1) Phylum 2) Subphylum pentastomida 3) Tongue worms 
• (n. pl.) Same as Linguatulina.
Pen`ta·stom'i·da noun plural [ New Latin , from ... (see Penta- ) + ... a mouth.] (Zoology) Same as Linguatulina . 
Type: Term Pronunciation: pen′tă-stom′i-dă Definitions: 1. The tongue worms, a group of parasitic wormlike animals considered to form a distinct phylum thought to be descended from primitive arthropods, although modified by parasitism to form elongate, pseudosegmented, wormlike organisms with two to three pairs of budlike dege...
[n] - tongue worms
subphylum Pentastomida noun tongue worms