Thai National Parks

Species of Thailand

Boulenger's tree dragon

Acanthosaura crucigera

George Albert Boulenger , 1885

In Thai: กิ้งก่าเขาหนามสั้น

Acanthosaura crucigera () is a species of lizard commonly known as the masked spiny lizard , Boulenger's pricklenape, or masked horned tree lizard. They are found in Myanmar, Thailand, Peninsular Malaysia, and Cambodia.

They have a distinct diamond-shaped black mark on the upper side of the neck and measure about 25 cm in total, snout to tip of the tail.

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Site notes

In the recent years A. cardamomensis and A. phuketensis got split from A. crucigera.

Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Suborder
Lacertilia
Family
Agamidae
Genus
Acanthosaura
Species
Acanthosaura crucigera

Common names

  • German:
    • Masken-Nackenstachler
    • Winkelkopfagame
  • English:
    • Boulenger's tree dragon
    • Boulenger's pricklenape
    • Masked horned tree lizard
  • Thai: กิ้งก่าเขาหนามสั้น

Synonyms

  • Acanthosaura crucigera, Larry Lee Grismer & Evan S. H. Quah (2019)
  • Acanthosaura crucigera, Perry L. Wood Jr et al. (2010)
  • Acanthosaura cf. crucigera, Larry Lee Grismer et al. (2008)
  • Acanthosaura cf. crucigera, Tanya Chan-Ard et al. (1999)
  • Acanthosaura crucigera, Merel J. Cox et al. (1998)
  • Acanthosaura crucigera, Ulrich Manthey & Wolfgang Grossmann (1997)
  • Acanthosaura crucigera, Heinz Wermuth (1967)
  • Acanthosaura crucigera, Edward Harrison Taylor (1963)
  • Goniocephalus armatus crucigerus, Malcolm Arthur Smith (1935)
  • Acanthosaura horrescens, Axel Johan Einar Lönnberg (1916)

Conservation status

Least Concern (IUCN 3.1)

Least Concern (IUCN 3.1)

Photos

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Acanthosaura crucigera - Kui Buri National Park
Acanthosaura crucigera
Acanthosaura crucigera
Acanthosaura crucigera (subadult)
Boulenger's pricklenape
Masked horned tree lizard

Range Map

Distribution map of Boulenger's tree dragon, Acanthosaura crucigera in Thailand
  • Erawan National Park
  • Huai Kha Khaeng Wildlife Sanctuary
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Kui Buri National Park
  • Nam Nao National Park
  • Phu Khiao Wildlife Sanctuary
  • Sai Yok National Park
  • Taksin Maharat National Park
  • Tha Song Yang District, Tak
  • Thong Pha Phum National Park
  • Thung Salaeng Luang National Park
  • Thung Yai Naresuan Wildlife Sanctuary
  • Umphang Wildlife Sanctuary
Range map of Acanthosaura crucigera in Thailand