The members of this subphylum are very small and have no hard parts, making their fossils difficult to find.

The class Wallemiomycetes is not yet placed in a subphylum.

A new subphylum, Entomophthoromycotina, has recently been described for them.

This in effect includes all animals apart from the subphylum Vertebrata.

And it is only among the vertebrate subphylum that the brain becomes prominent.

Despite their simple appearance and very different adult form, they are a sister subphylum to the Vertebrata.

Monadofilosa is sometimes treated as a superclass rather than a subphylum.

However, sometimes extra steps are needed, and if so, a subphylum ranks immediately below a phylum.

A superclass is composed of one or more classes, and ranks below a subphylum.

Craniates are the only subphylum whose members have skulls.

This subphylum is characterized by the presence of hydrospires.

This gives the subphylum its name (cephalo- meaning 'relating to the head').

The only class in this subphylum is Saccharomycetes.

It is of uncertain taxonomic placement within the subphylum Chelicerata.

A subphylum is a rank in the Linnaean taxonomy of biological groups.

Sometimes put together with crinoids in the subphylum Pelmatozoa.

The subphylum Crustacea includes a surprising range of parasitoidal species and strategies.

Harpacticoida is an order of copepods, in the subphylum Crustacea.

They live in a symbiotic relationship with a fungus belonging to the subphylum Basidiomycota.

The body of an ascidiacean is surrounded by a test or tunic, from which the subphylum derives its name.

Chlorociboria is a genus of fungi within the subphylum Pezizomycetes.

Amphirhina are animals, a phylogenetic classification within the subphylum vertebrata.

Superclass (biology), a taxonomic rank intermediate between subphylum and class.

They were members of the subphylum Chelicerata.

Members of Fibrobacteres subphylum 2 however, have so far been found only in the gut of termites.