Spondylozoa

Spondylozoa includes the vertebrate fauna on Sagan 4.

=Class - Saganisuchia (ancestral snappers and earbacks)=

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 - Sledobelonia
(sledos)

=Class - Dakoptera (skysnappers)=

Order - Dakopteriformes
(skysnappers)
 * Family - Tectopteridae (basal skysnappers)
 * Family - Tromerocaelidae (Vultsnapper and skyreapers)
 * Family - Insulasauridae (islesnappers)
 * Family - Gulodrakonidae (skimsnappers)
 * Family - Laridrakonidae (gull-like skysnappers)
 * Family - Mainedrakonidae (tipsnappers and corvisnappers)
 * Family - Passerisauridae (Weavesnapper and descendants)

=Class - Saurochelones (turtsnappers)=

Order - Dakochelones
(basal turtsnappers)
 * Family - Saurochelonidae (basal turtsnappers)
 * Family - Deinokoopasiidae (boxingtoes)
 * Family - Pistaredentidae (armorsaws)
 * Family - Petromolisauridae (coastsnappers)

Order - Fluniformes
(flunes)
 * Family - Spherosauridae(basal flunes)
 * Family - Spinomaxillidae(flunejaws)
 * Family - Spinobatrachidae(toadtugas)

Order - Teguloterguformes
(tilebacks, lizatokages, and tilecorns)
 * Family - Shinglesauridae (tilebacks, lizalagartos, and pebblebacks)
 * Family - Tegulasauridae (lizatokages)
 * Family - Ungulasauridae (Guangu)
 * Family - Pyrosauridae (flamebacks)
 * Family - Cataphractovermidae (crallsnapers)
 * Family - Stegocornidae (tilecorns)
 * Family - Poseidonasauridae (rippletails)

Order - Acanthomoi
(Thornbacks)
 * Family - Parashinglesauridae (basal thornbacks)
 * Family - Remiscapulidae (articulate thornbacks)
 * Family - Pseudoaperidae (duramboars)
 * Family - Pseudodorcidae (curazzelles)
 * Family - Baculosauridae (pearbacks and striders)
 * Family - Vexillophoridae (flaggs)
 * Family - Vexillativestidae (blubber flaggs)
 * Family - Fortimaxillidae (snapjaws)
 * Family - Dillosauridae (Thorndillo)
 * Family - Canivibrissidae (giant thornbacks)
 * Family - Milnisauridae (hockels)
 * Family - Susochelonidae (cryorashers)
 * Family - Acunaribidae (probefaces)
 * Family - Xenocheiridae (thumbwalkers)
 * Family - Fossorirostridae (rootdiggers)

Order - Refulgisauria
(non-Yellowfeen glowsnappers)
 * Family - Refulgichelonidae (tablesnappers)
 * Family - Nothogyrinidae (voloxes)
 * Family - Pharocaudidae(signaltails)
 * Family - Nautichelonidae(hullbacks)
 * Family - Nitercanthidae(glowspikes)
 * Family - Circuitiochelonidae (Migrating Glowsnapper and Marine Glowsnapper)
 * Family - Sailsauridae(sailshells, sailmails)
 * Family - Tronasauridae(glowoggs)

Order - Gyriniformes
(Yellowfeen and descendants)
 * Family - Ichthyogyrinidae (Yellowfeen)
 * Family - Aletidae (wolleys)
 * Family - Batogyrinidae (floor onamors)
 * Family - Piratidae (landlubbers)
 * Family - Glossigyrinidae (feefs)
 * Family - Trisimidae (chromankes)

=Class - Saganophidia (limblesses)=

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)

=Class - Squalichthyes (snarks, scylarians, and snatches)=

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")