- In biology, a
phylum (/ˈfaɪləm/; pl.: phyla) is a
level of classification, or
taxonomic rank, that is
below kingdom and
above class. Traditionally, in...
-
chordate (/ˈkɔːrdeɪt/ KOR-dayt) is a
bilaterian animal belonging to the
phylum Chordata (/kɔːrˈdeɪtə/ kor-DAY-tə). All
chordates possess, at some point...
- worms, are
animals that
comprise the
phylum Annelida (/əˈnɛlɪdə/; from
Latin anellus 'little ring'). The
phylum contains over 22,000
extant species, including...
- Latin: Nematoda),
roundworms or
eelworms constitute the
phylum Nematoda.
Species in the
phylum inhabit a
broad range of environments. Most
species are...
- into complexes. A top-level (i.e., the largest)
family is
often called a
phylum or stock. The
closer the
branches are to each other, the more
closely the...
- in
which various terms, such as species, genus, family, order, class,
phylum, kingdom, and
domain designate rank. This page
emphasizes absolute ranks...
-
Mollusca is a
phylum of
protostomic invertebrate animals,
whose members are
known as
molluscs or
mollusks (/ˈmɒləsks/).
Around 76,000 extant
species of...
- chordates, the
latter of
which contains the vertebrates. The much
smaller basal phylum Xenacoelomorpha have an
uncertain position within Bilateria.
Animals first...
- century, and even
became elevated to a
variety of
higher ranks,
including phylum, subkingdom, kingdom, and then
sometimes included within the
similarly paraphyletic...
-
Cnidaria (/nɪˈdɛəriə, naɪ-/ nih-DAIR-ee-ə, ny-) is a
phylum under kingdom Animalia containing over 11,000
species of
aquatic invertebrates found both in...
