NOMEN: Gnathomorpha Boudreaux 1979 [H.B. Boudreaux . Significance of intersegmental tendon system in arthropod phylogeny and monomonophyletic classification of Arthropoda. pp. 551-586. – In.: A.P. Gupta [ed.]. Arthropod Phylogeny. Van Nostrand Reinhold Company, N.Y., 1979, 1-762]
ORIGINAL LISTED
MEMBERSHIP (Boudreaux 1979):
Trilobitomorpha + Mandibulata 
TYPIFIED NAME IN BASIC FORMAT: Pediculus/f=Scarabaeus/g
(incl. Calymene)
TYPIFIED
NAMES IN USE: -
MODERN STATUS: the oldest name of the taxon which is probably a plesiomorphon.