Cadotte, M. W., Carscadden, K. & Mirotchnick, N. Beyond species: functional diversity and the maintenance of ecological processes and services. J. Appl. Ecol. 48, 1079–1087, https://doi.org/10.1111/j.1365-2664.2011.02048.x (2011).
Chao, A. & Colwell, R. K. Biodiversity: concepts, dimensions, and measures. In M. Loreau, A. Hector, & F. Isbell (Eds.), The Ecological and Societal Consequences of Biodiversity Loss 25–46 (2022). John Wiley.
McGill, B. J., Enquist, B. J., Weiher, E. & Westoby, M. Rebuilding community ecology from functional traits. Trends Ecol. Evol. 21, 178–185, https://doi.org/10.1016/j.tree.2006.02.002 (2006).
FitzJohn, R. G. Quantitative traits and diversification. Syst. Biol. 59, 619–633, https://doi.org/10.1093/sysbio/syq053 (2010).
Pollock, L. J., Thuiller, W. & Jetz, W. Large conservation gains possible for global biodiversity facets. Nature 546, 141–144, https://doi.org/10.1038/nature22368 (2017).
Mazel, F. et al. Prioritizing phylogenetic diversity captures functional diversity unreliably. Nat. Commun. 9, 2888, https://doi.org/10.1038/s41467-018-05126-3 (2018).
Petchey, O. L. & Gaston, K. J. Functional diversity (FD), species richness and community composition. Ecol. Lett. 5, 402–411, https://doi.org/10.1046/j.1461-0248.2002.00339.x (2002).
Dı́az, S. & Cabido, M. Vive la différence: plant functional diversity matters to ecosystem processes. Trends Ecol. Evol. 16, 646–655, https://doi.org/10.1016/s0169-5347(01)02283-2 (2001).
Mouillot, D., Graham, N. A., Villeger, S., Mason, N. W. & Bellwood, D. R. A functional approach reveals community responses to disturbances. Trends Ecol. Evol. 28, 167–177, https://doi.org/10.1016/j.tree.2012.10.004 (2013).
Siefert, A. et al. A global meta-analysis of the relative extent of intraspecific trait variation in plant communities. Ecol. Lett. 18, 1406–1419, https://doi.org/10.1111/ele.12508 (2015).
Ducatez, S., Sol, D., Sayol, F. & Lefebvre, L. Behavioural plasticity is associated with reduced extinction risk in birds. Nat. Ecol. Evol. 4, 788–793, https://doi.org/10.1038/s41559-020-1168-8 (2020).
Kattge, J. et al. TRY plant trait database – enhanced coverage and open access. Glob. Chang. Biol. 26, 119–188, https://doi.org/10.1111/gcb.14904 (2020).
Etard, A., Morrill, S., Newbold, T. & Sheard, C. Global gaps in trait data for terrestrial vertebrates. Global Ecol. Biogeogr. 29, 2143–2158, https://doi.org/10.1111/geb.13184 (2020).
Wooster, E. I. F. & Nimmo, D. G. Functional trait databases for macrobehaviour. Trends Ecol. Evol., https://doi.org/10.1016/j.tree.2024.04.008 (2024).
Tobias, J. A. et al. AVONET: morphological, ecological and geographical data for all birds. Ecol. Lett. 25, 581–597, https://doi.org/10.1111/ele.13898 (2022).
Huang, N., Sun, X., Song, Y., Yuan, Z. & Zhou, W. Amphibian traits database: A global database on morphological traits of amphibians. Global Ecol. Biogeogr. 32, 633–641, https://doi.org/10.1111/geb.13656 (2023).
Kohli, B. A., Jarzyna, M. A. & Peres‐Neto, P. Pitfalls of ignoring trait resolution when drawing conclusions about ecological processes. Global Ecol. Biogeogr. 30, 1139–1152, https://doi.org/10.1111/geb.13275 (2021).
Hughes, E. C. et al. Global biogeographic patterns of avian morphological diversity. Ecol. Lett. 25, 598–610, https://doi.org/10.1111/ele.13905 (2022).
