Thoracocephalia

Phylum Terrascolida includes all of the descendants of the Beach Thornworm.

The Beach Thornworm, the ancestor of all other Terrascolidans

Class - Plumosovermia

Order - Dodecapteraformes

(basal wingworms)

Order - Solariscoliciformes

(treeworms)

Order - Patagiavermes

(slugworms) Superfamily - Xenoapoidea (xenobees and bambelins)

Family - Xenoapidae

Superfamily - Arthropennoidea (clickworms and janits)

Family - Aedificidae

(janits, “builders”) Superfamily - Diablomuscoidea (darbolas, “devil-flies”)

Order - Phaneroptera

(clear-wing worm and descendants)

Order - Elytraphora

(pollenworms and sapworms)

Order - Anoptidorates

(dartirs and cousins, “no-eyed spear-havers”)

Family - Spiculatidae

(crown-dartirs)

Order - Nectopennae

(finworms)

Order - Cornoptera

(antlerworms)

Family - Mastacornidae

(butcherworms)

Order - Lapsovermi

(sagworms)

Class - Ophistophagia

(buttworms)

Class - Phobovermia

The Golden Sauceback, the earliest member of the Cephalischians

(Beastworms)

Superorder - Cephalischia

(saucebacks, “head-hips”)

• Families? Superfamilies?

(scorpion saucebacks, waxfaces, sanashies, loafshells, harnessbacks, hagloxes, larvaback) Thoughts? Umm. I’m not familiar enough with the exact relations of these taxa to make any sound judgements. Waxfaces should perhaps be made a superfamily?

Order - Harenaevermiformes

(stem-saucebacks)

Order - Mandibuladonta

Suborder - Plumoplacaformes (feathered saucebacks)

Order - Phobognathiformes

†(vicious sauceback and descendants)