Báez, Ana M.; Muzzopappa, Paula; Moura, Geraldo J. Barbosa de (May 2021). "The earliest records of pipimorph frogs from South America (Aptian, Crato Formaton, Brazil): A critical evaluation". Cretaceous Research. 121: 104728. doi:10.1016/j.cretres.2020.104728. S2CID230581615.
Wuttke, Michael; Přikryl, Tomáš; Ratnikov, Viacheslav Yu.; Dvořák, Zdeněk; Roček, Zbyněk (2012-02-14). "Generic diversity and distributional dynamics of the Palaeobatrachidae (Amphibia: Anura)". Palaeobiodiversity and Palaeoenvironments. 92 (3): 367–395. doi:10.1007/s12549-012-0071-y. ISSN1867-1594. S2CID130080167.
Wuttke, M; Přikryl, T; Ratnikov, VY; Dvořák, Z; Roček, Z (September 2012). "Generic diversity and distributional dynamics of the Palaeobatrachidae (Amphibia: Anura)". Palaeobiodiversity and Palaeoenvironments. 92 (3): 367–395. doi:10.1007/s12549-012-0071-y. ISSN1867-1594. S2CID130080167.
Venczel, M; Codrea, V; Fărcaş, C (2013). "A new palaeobatrachid frog from the early Oligocene of Suceag, Romania". Journal of Systematic Palaeontology. 11 (2): 179–189. doi:10.1080/14772019.2012.671790. S2CID129158241.
Roček, Z., Boistel, R., Lenoir, N., Mazurier, A., Pierce, S.E., Rage, J.-C., Smirnov, S.V., Schwermann, A.H., Valentin, X., Venczel, M., Wuttke, M., and Zikmund, T. 2015. Frontoparietal bone in extinct Palaeobatrachidae (Anura): its variation and taxonomic value. The Anatomical Record, 298:1848-1863. https://doi.org/10.1002/ar.23203
Báez, Ana M.; Muzzopappa, Paula; Moura, Geraldo J. Barbosa de (May 2021). "The earliest records of pipimorph frogs from South America (Aptian, Crato Formaton, Brazil): A critical evaluation". Cretaceous Research. 121: 104728. doi:10.1016/j.cretres.2020.104728. S2CID230581615.
Wuttke, Michael; Přikryl, Tomáš; Ratnikov, Viacheslav Yu.; Dvořák, Zdeněk; Roček, Zbyněk (2012-02-14). "Generic diversity and distributional dynamics of the Palaeobatrachidae (Amphibia: Anura)". Palaeobiodiversity and Palaeoenvironments. 92 (3): 367–395. doi:10.1007/s12549-012-0071-y. ISSN1867-1594. S2CID130080167.
Wuttke, M; Přikryl, T; Ratnikov, VY; Dvořák, Z; Roček, Z (September 2012). "Generic diversity and distributional dynamics of the Palaeobatrachidae (Amphibia: Anura)". Palaeobiodiversity and Palaeoenvironments. 92 (3): 367–395. doi:10.1007/s12549-012-0071-y. ISSN1867-1594. S2CID130080167.
Venczel, M; Codrea, V; Fărcaş, C (2013). "A new palaeobatrachid frog from the early Oligocene of Suceag, Romania". Journal of Systematic Palaeontology. 11 (2): 179–189. doi:10.1080/14772019.2012.671790. S2CID129158241.