Cuora galbinifrons bourreti is a turtle subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 found in central Vietnam and adjacent Laos and commonly called the central Vietnamese flowerback box turtle.

Taxonomy

Although Stuart and Parham (2004) argued that it was quite distinct, possibly enough to justify its elevation to a full species, ostelogic studies by Fritz et al. (2006) have shown that it probably better remains as a subspecies of C. galbinifrons

Cuora galbinifrons

The Indochinese box turtle or Vietnamese box turtle or Flowerback box turtle is a species of Asian box turtle from China , northern and central Vietnam, Laos and possibly northeastern Cambodia....

. This is further substantiated by the finding of intergradation

Intergradation

In zoology, intergradation is the way in which two distinct subspecies are connected via areas where populations are found that have the characteristics of both...

zones in north-centralvietnam, where hybrid populations of C. g. galbinifrons and C. g. bourreti are known to exist (Fritz et al. 2003).