p.99:
Cormogonida
nom.n. 
= Mandibulata 
+ Euchelicerata
(kormos
= stem, trunk, gonos = sex; indicating the ususl position of their
gonopores on trunk segments, unlike the Pycnogonida with gonopores on free leg
bases)
Ichthyostraca nom.n.
= Branchiura + Pentastomida
Pentastoma=
Linguatula
(ichthys = fish; indicating their unique parasitism on primary aquatic fish-like chordates or their direct descedants)
Oligostraca
nom.n. = Ostracoda
+ Ichthyostraca
(oligos = few; indicating reduced number of their true body segments)