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Indochinese box turtle

From Wikipedia, the free encyclopedia
Species of turtle

Indochinese box turtle
Northern Vietnamese box turtle
Cuora galbinifrons galbinifrons
CITES Appendix I[2]
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Testudines
Suborder:Cryptodira
Family:Geoemydidae
Genus:Cuora
Species:
C. galbinifrons
Binomial name
Cuora galbinifrons
Bourret, 1939
Synonyms[3]
  • Cuora galbinifrons galbinifrons
  • Cuora galbinifronsBourret, 1939
  • Cyclemus flavomarginata hainanensisLi, 1958
  • Cuora hainanensisZhao, 1975
  • Cyclemys flavomarginata hainanensisWermuth & Mertens, 1977
  • Cistoclemmys galbinifronsBour, 1980
  • Cistoclemmys hainanensisIverson, 1985
  • Cuora flavomarginata hainanensisObst, 1985
  • Cistoclemmys flavomarginata hainanensisGroombridge, 1988
  • Cuora galbinifrons galbinifronsIverson & McCord, 1992
  • Cuora galbinifrons hainanensisIverson & McCord, 1992
  • Cistoclemmys galbinifrons galbinifronsBour, 2002
  • Cistoclemmys galbinifrons hainanensisBour, 2002
Cuora galbinifrons bourreti
  • Cuora galbinifrons bourretiObst & Reimann, 1994
  • Cistoclemmys galbinifrons bourretiBour, 2002
  • Cuora bourretiStuart & Parham, 2004
  • Cistoclemmys bourretiVetter, 2006
Cuora galbinifrons picturata
  • Cuora galbinifrons picturataLehr, Fritz & Obst, 1998
  • Cistoclemmys galbinifrons picturataBour, 2002
  • Cuora picturataStuart & Parham, 2004
  • Cistoclemmys picturataVetter, 2006

TheIndochinese box turtle,Vietnamese box turtle, orflowerback box turtle (Cuora galbinifrons) is aspecies ofAsian box turtles fromChina (Hainan and Guangxi), northern and centralVietnam,Laos, and possibly northeasternCambodia. It is found in high altitude woodland where it tends to hide in the undergrowth. There is considerable confusion as to the taxonomy of this species with several subspecies being recognised by some authorities. and not by others. TheInternational Union for Conservation of Nature has rated its conservation status as "critically endangered".

Taxonomy

[edit]

The northern Vietnamese box turtleC. g. galbinifrons was described by Bourret in 1939, but it took nearly 40 years until the first specimens were imported to Europe and the United States. This subspecies occurs in extreme southernGuangxi Province, China, northern Vietnam, and probably northern Laos and onHainan Island (China). The population from Hainan was once considered to represent a distinct species[4] or at least subspecies,[5]C. (galbinifrons) hainanensis.[6] Li, 1958, was not aware of the description from Bourret (1939) ofC. galbinifrons and thus believed to have a new subspecies ofCuora flavomarginata the onlyCuora species known at this time with at least some similarities. According to some, specimens from Hainan do not always have fully black plastrons (always the case in mainlandC. g. galbinifrons), but sometimes lighter parts. Furthermore, their carapaces show more red pigmentation and brown spots. Genetic and morphologic studies believe it to be a synonym ofC.g. galbinifrons, however.

The central Vietnamese flowerback box turtle (Cuora (galbinifrons) bourreti) occurs in central Vietnam and adjacent Laos, and possibly in northeastern Cambodia. The most notable difference to the nominate race is the distinct plastral pattern, where only smaller black blotches (sometimes none at all) occur.

Described as a subspecies[7] ofC. galbinifrons, genetic studies[8] have shown it to be quite distinct, possibly to the extent of a separate species, i.e.,Cuora bourreti as is the case withCuora picturata,[9] once also considered a subspecies ofC. galbinifrons. However, osteologic studies[10] have shown thatC. g. bourreti probably better remains as a subspecies ofC. galbinifrons. This is also substantiated by the finding of intergradation zones in north-central Vietnam, where hybrid populations ofC. g. galbinifrons andC. g. bourreti are known to exist.[11] The status ofC. picturata is uncertain, while this is the morphologically and phenotypically the most distinct variety, authors[12] treat it as a subspecies ofC. galbinifrons again. Herein, it is treated as a separate but closely related species.

Specimens of at least the northern and central Vietnamesetaxahybridize—apparently in the wild—withkeeled box turtle males to produce the turtles once considered a separate species or subspecies,Cuora serrata.

Status

[edit]

All populations of Indochinese box turtle are in decline and the conservation situation is made more acute by the diversity of subspecies. Without trying to resolve these taxonomic issues, theInternational Union for Conservation of Nature has rated the conservation status of the species as "critically endangered".[1]

Gallery

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  • C. g. galbinifrons, dorsal view (Hainan)
    C. g. galbinifrons, dorsal view (Hainan)
  • C. g. galbinifrons, plastral view (Vietnam)
    C. g. galbinifrons, plastral view (Vietnam)
  • C. g. bourreti, lateral view, light-colored variety (Cambodia/Laos)
    C. g. bourreti, lateral view, light-colored variety (Cambodia/Laos)
  • C. g. bourreti, plastral view of the dark-colored Vietnamese variety
    C. g. bourreti, plastral view of the dark-colored Vietnamese variety
  • C. g. bourreti, lateral view of the dark-colored Vietnamese variety
    C. g. bourreti, lateral view of the dark-colored Vietnamese variety

References

[edit]
  1. ^abLi, P.; McCormack, T.; Rao, D.-Q.; Shi, H.; Stuart, B.L.; Wang, L. (2020)."Cuora galbinifrons".IUCN Red List of Threatened Species.2020 e.T97357437A123816666.doi:10.2305/IUCN.UK.2020-2.RLTS.T97357437A123816666.en. Retrieved19 November 2021.
  2. ^"Appendices | CITES".cites.org. Retrieved2022-01-14.
  3. ^Fritz Uwe; Peter Havaš (2007)."Checklist of Chelonians of the World".Vertebrate Zoology.57 (2):216–217.doi:10.3897/vz.57.e30895.
  4. ^Zhao, 1975
  5. ^Iverson & McCord, 1992
  6. ^Li, 1958: org desc.Cyclemys flavomarginata hainanensis)
  7. ^Obst & Reimann, 1994
  8. ^Stuart & Parham 2004
  9. ^Lehr et al. 1998
  10. ^Fritzet al.. 2006
  11. ^Fritzet al.. 2003
  12. ^Fritz & Havas (2006)

External links

[edit]
Genera
Species of the familyGeoemydidae
Northern river terrapin(Batagur baska)
Banhxeochelys
Batagur
Cuora
Cyclemys
Echmatemys
Geoclemys
Geoemyda
Hardella
Heosemys
Leucocephalon
Malayemys
Mauremys
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Morenia
Notochelys
Orlitia
Pangshura
Rhinoclemmys
Sacalia
Siebenrockiella
Vijayachelys
Suborder
Superfamily
Family
Cryptodira
Chelonioidea
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Cheloniidae
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Kinosternoidea
Dermatemydidae
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Araripemydidae
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Podocnemididae
Sahonachelyidae
 
  
 
Cuora galbinifrons
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