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Placosoma cordylinum TSCHUDI, 1847

IUCN Red List - Placosoma cordylinum - Least Concern, LC
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Higher TaxaGymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards)
SubspeciesPlacosoma cordylinum cordylinum FITZINGER in TSCHUDI 1847
Placosoma cordylinum champsonotus (WERNER 1910) 
Common Names 
SynonymPlacosoma cordylinum cordylinum TSCHUDI 1847
Placosoma cordylinum FITZINGER in TSCHUDI 1847: 51
Ecpleopus lutzae LOVERIDGE 1944: 97
Placosoma cordylinum cordylinum — UZZELL 1959
Placosoma cordylinum cordylinum — PETERS et al. 1970: 229
Placosoma cordylinum — CASTOE et al. 2004

Placosoma cordylinum champsonotus (WERNER 1910)
Prionodactylus champsonotus WERNER 1910: 31
Prionodactylus champsonotus — WERNER 1916: 307
Euspondylus cupreus ANDERSSON 1916
Elaphrosaura spitzi AMARAL 1933: 68 (fide UZZELL 1962)
Placosoma cordylinum champsonotus — UZZELL 1959: 9
Placosoma cordylinum champsonotus — PETERS et al. 1970: 229
Placosoma champsonotus — ZAHER et al. 2011 
DistributionBrazil (Rio de Janeiro, Sao Paulo, Minas Gerais, Mato Grosso, Santa Catarina).

cordylinum: Brazil (Rio de Janeiro); Type locality: Rio Beija-flor, Therezopolis, Rio de Janeiro, Brazil.

champsonotus: Brazil (Sao Paulo, Minas Gerais ?, Mato Grosso ?, Santa Catarina, Pernambuco); Type locality: Itapocú, Jaraguá, Santa Catharina, Brazil.  
Reproductionoviparous 
TypesType: lost (fide Peters 1862, Uzzell 1959, Sturaro 2016) 
DiagnosisAdditional details, e.g. a detailed description or comparisons (6680 characters), are available for collaborators and contributors. Please contact us for details. 
CommentSimilar species: Cercosaura ocellata Wagler, 1830 has been confused with Placosoma cordylinum (Sturaro 2016).

Type species: Placosoma cordylinum TSCHUDI 1847 is the type species of the genus Placosoma TSCHUDI 1847. Sometimes the authorship is cited as FITZINGER in TSCHUDI 1847 but Grillitsch, cited in Borges-Nojosa et al. 2016 argued that Tschudi should be the sole author.

Distribution: see map in Sturaro 2016: 88.

Subspecies: The subspecies of Placosoma cordylinum differed from one another in the number of dorsal scales at the level of shoulders (4–8 in P. c. cordylinum and 8 or 9 in P. c. champsonotus) and in the condition of the median dorsal scale (usually wider than long in P. c. cordylinum, and longer than wide in P. c. champsonotus) (Uzzell 1959). 
EtymologyNamed after Latin cordylus, lizard pecies due to Linnaeus, 1758 + Latin -inus, suffix indicating possession, belonging to, pertaining to, having the nature of, made of, quality of, state or condition of. (Esteban Lavilla, pers. comm., April 2024)

