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Zhang, P.; Wake, M. H. (2009). „A mitogenomic perspective on the phylogeny and biogeography of living caecilians (Amphibia: Gymnophiona)”. Molecular Phylogenetics and Evolution53 (2): 479–491. DOI:10.1016/j.ympev.2009.06.018. PMID19577653.
San Mauro, D.; Gower, D. J.; Cotton, J. A.; Zardoya, R.; Wilkinson, M.; Massingham, T. (2012). „Experimental design in phylogenetics: testing predictions from expected information”. Systematic Biology61 (4): 661–674. DOI:10.1093/sysbio/sys028. PMID22328568.
Frost, Darrel R.; Grant, Taran; Faivovich, Julián; Bain, Raoul H.; Haas, Alexander; Haddad, Célio F.B.; De Sá, Rafael O.; Channing, Alan i dr.. (2006). „The Amphibian Tree of Life”. Bulletin of the American Museum of Natural History297: 1–370, appendices. DOI:10.1206/0003-0090(2006)297[0001:TATOL]2.0.CO;2. ISSN0003-0090.
San Mauro, D.; Gower, D. J.; Müller, H.; Loader, S. P.; Zardoya, R.; Nussbaum, R. A.; Wilkinson, M. (2014). „Life-history evolution and mitogenomic phylogeny of caecilian amphibians”. Molecular Phylogenetics and Evolution73: 177–189. DOI:10.1016/j.ympev.2014.01.009. PMID24480323.
San Mauro, D.; Gower, D. J.; Oommen, O. V.; Wilkinson, M.; Zardoya, R. (2004). „Phylogeny of caecilian amphibians (Gymnophiona) based on complete mitochondrial genomes and nuclear RAG1”. Molecular Phylogenetics and Evolution33 (2): 413–427. DOI:10.1016/j.ympev.2004.05.014. PMID15336675.
Zhang, P.; Wake, M. H. (2009). „A mitogenomic perspective on the phylogeny and biogeography of living caecilians (Amphibia: Gymnophiona)”. Molecular Phylogenetics and Evolution53 (2): 479–491. DOI:10.1016/j.ympev.2009.06.018. PMID19577653.
San Mauro, D.; Gower, D. J.; Cotton, J. A.; Zardoya, R.; Wilkinson, M.; Massingham, T. (2012). „Experimental design in phylogenetics: testing predictions from expected information”. Systematic Biology61 (4): 661–674. DOI:10.1093/sysbio/sys028. PMID22328568.
San Mauro, D.; Gower, D. J.; Müller, H.; Loader, S. P.; Zardoya, R.; Nussbaum, R. A.; Wilkinson, M. (2014). „Life-history evolution and mitogenomic phylogeny of caecilian amphibians”. Molecular Phylogenetics and Evolution73: 177–189. DOI:10.1016/j.ympev.2014.01.009. PMID24480323.
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Chisholm, Hugh, ur. (1911) „Caecilia” Encyclopædia Britannica Eleventh Edition (11th izd.) Cambridge University Press
worldcat.org
Frost, Darrel R.; Grant, Taran; Faivovich, Julián; Bain, Raoul H.; Haas, Alexander; Haddad, Célio F.B.; De Sá, Rafael O.; Channing, Alan i dr.. (2006). „The Amphibian Tree of Life”. Bulletin of the American Museum of Natural History297: 1–370, appendices. DOI:10.1206/0003-0090(2006)297[0001:TATOL]2.0.CO;2. ISSN0003-0090.