Jetz, W. & Pyron, R. A. The interplay of past diversification and evolutionary isolation with present imperilment across the amphibian tree of life. Nat. Ecol. Evol. 2, 850–858, https://doi.org/10.1038/s41559-018-0515-5 (2018).
Vitt, L. J. & Caldwell, J. P. Herpetology: An Introductory Biology of Amphibians and Reptiles (Fourth Edition). (Academic Press, 2013).
San Mauro, D. et al. Life-history evolution and mitogenomic phylogeny of caecilian amphibians. Mol. Phylogenet. Evol. 73, 177–189, https://doi.org/10.1016/j.ympev.2014.01.009 (2014).
Gower, D. J., Giri, V., Dharne, M. S. & Shouche, Y. S. Frequency of independent origins of viviparity among caecilians (Gymnophiona): evidence from the first ‘live-bearing’ Asian amphibian. J. Evol. Biol. 21, 1220–1226, https://doi.org/10.1111/j.1420-9101.2008.01577.x (2008).
Kupfer, A., Nabhitabhata, J. & Himstedt, W. From water into soil: trophic ecology of a caecilian amphibian (Genus Ichthyophis). Acta Oecol. 28, 95–105, https://doi.org/10.1016/j.actao.2005.03.002 (2005).
Gower, D. J. & Wilkinson, M. Conservation Biology of Caecilian Amphibians. Conserv. Biol. 19, 45–55, https://doi.org/10.1111/j.1523-1739.2005.00589.x (2005).
Frost, D. R. Amphibian Species of the World: an Online Reference. Version 5.5. American Museum of Natural History, New York, USA. Available at http://research.amnh.org/vz/herpetology/amphibia/ (2024).
AmphibiaWeb. 2024. <https://amphibiaweb.org> University of California, Berkeley, CA, USA.
IUCN. The IUCN Red List of Threatened Species. Version 2023-1, <https://www.iucnredlist.org> (2023).
Ripple, W. J. et al. Extinction risk is most acute for the world’s largest and smallest vertebrates. Proc. Natl. Acad. Sci. USA 114, 10678–10683, https://doi.org/10.1073/pnas.1702078114 (2017).
Gonzalez-Del-Pliego, P. et al. Phylogenetic and trait-based prediction of extinction risk for data-deficient amphibians. Curr. Biol. 29, 1557–1563 e1553, https://doi.org/10.1016/j.cub.2019.04.005 (2019).
Köhler, J. et al. New amphibians and global conservation: a Boost in species discoveries in a highly endangered vertebrate group. BioScience 55, 693–696, https://doi.org/10.1641/0006-3568(2005)055[0693:NAAGCA]2.0.CO;2 (2005).
Womack, M. C. et al. State of the amphibia 2020: a review of five years of amphibian research and existing resources. Ichthyol. Herpetol. 110, 638–661, https://doi.org/10.1643/h2022005 (2022).
Taylor, E. H. The Caecilians of the World: A Taxonomic Review. (University of Kansas Press, 1968).
Nascimento, F., Maciel, A., Vilela, B., Borges-Nojosa, D. & Lima, D. First records of Chthonerpeton arii Cascon and Lima-Verde, 1994 (Amphibia: Gymnophiona: Typhlonectidae) out of the type locality. Check List 9, 818–819 (2013).
Nussbaum, R. & Wilkinson, M. Two new species of Chthonerpeton (Amphibia: Gymnophiona: Typhlonectidae) from Brazil. Occas. Pap. Mus. Zool. Univ. Mich. 716, 1–15 (1987).
Nussbaum, R. A. Chthonerpeton onorei, a new caecilian (Ampibia: Gymnophiona: Typhlonectidae) from Ecuador. Rev. Suisse Zool. 93, 911–918 (1986).
Taylor, E. H. A caecilian miscellany. Univ. Kans. Sci. Bull. 50, 187–231 (1973).
da Silva, H., Britto-Pereira, M. & Caramaschi, U. A new species of Chthonerpeton (Amphibia: Gymnophiona: Typhlonectidae) from Bahia, Brazil. Zootaxa 381, 1–11 (2003).
