subphylum

noun
sub·​phy·​lum | \ˈsəb-ˌfī-ləm \

Definition of subphylum 

: a category in biological classification ranking below a phylum and above a class

First Known Use of subphylum

1869, in the meaning defined above

History and Etymology for subphylum

New Latin

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The first known use of subphylum was in 1869

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More Definitions for subphylum

subphylum

noun
sub·​phy·​lum | \ˈsəb-ˌfī-ləm \
plural subphyla\ -​lə \

Medical Definition of subphylum 

: a category in biological classification ranking below a phylum and above a class

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