A NEW SPECIES OF DICYNODON FROM UPPER PERMIAN OF SUNAN, GANSU, WITH REMARKS ON RELATED STRATA
A NEW SPECIES OF DICYNODON FROM UPPER PERMIAN OF SUNAN, GANSU, WITH REMARKS ON RELATED STRATA
甘肃晚二叠世二齿兽化石的发现及相关地层研究
A NEW SPECIES OF DICYNODON FROM UPPER PERMIAN OF SUNAN, GANSU, WITH REMARKS ON RELATED STRATA
甘肃晚二叠世二齿兽化石的发现及相关地层研究