Spondylozoa

Spondylozoa includes the vertebrate fauna on Sagan 4.

=Class - Saganisauria=

Clade - Podometasauria
(snappers)

Order - Dakopteriformes
(skysnappers) (weavesnapper and it's descendants) (skyreapers)
 * Family - Passerisauridae
 * Family - Tromerocaelidae

Order - Hymenodorsiformes
(stem earbacks)
 * Family - Ovisauridae (eggsnappers)
 * Family - Actinosauridae (Grasssnapper and it's descendants)

Order - Dorsaurosauria
(true earbacks)
 * Family - Anoptidae(modern earbacks)
 * Family - Earsauridae(basal-earbacks)

Order - Eusaganichelonii
(basal turtsnappers)

Order - Fluniformes
(flunes)
 * Family - Spherosauridae(basal flunes)
 * Family - Spinomaxillidae(flunejaws; defining traits - powerful jaw muscles, semi-erect or erect posture)
 * Family - Spinobatrachidae(toadtugas)

Order - Teguloterguformes
(tile+thornbacks)

Suborder - Acanthomoi (thornbacks, “thorned-shoulders”) Suborder - Stegocorni Suborder - Stegolacertae (lizard-like tilebacks, probably polyphyletic)
 * Family
 * Family - Stegocornidae (shinglesaurs)
 * Family - Poseidonasauridae (marine stegocornids)

Order - Refulgisauria
(glowsnappers+yellowfeens) (several more families and possibly subfamilies)
 * Family - Neoluceremundaridae(yellowfeens, chromocanths - including the cave volox would make this taxon polyphyletic)
 * Family - Neovolocidae (cave volox and vicious volox)
 * Family - Pharocaudidae(signaltails, literally “lighthouse-tails”)
 * Family - Nautichelonidae(hullbacks)
 * Family - Pseudosauropodidae(sailshells, sailmails)
 * Family - Tronasauridae(Glowoggs)
 * Family - Nitercanthidae(Glowspikes)

Clade - Sublabromotus

Order - Saganophidia
(limblesses+seaswimmers) Superfamily - Teratophoidea (stem-limblesses, i.e. everything not descended from the rainforest limbless) Superfamily - Eusaganophidioidea (True limblesses) Superfamily - Ophanguilloidea (seaswimmers)
 * Family - Loricolubridae (descendants of the Squat Limbless other than the Tejdaw and its descendants)
 * Family - Tedjavidae (Tejdaw and its descendants)
 * Family - Stegochordidae (Serpmanders and allies)
 * Family - Loricacollidae (Crested Limblesses)
 * Family - Scopaspidopophidae (Skywatchers)
 * Family - Jasconidae
 * (are any more Ophanguilloid families needed?)

Order - Eudigitogradia
(wadjetsaurs, attercops etc.)
 * Family - Brachiophidae (“armed” wadjetsaurs inc. deflatersaur)
 * Family - Arachnochelidae (attercops)

Order - Sledobelonia
(sledos)

=Class - Saganisqualia=

Order - Dracosqualiformes
(scylarians)

Family - Dracosqualidae
(basal scylarians)

Family - Teratocetidae
(lyngbakrs)

Family - Hafagufidae
(thrasher scylarian and descendants)

Family - Infernocetidae
(rhodix scylarians)

Order - Snalinia
(snarks)

Family - Snalinidae
(luceremundare serpentes and basal snarks)

Family - Bhuyawmhidae
(gharks)

Family - Snallachiidae
(brute snarks)

Family - Branchiorhinidae
(comet snark and gillcrests)

Order - Rapacicetes
(snatches)

Family - Hydrocollidae
(crown-snatches)

Order - Carposerpentes
=Superclass Caudopodosauria=

Class Caudopodosauriformes
(basal caudopods)

Order Pentapodiformes
(Base group + Stem Dwellers; "5-foot form")

Order Tripodiformes
(Roamers + stem Capiris; "3-foot form")

Class Soricia
(shrews; "shrews")

Order Cynosauriformes
(Basal, reptile-like shrews only; includes basal blood shrews)

Order Bullapella
(Bubbleskins; "bubble-hide")

Order Chaetotheria
(Furred shrews; name taken from the genus of the Hairy Shrew)

Class Acaudopodia
(Azelaks; taken from their existing taxon name)

Order Chamaelifera
(Basal 4-legged azelaks, including azelemurs; name taken from azelak's genus)

Order Azeraptora
(Bipedal azelaks descended from Azelak Scavenger; named for Azeraptor)

Class Arcuvelia
(Capiris and bipedal capiri-like capoos; "rainbow sail")

Order Vexillacephalia
(non-capiri capoos descended from Roaming Capoo, including capeyes; "flag head")

Order Euarcuvelia
(true capiris)

Class Eucaudopodosauria
(modern dwellers starting at Denclaw; keeping the name because they include the last living tail-walkers)

Order Palapusia
(basal, mostly burrowing modern dwellers, including shoveltails; "shovel claw")

Order Lophoraptora
(Sawgnaws; "crest-theif")

Order Lophocula
(Descendants of Sawclaw, including crown-group dwellers; "crest-eye")