätə, -ˈātə\

Definition of Caducibranchiata 

1 in former classifications : a division of tailed amphibians whose gills are lost in adult life

2 : thaliacea

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First Known Use of Caducibranchiata

1838, in the meaning defined at sense 1

History and Etymology for Caducibranchiata

New Latin, from caduci- (from Latin caducus falling) + Latin branchiae gills + New Latin -ata; akin to Greek bronchos throat

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The first known use of Caducibranchiata was in 1838

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