Maciel, A. O., Leite, J. M., Leite, R. R. S., Leite, J. R. S. A. & Cascon, P. A new species of Chthonerpeton Peters 1880 (Amphibia: Gymnophiona: Typhlonectidae) from the state of Piauí, Northeastern Brazil. J. Herpetol. 49, 308–313 (2015).
Maciel, A. & Hoogmoed, M. Taxonomy and distribution of caecilian amphibians (Gymnophiona) of Brazilian Amazonia, with a key to their identification. Zootaxa 2984, 1–53 (2011).
Correia, L. et al. A new species of Brasilotyphlus (Gymnophiona: Siphonopidae) and a contribution to the knowledge of the relationship between Microcaecilia and Brasilotyphlus. Zootaxa 4527, 186 (2018).
Maciel, A. et al. Phylogenetic systematics of the Neotropical caecilian amphibian Luetkenotyphlus (Gymnophiona: Siphonopidae) including the description of a new species from the vulnerable Brazilian Atlantic Forest. Zool. Anz. 281, (2019).
Wilkinson, M., Antoniazzi, M. & Jared, C. A new species of Microcaecilia Taylor, 1968 (Amphibia: Gymnophiona: Siphonopidae) from Amazonian Brazil. Zootaxa 3905, 425–431 (2015).
Wilkinson, M., Sherratt, E., Starace, F. & Gower, D. J. A new species of skin-feeding caecilian and the first report of reproductive mode in Microcaecilia (Amphibia: Gymnophiona: Siphonopidae). PLoS One 8, e57756 (2013).
Wilkinson, M., Nussbaum, R. & Hoogmoed, M. A new species of Microcaecilia (Amphibia: Gymnophona: Caeciliidae) from Suriname. Herpetologica 65, 413–418 (2009).
Wake, M. H. & Donnelly, M. A. A new lungless caecilian (Amphibia: Gymnophiona) from Guyana. Proc. R. Soc. B 277, 915–922 (2009).
Wilkinson, M. & Kok, P. A new species of Microcaecilia (Amphibia: Gymnophiona: Caeciliidae) from Guyana. Zootaxa 2719, 35–40 (2010).
Maciel, A. & Hoogmoed, M. A new species of Microcaecilia (Amphibia: Gymnophiona: Siphonopidae) from the Guianan region of Brazil. Zootaxa 3693, 387–94 (2013).
Donnelly, M. & Wake, M. A new Microcaecilia (Amphibia: Gymnophiona) from Guyana with comments on Epicrionops niger. Copeia 2013, 223–231 (2013).
Taylor, E. H. A new caecilian from Brazil. The Univ. Kans. Sci. Bull. 48, 307–313 (1969).
Maciel, A. & Hoogmoed, M. Notes on the Vertebrates of northern Pará, Brazil: a forgotten part of the Guianan Region, III. A new species of Microcaecilia (Amphibia: Gymnophiona: Caeciliidae). Boletim do Museu Paraense Emílio Goeldi Naturais Ciências 6, (2011).
Wilkinson, M. & Nussbaum, R. Taxonomic status of Pseudosiphonops ptychodermis Taylor and Mimosiphonops vermiculatus Taylor (Amphibia: Gymnophiona: Caeciliaidae) with description of a new species. J Natur. Hist. 26, 675–688 (1992).
Taylor, E. H. The caecilians of Ecuador. Univ. Kans. Sci. Bull. 50, 333–346 (1974).
Lawson, D. P. A new caecilian from Cameroon, Africa (Amphibia: Gymnophiona: Scolecomorphidae). Herpetologica 56, 77–80 (2000).
Jacobs, J., Reynolds, R. & Wilkinson, M. A new genus and species of rhinatrematid caecilian (Amphibia: Gymnophiona: Rhinatrematidae) from Ecuador. Herpetol. J 27–34 https://doi.org/10.33256/31.1.2734 (2021) .
