1. A new species of dragonet (Synchiropus: Callionymidae) from Indonesia. Aqua, Int.;Allen;J Ichthyol,2012
2. A method of counting caudal fin rays of actinopterygian fishes.;Fricke;Braunschw Naturkdl Schr,1983
3. Fricke R. 1983b. Revision of the Indo-Pacific genera and species of the dragonet family Callionymidae (Teleostei). [Theses Zoologicae 3]. J. Cramer, Braunschweig, 774 pp.
4. Protogrammus, a new genus of callionymid fishes, with a redescription ofP. sousai from the eastern Atlantic
5. Callionymidae.;Fricke,1986