Tiers

Tiers are Groups that ( in this case ) Vivosaurs are classified  in to, in this case we have OU (Over used) UU (under used) and NU (Never used) and then you have you BL's (Border line) you have BLU (Border line Under) BLO (Border line over)
==Overused==
*T-Rex
*T-Rex Lord
*Compso
*Cryo
*Galgaron
*Nigo
*Zanth
*Z-Rex
*Salada
*B-Plesio
*Hibigon
*Giga Raja
*O-Raptor Fiend
*Shenliu
*Papygon
*Dimorph Ace
*Teffla
*Heracles
*Lugmos
*Guan
*Mapo
*Mapo King
*Allo
*Sopteryx
*Nodo
*Lambeo
*Proto
==Borderline Over==
*Lagia
*Tryma
*Plesio
*B-Tricera
*Momo
*Marple
*Giga Allo
*Giga Spinax
*Despino
*Kaishin
*Blitzigon
*Giganto
*Spinax
*Breme
*Spino
*Seismo
*Amargo
*Ankylo
*Igua
*Anato
*Jara
*Dimorph
*Nycto Ace
*B-jara 
==Underused==
*Dacerus
*Z-Tricera
*Z-Ptera
*Z-Elasmo
*B-Lambeo
*B-Rex
*B-Brachio
*Bulgon
*V-Ripper
*Ryden
*Equinas
*Barbaros
*Dydomio
*Tricera
*Nycto
*Tarbo
*Hypsi
*M-Raptor
*U-Raptor
*V-Raptor
*Dilopho
*O-Raptor
*Salto
*Perso
*Stego
*Yango
*Kentro
*Saichan
*Pelto
*Tricera
*Einio
*Pachrino
*Guera
*Seidon
==Borderline Under==
*Carno
*Omias
*Buldor
*Geneos
*Daspleto
*Shanshan
*Gorgo
*Siamo
*Metria
*Megalo
*Carchar
*Delta
*Angato
*Sucho
*Onyx
*Brachio
*Ourano
*Pachy
*Stygi
*Goyo
*Centro
*Mihu
*Ptera
*Krona
*Zongazonga
==Neverused==
*Centro
*Goyle
*Zino
*Squik
*Squirk
*Squirth
*Squilk
*Squiro
*Hopter
*Orno
*Aopteryx
*Apato
*Shuno
*Nasaur
*Alio
*Alectro
*Venator
*S-Raptor
*Acro
*F-Raptor
*Neo
*Tro
*Nychus
*Coelo
*Cheirus
*Jiango
*Lexo
*Maia
*Paraloph
*Stryaco
*Penta
*Coatlus 
*Chelon