Maciel, A. O., Sampaio, M. I. C., Hoogmoed, M. S. & Schneider, H. Description of two new species of Rhinatrema (Amphibia: Gymnophiona) from Brazil and the return of Epicrionops niger to Rhinatrema. J. Herpetol. 13, 287–299 (2018).
Gower, D., Wilkinson, M., Sherratt, E. & Kok, P. A new species of Rhinatrema Duméril & Bibron (Amphibia: Gymnophiona: Rhinatrematidae) From Guyana. Zootaxa 47–60 https://doi.org/10.5281/zenodo.193887 (2010) .
Geissler, P. et al. New Ichthyophis species from Indochina (Gymnophiona, Ichthyophiidae): 1. The unstriped forms with descriptions of three new species and the redescriptions of I. acuminatus Taylor, 1960, I. youngorum Taylor, 1960 and I. laosensis Taylor, 1969. Org. Divers. & Evol. 15 (2014).
Pillai, R. S. & Ravichandran, M. S. Gymnophiona (Amphibia) of India: A Taxonomic Study. (Zoological Survey of India, 1999).
Lalremsanga, H. T. et al. A new striped species of Ichthyophis Fitzinger, 1826 (Amphibia: Gymnophiona: Ichthyophiidae) from Mizoram, Northeast India. Amphib. and Reptile Conserv. 15, 198–209 (2021).
Salvador, A. Un nuevo cecílido procedente de Java (Amphibia: Gymnophiona). Bonner zoologische Beiträge: Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn 26, 366–369 (1975).
Nishikawa, K., Matsui, M., Sudin, A. & Wong, A. A new striped Ichthyophis (Amphibia: Gymnophiona) from Mt. Kinabalu, Sabah, Malaysia. Curr. Herpetol. 32, 159–169 (2013).
Bhatta, G., Dinesh, K. P., Prashanth, P., Kulkarni, N. & Radhakrishnan, C. A new caecilian Ichthyophis davidi sp. nov. (Gymnophiona: Ichthyophiidae): The largest striped caecilian from Western Ghats. Curr. Sci. 101, 1015–1019 (2011).
Nishikawa, K., Matsui, M. & Yambun, P. A new unstriped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from Mt. Kinabalu, Sabah, Malaysia. Curr. Herpetol. 31, 67–77 (2012).
Kamei, G., Wilkinson, R. & Gower, M. D. & Biju, S. D. Three new species of striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from the northeast Indian states of Manipur and Nagaland. Zootaxa 2267, 26–42 (2009).
Wilkinson, M., Gower, D., Venu, G. & Venkatachalaiah, G. A new species of Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from Karnataka, India. Herpetologica 63, 511–518 (2007).
Gower, D. & Wilkinson, M. Species groups in the Indian caecilian genus Uraeotyphlus Peters (Amphibia: Gymnophiona: Uraeotyphlidae), with the description of a new species. Herpetologica 63, 401–410 (2007).
Gower, D., Rajendran, A., Nussbaum, R. & Wilkinson, M. A New Species of Uraeotyphlus (Amphibia: Gymnophiona: Uraeotyphlidae) of the Malabaricus Group. Herpetologica 64, 235–245 (2008).
Wilkinson, M., Presswell, B., Sherratt, E., Papadopoulou, A. & Gower, D. A new species of striped Ichthyophis Fitzinger, 1826 (Amphibia: Gymnophiona: Ichthyophiidae) from Myanmar. Zootaxa 3785, 45–58 (2014).
Nishikawa, K., Matsui, M. & Orlov, N. A new striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from Kon Tum Plateau, Vietnam. Curr. Herpetol. 31, 28–37 (2012).
Nussbaum, R. & Hinkel, H. Revision of East African caecilians of the Genera Afrocaecilia Taylor and Boulengerula Tornier (Amphibia: Gymnophiona: Caeciliaidae). Copeia 1994, 750 (1994).
