User blog comment:WolfQueen/Discussion of the Week: Related Species/@comment-6050823-20150209035648

Here is a few more Close Relatives that I could think of:
 * Monoblos, White Monoblos, Diablos, Varusaburosu, Gravios, クラグモス(Gravios and Blos' ancestor)
 * Raths(Old World, New World, Val Harbor), Canopus, UNKNOWN(Black Flying Wyvern), Zerureusu
 * Gypceros, Bajirisu
 * Nargacuga, Barioth, Hyujikiki(?)
 * Runner Wyverns(Veloci, Gia, Gen, Io)
 * Dog Wyverns(Jaggi, Wroggi, Baggi)
 * Kushala Daora, Garuba Daora, (Kushala Daora has six other subspecies, which some maybe close relatives)
 * Gobul, Nibelsnarf
 * Hornetaur, Altaroth
 * Vespoid, Bnahabra