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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: February 20th, 2026.


Taxonomy of the family Platysternidae
Bibliography of the genus Platysternon
Biodiversity of the genus Platysternon








Genus
Platysternon

Big-headed Turtles

Grosskopfschildkröten

Storhovedskildpadder

1831 Platysternon Gray (type species: Platysternon megacephalum Gray 1831)
1846 Platysternum Agassiz [substitute name] (syn. Fritz & Havas 2006)

Contents: 3 species, of which 1 (33.3%) is endemic.
Endemism: 0% 100%
Distribution: Cambodia, China (Anhui, Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hong Kong, Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan, Zhejiang), Laos, Myanmar, Thailand, Vietnam.

Platysternon baiseense

Baise Big-headed Turtle

Baise-Großkopfschildkröte

Baise-storhovedskildpadde

2025 Platysternon baiseensis Liang, Li, Ge, Ou, Yin, Suwannapoom, Le, Nguyen, Fritz & Gong
Platysternon baiseense Midtgaard 2026 [justified emendation] (this work)

Remarks: Since Platysternon is grammatical neuter, the specific epithet is corrected to baiseense to comply with Latin grammar.
Distribution: China (Guangxi).





Platysternon megacephalum

Eastern Big-headed Turtle, Big-headed Terrapin, Yingzugui, (Chinese Big-headed Turtle)

Östliche Großkopfschildkröte

Østlig Storhovedskildpadde

1831 Platysternon megacephalum Gray
Emys megacephala Schlegel 1838
1987 Platysternon megacephalum shiui Ernst & McCord (syn. Liang, Li, Ge, Ou, Yin, Suwannapoom, Le, Nguyen, Fritz & Gong 2025)

Other common names:
shiui: Vietnamese Big-headed Turtle
Remarks: Previously included peguense as well as the population now assigned to baiseense (Liang, Li, Ge, Ou, Yin, Suwannapoom, Le, Nguyen, Fritz & Gong 2025).
Introduced to: Singapore, Taiwan.
Distribution: China (Anhui, Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hong Kong, Hunan, Jiangsu, Jiangxi, Sichuan, Zhejiang), Vietnam.


Platysternon peguense

Burmese Big-headed Turtle

Burmesische Großkopfschildkröte

Burmesisk Storhovedskildpadde

1870 Platysternon peguense Gray
Platysternon megacephalum peguense Wermuth 1960
1969 Platysternon megacephalum vogeli Wermuth (syn. Liang, Li, Ge, Ou, Yin, Suwannapoom, Le, Nguyen, Fritz & Gong 2025)
1984 Platysternon megacephalum tristernalis Schleich & Gruber (syn. Liang, Li, Ge, Ou, Yin, Suwannapoom, Le, Nguyen, Fritz & Gong 2025)

Other common names:
tristernalis: Yunnan Big-headed Turtle
vogeli: Thai Big-headed Turtle
Remarks: Previously regarded as a subspecies of megacephalum (e.g., Rhodin, Iverson, Fritz, Gallego-Garcia, Georges, Shaffer & Dijk 2025). Revalidated as a separate species by Liang, Li, Ge, Ou, Yin, Suwannapoom, Le, Nguyen, Fritz & Gong (2025).
Distribution: Cambodia, China (Yunnan), Laos, Myanmar, Thailand, Vietnam.


Platysternon peguense
© Henrik Bringsøe