Wilkinson, M., Loader, S., Müller, H. & Gower, D. Taxonomic status and phylogenetic relationships of Boulengerula denhardti Nieden, 1912 (Amphibia, Gymnophiona, Caeciliidae). Zoosyst. Evol. 80, 41–51 (2008).
Malonza, P. & Wasonga, V. A new species of Caecilian in the Genus Boulengerula from Endau Hill in South-Eastern Kenya. J East Afri. Natur. Hist. 112, (2023).
Müller, H., Measey, J., Loader, S. & Malonza, P. A new species of Boulengerula Tornier (Amphibia: Gymnophiona: Caeciliidae) from an isolated mountain block of the Taita Hills, Kenya. Zootaxa 1004, 37–50 (2005).
Wilkinson, M., Malonza, P. & Campbell, P. & Loader, S. A new species of Boulengerula Tornier, 1896 (Amphibia: Gymnophiona: Herpelidae) from Kenya and the “rediscovery” of Boulengerula denhardti. Zootaxa 4286, 525–534 (2017).
Bhatta, G. A new species of Gegeneophis Peters (Amphibia: Gymnophiona: Caeciliidae) From Goa, India. Zootaxa 1409, 51–59, https://doi.org/10.11646/zootaxa.1409.1.3 (2007).
Giri, V., Wilkinson, M. & Gower, D. A new species of Gegeneophis Peters (Amphibia: Gymnophiona: Caeciliidae) from southern Maharashtra, India, with a key to the species of the genus. Zootaxa 351, 1–10 (2003).
Bhatta, G. & Srinivasa, R. A new species of Gegeneophis Peters (Amphibia: Gymnophiona: Caeciliidae) from the surroundings of Mookambika Wildlife Sanctuary, Karnataka, India. Zootaxa 644, 1–8 (2004).
Bhatta, G., Dinesh, K. P., Prashanth, P. & Kulkarni, N. U. A new species of the Indian caecilian genus Gegeneophis Peters (Amphibia: Gymnophiona: Caeciliidae) from the surroundings of Mahadayi Wildlife Sanctuary, Western Ghats. Curr. Sci. 93, 1442–1445 (2007).
Agarwal, I. et al. The first teresomatan caecilian (Amphibia: Gymnophiona) from the Eastern Ghats of India-a new species of Gegeneophis Peters, 1880. Zootaxa 3693, 534–546 (2013).
Kotharambath, R., Gower, D., Oommen, O. & Wilkinson, M. A third species of Gegeneophis Peters (Amphibia: Gymnophiona: Indotyphlidae) lacking secondary annular grooves. Zootaxa 3272, 26 (2012).
Gower, D. J., Giri, V. B. & Wilkinson, M. Rediscovery of Gegeneophis seshachari Ravichandran, Gower & Wilkinson, 2003 at the type locality. Herpetozoa. Wien 19, 121–127 (2008).
Kotharambath, R., Wilkinson, M., Oommen, O. & Gower, D. A new species of Indian caecilian highlights challenges for species delimitation within Gegeneophis Peters, 1879 (Amphibia: Gymnophiona: Indotyphlidae). Zootaxa 3948, 60–70 (2015).
Maddock, S., Wilkinson, M., Nussbaum, R. & Gower, D. A new species of small and highly abbreviated caecilian (Gymnophiona: Indotyphlidae) from the Seychelles island of Praslin, and a recharacterization of Hypogeophis brevis Boulenger, 1911. Zootaxa 4329, 301–326 (2017).
Maddock, S., Wilkinson, M. & Gower, D. A new species of small, long-snouted Hypogeophis Peters, 1880 (Amphibia: Gymnophiona: Indotyphlidae) from the highest elevations of the Seychelles island of Mahé. Zootaxa 4450, 359 (2018).
Giri, V., Gower, D. & Wilkinson, M. A new species of Indotyphlus Taylor (Amphibia: Gymnophiona: Caeciliidae) from the Western Ghats, India. Zootaxa 739, (2004).
