ADMorph dataset, a large-scale 3D microfossil model dataset, contains over ten thousand 3D virtual models of early fish bones, teeth and scales from 5 main classes of early fishes (agnathans, placoderms, osteichthyans, chondrichthyans, and acanthodians). So far, we selected 2,010 labeled scale virtual models among the dataset to open. We labeled the early fish scales into different categories according to their morphology and histology.