Vallin, G; Laurin, M (2004). «Cranial morphology and affinities of Microbrachis, and a reappraisal of the phylogeny and lifestyle of the first amphibians». Journal of Vertebrate Paleontology24: 56-72. S2CID26700362. doi:10.1671/5.1.
Vallin, G; Laurin, M (2004). «Cranial morphology and affinities of Microbrachis, and a reappraisal of the phylogeny and lifestyle of the first amphibians». Journal of Vertebrate Paleontology24: 56-72. S2CID26700362. doi:10.1671/5.1.