Taylor, E. H. A new caecilian from Ethiopia. The Univ. Kans. Sci. Bull 48, 849–854 (1970).
Kamei, R. G., Gower, D. J., Wilkinson, M. & Biju, S. D. Systematics of the caecilian family Chikilidae (Amphibia: Gymnophiona) with the description of three new species of Chikila from northeast India. Zootaxa 3666, 401–435 (2013).
Fernández-Roldán, J. & Rueda-Almonacid, J. A new species of the genus Caecilia Linnaeus, 1758 (Amphibia: Gymnophiona: Caeciliidae) from Caquetá, Colombia. Revista Latinoamericana de Herpetología 5, 51–57 (2022).
Fernández-Roldán, J., Lynch, J. & Medina Rangel, G. On the identities of Caecilia degenerata Dunn, 1942 and of C. corpulenta Taylor, 1968 (Amphibia: Gymnophiona: Caeciliidae) with descriptions of three new species of Caecilia Linnaeus, 1758 from the Cordillera Oriental of Colombia. Zootaxa 5227, 205–228 (2023).
Fernández-Roldán, J. & Lynch, J. A new species previously confused with Caecilia pachynema (Günther, 1859) (Amphibia: Gymnophiona: Caeciliidae) from the Cordillera Central of Colombia. Revista Latinoamericana de Herpetología 4, 53–64 (2021).
Cope, E. D. Tenth contribution to the herpetology of tropical America. Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge 17, 85–98 (1877).
Wake, M. H. A new species of Caecilia (Amphibia: Gymnophiona) from Bolivia. Amphibia-reptilia 5, 215–220 (1984).
Maciel, A. & Hoogmoed, M. A new species of Caecilia Linnaeus, 1758 (Amphibia: Gymnophiona: Caeciliidae) from French Guiana. Boletim do Museu Paraense Emílio Goeldi – Ciências Naturais 13 (2018).
Acosta-Galvis, A., Torres, M. & Pulido-Santacruz, P. A new species of Caecilia (Gymnophiona, Caeciliidae) from the Magdalena valley region of Colombia. ZooKeys 884, 135–157 (2019).
Taylor, E. H. A new Panamanian caecilian. The Univ. Kans. Sci. Bull. 48, 315–323 (1969).
Fernández-Roldán, J. & Lynch, J. A new species of Caecilia Linnaeus, 1758 (Amphibia: Gymnophiona: Caeciliidae) from the Pacific lowlands of Colombia, with comments on the status of C. tenuissima Taylor, 1973. Zootaxa 5270, 194–206 (2023).
Fernández-Roldán, J., Medina Rangel, G. & Lynch, J. A new Caecilia (Amphibia: Gymnophiona: Caeciliidae) from the Colombian Amazon. Ichthyology & Herpetology 111, 241–247 (2023).
Lahanas, P. & Savage, J. A new species of Caecilian from the Península de Osa of Costa Rica. Copeia 1992, 703 (1992).
Wake, M. H. A new caecilian from Peru (Amphibia: Gymnophiona). Bonner zoologische Beiträge: Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn 35, 213–219 (1984).
Wei, P. et al. CaecilianTraits. https://doi.org/10.6084/m9.figshare.26075686.v4 (2024).
Dinerstein, E. et al. An ecoregion-based approach to protecting half the terrestrial realm. BioScience 67, 534–545 (2017).
Oliveira, B. F., São-Pedro, V. A., Santos-Barrera, G., Penone, C. & Costa, G. C. AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4, 170123 (2017).
Moura, M. R. et al. A phylogeny-informed characterisation of global tetrapod traits addresses data gaps and biases. PLoS Biol. 22, e3002658 (2024).
Moen, D. S. & Wiens, J. J. Microhabitat and climatic niche change explain patterns of diversification among frog families. Am Nat. 190, 29–44 (2017).
Moen, D. S. & Wiens, J. J. Phylogenetic evidence for competitively driven divergence: body-size evolution in Caribbean treefrogs (Hylidae: Osteopilus). Evolution 63, 195–214 (2009).
