subphylum

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sub·phy·lum

 (sŭb′fī′ləm)
n. pl. sub·phy·la (-lə)
A taxonomic category of related organisms ranking below a phylum and above a class.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

subphylum

(sʌbˈfaɪləm)
n, pl -la (-lə)
(Biology) biology a taxonomic group that is a subdivision of a phylum
subˈphylar adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sub•phy•lum

(sʌbˈfaɪ ləm)

n., pl. -la (-lə). Biol.
a category of related classes within a phylum.
[1930–35]
sub•phy′lar, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

sub·phy·lum

(sŭb′fī′ləm)
Plural subphyla
A subdivision of a phylum of organisms. A subphylum contains one or more classes.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.subphylum - (biology) a taxonomic group ranking between a phylum and a class
biological science, biology - the science that studies living organisms
taxon, taxonomic category, taxonomic group - animal or plant group having natural relations
phylum - (biology) the major taxonomic group of animals and plants; contains classes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Among the echinoderms, members of the subphyla Echinozoa (sea urchins and sea cucumbers) express the major yolk protein (MYP) but not vitellogenin (Vtg), while an initial report has documented that two Asterozoa (sea stars) express a vitellogenin.
These ancestral states cover Arthropoda, Chordata, Hemichordata, Echinodermata, and two subphyla in Chordata--Tunicata (sea squirt) and Cephalochordata (amphioxus).
The Phylum Chordata comprises three Subphyla: Urochordata, Cephalochordata, and Vertebrata.