The genus was named after Greek placos (πλάκος, from πλάξ), anything flat and broad + Greek soma (σῶμα), body. 
References
  • Almeida-Gomes, Mauricio; DAVOR VRCIBRADIC, CARLA C. SIQUEIRA, MARA C. KIEFER, THAÍS KLAION, PATRÍCIA ALMEIDA-SANTOS, DENISE NASCIMENTO, CRISTINA V. ARIANI, VITOR N.T. BORGES-JUNIOR, RICARDO F. FREITAS-FILHO, MONIQUE VAN SLUYS and CARLOS F.D. ROCHA 2008. Herpetofauna of an Atlantic rainforest area (Morro São João) in Rio de Janeiro State, Brazil. Anais da Academia Brasileira de Ciências 80(2): 291-300 - get paper here
  • Amaral, A. do 1933. Estudos sobre Lacertilios neotropicos. I. novos generos e especies de largartos do Brasil. Mem. Inst. Butantan 7 [1932]: 51-75 - get paper here
  • Andersson, L.G. 1916. Notes on the reptiles and batrachians in the Zoological Museum at Gothenburg with an account of some new species. Göteborgs Kungliga Vetenskap och Vitter Hets-Samnalles Hndlingar Sjatte Foljden (Series B, 4) 17 (5) [ = Meddelanden fran Göteborgs Musei Zoologiska Afdelning, No. 9]: 1-41
  • ARAUJO, C.O., CONDEZ, T.H., BOVO, R.P., CENTENO, F.C. & LUIZ, A.M. 2010. Amphibians and reptiles of the Parque Estadual Turístico do Alto Ribeira (PETAR), SP: an Atlantic Forest remnant of Southeastern Brazil. Biota Neotrop. 10(4): 257- - get paper here
  • Bérnils, R.S.; Batista, M.A. & Bertelli, P.W. 2001. Cobras e lagartos do Vale: levantamento das espécies de Squamata (Reptilia, Lepidosauria) da Bacia do Rio Itajai, Santa Catarina, Brasil. Rev. Est. Ambientais (Blumenau) 3 (1): 69-79
  • BORGES-NOJOSA; DIVA MARIA, ULISSES CARAMASCHI, MIGUEL TREFAUT RODRIGUES 2016. A new species of lizard Placosoma Tschudi, 1847 (Squamata: Gymnophthalmidae) from the relictual forest mountains of the State of Ceará, Brazil. Zootaxa 4169 (1): 160–170 - get paper here
  • Bressan, Paulo Magalhães; Maria Cecília Martins Kierulff, Angélica Midori Sugieda (eds.) 2009. FAUNA AMEAÇADA DE EXTINÇÃO NO ESTADO DE SÃO PAULO: VERTEBRADOS. São Paulo: Fundação Parque Zoológico de São Paulo: Secretaria do Meio Ambiente, 2009. - get paper here
  • Castoe, T.A.; Doan, T.M. & Parkinson, C.L. 2004. Data partitions and complex models in Bayesian analysis: the phylogeny of Gymnophthalmid lizards. Systematic Biology 53 (3): 448-469 - get paper here
  • Cunha, O.R. da 1966. Sôbre uma nova expécie de lagarto do estado de Minas Gerais Placosoma cipoense sp. n. (Lacertilia, Teiidae). Bol. Mus. Paraense Emilio Goeldi, zool. 61: 1-9
  • Loveridge,A. 1944. A new teiid lizard of the genus Ecpleopus from Brazil. Proc. Biol. Soc. Washington 57: 97-98 - get paper here
  • MARQUES, O. A. V. et al. 2009. Repteis. In: Bressan et al., FAUNA AMEAÇADA DE EXTINÇÃO NO ESTADO DE SÃO PAULO: VERTEBRADOS. São Paulo: Fundação Parque Zoológico de São Paulo: Secretaria do Meio Ambiente, pp. 285-327 - get paper here
  • Oliveira, Jane C.F.; Rodrigo Castellari Gonzalez; Paulo Passos; Davor Vrcibradic & Carlos Frederico Duarte Rocha 2020. Non-Avian Reptiles of the state of Rio de Janeiro, Brazil: status of knowledge and commented list. Pap. Avulsos Zool. 60: e20206024 - get paper here
  • ROCHA, CARLOS FREDERICO D.; HELENA G.BERGALLO, JOSÉ P. POMBAL JR., LENA GEISE, MONIQUE VAN SLUYS, RONALDO FERNANDES, ULISSES CARAMASCHI 2004. FAUNA DE ANFÍBIOS, RÉPTEIS E MAMÍFEROS DO ESTADO DO RIO DE JANEIRO, SUDESTE DO BRASIL. Publ. Avul. Mus. Nac., Rio de Janeiro (104): 3-23 - get paper here
  • Sturaro, Marcelo José 2016. Taxonomic notes on the poorly known South American lizard Placosoma cordylinum (Squamata: Gymnophthalmidae). Phyllomedusa 15 (1): 85-89 - get paper here
  • Tschudi,J. J. von 1847. Die Familie der Ecpleopoda. Archiv für Naturgeschichte 13 (1): 41-60 - get paper here
  • Uzzell, T. M., Jr. 1959. Teiid lizards of the genus Placosoma. Occasional Papers of the Museum of Zoology, University of Michigan 606: 1-16 - get paper here
  • Uzzell, T.M. 1962. Additional Notes on Teiid Lizards of the Genus Placosoma. Copeia 1962 (4): 833-835 - get paper here
  • Werner,F. 1910. Über neue oder seltene Reptilien des Naturhistorischen Museums in Hamburg. ii. Eidechsen. Jahrb. Hamburg. Wiss. Anst., vol. 27 (1909), suppl. no. 2, 1910, pp. 1-46; reprinted: 1910, Mitteil. Naturhist. Mus. Hamburg, vol. 27: 205-) - get paper here
  • Werner,F. 1916. Bemerkungen über einige niedere Wirbeltiere der Anden von Kolumbien mit Beschreibungen neuer Arten. Zool. Anz. 47: 301-311 - get paper here
  • Zaher, Hussam; Fausto Erritto BarboI; Paola Sanchez Martínez; Cristiano Nogueira; Miguel Trefaut Rodrigues; Ricardo Jannini Sawaya 2011. Répteis do Estado de São Paulo: conhecimento atual e perspectivas. Biota Neotropica, 11 (1): 1–15. - get paper here
 
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