Spondylozoa

Spondylozoa includes the vertebrate fauna on Sagan 4.

Domain: Eukaryota
 * Kingdom: Carpozoa
 * Phylum: Spondylozoa
 * Class: Caudopodosauria
 * Class: Caudopodosauriformes
 * Class: Soricia
 * Class: Saganichthyes
 * Class: Saganisuchia

=Class - Saganisauria=

Clade - Podometasauria
(snappers)

Order - Dakopteriformes
(skysnappers)

Family - Passerisauridae
(later skysnappers)

Order - Dorsaurosauria
(earbacks)

Family - Anoptidae
(crown earbacks)

Family - Actinosauridae
(stem-earbacks)

Order - Eusaganichelonii
(basal turtsnappers)

Order - Fluniformes
(flunes)

Family - Eufluninae
(basal flunes)

Family - Theroflunidae
(flunejaws; defining traits - powerful jaw muscles, semi-erect or erect posture)

Family - Bufoflunidae
(toadtugas)

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

Order - Refulgisauria
(glowsnappers+yellowfeens)

Family - Neoluceremundaridae
(yellowfeens, chromocanths - including the cave volox would make this taxon polyphyletic)

Family - Pharocaudidae
(signaltails, literally “lighthouse-tails”)

Family - Nautichelonidae
(hullbacks)

Family - Pseudosauropodidae
(sailshells, sailmails)

Family - Tronasauridae
(Glowoggs)

Family - Nitercanthidae
(Glowspikes) (several more families and possibly subfamilies) Clade - Sublabromotus

Order - Saganophidia
(limblesses+seaswimmers) Superfamily - Teratophoidea (stem-limblesses, i.e. everything not descended from the rainforest limbless) Superfamily - Eusaganophidioidea (True limblesses) * Family - Paratedjavidae (descendants of the Squat Limbless other than the Wadjet and descendants) *Family - Tedjavidae (Wadjet and (at the moment presumed) descendants) *Family - Gyrinophidae (Serpmanders and allies) Superfamily - Ophanguilloidea (seaswimmers)
 * Family - Loricacollidae
 * Family - Ouranomatidae (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")