tracheate

[ trey-kee-eyt, -it or, esp. British, truh-kee-it ]

/ ˈtreɪ kiˌeɪt, -ɪt or, esp. British, trəˈki ɪt /

(of an arthropod) having tracheae.

a tracheate arthropod.

Origin of tracheate

1875–80; < New Latin Tracheata name of the class, noun use of neuter plural of tracheātus having tracheae. See trachea, -ate¹

If the ancestor of the Insecta was, as seems possible, tracheate, this fact alone would rule out the trilobites.

The Appendages, Anatomy, and Relationships of Trilobites |Percy Edward Raymond
No tracheate Crustacea are known, but some terrestrial Isopoda develop pulmonary in-sinkings of the integument.

Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 |Various
Hexapoda: tracheate arthropods with head, thorax and abdomen distinct, and only six legs in the adult stage: the true insects.

Explanation of Terms Used in Entomology |John. B. Smith
The present tracheal respiration of the Tracheata developed at a later period out of respiration through the “tracheate gills.”

The History of Creation, Vol. II (of 2) |Ernst Haeckel