Full reference: Y. H. Liu. 1965. New Devonian agnathans from Yunnan. Vertebrata PalAsiatica 9(2):125-134
Parent taxon: Vertebrata according to Y. H. Liu 1965
Sister taxa: Acrania, Agnatha, Ammopus, Anaspidomorphi, Apedolepis, Artenolepis, Cephalaspidomorpha, Craniota, Cyclostomata, Cyclostomi, Eosaurus, Eotetrapoda, Gnathostomata, Herpetichthyes, Hoplichnus, Hypichthyes, Lepidotosaurus, Mannodon, Myzichthyes, Ophis, Osteostracomorphi, Ostracophori, Pachycardia, Palaeoxyris, Petromyzontomorphi, Pituriaspida, Protetrapoda, Pteraspidomorphi, Saurornia, Thelodontomorphi, Thoracophis, Tidaeus, Toxichnus, Zamponiopteron, Coluber arcuatus, Conodontomorpha, Myxinomorphi, Myllokunmingiiformes
Subtaxa: Deanaspis Diploholcaspis Microphymaspis
Ecology:
Distribution: