Than lan la mot nhom bo sat co vay phan bo rong rai, voi khoang 3800 loai. Chung co mat tren tat ca cac luc đia tru Nam Cuc cung nhu hau het cac day nui lua đai duong. Nhom nay, theo phan loai truyen thong no la phan bo Lacertilia, bao gom tat ca cac loai con ton tai cua Lepidosauria, chung la Sphenodontia (nhu tuatara) hay ran – tao thanh mot cap tien hoa. Trong khi cac loai ran đuoc xep chung voi nhanh Toxicofera ma chung tien hoa ra, Sphenodont la nhom chi em voi mot nhom đon nganh lon hon la Bo sat co vay, nhom nay bao gom ca than lan va ran.


Phan loai Phan loai nay la theo truyen thong.
Phan bo Lacertilia (Sauria) – (than lan) 

Ho †Bavarisauridae
Ho †Eichstaettisauridae
Phan thu bo Iguania
Ho †Arretosauridae
Ho †Euposauridae
Ho Corytophanidae (Than lan đau mu)
Ho Iguanidae (Ky nhong)
Ho Phrynosomatidae (than lan khong tai, than lan gai, than lan cay, than lan đom ben va than lan co sung)
Ho Polychrotidae (than lan Anolis)
Ho Leiosauridae (xem Polychrotinae)
Ho Tropiduridae (than lan đat nhiet đoi)
Ho Liolaemidae (xem Tropidurinae)
Ho Leiocephalidae (xem Tropidurinae)
Ho Crotaphytidae (than lan co dai va than lan bao)
Ho Opluridae (ky nhong Madagascar)
Ho Hoplocercidae (than lan rung va than lan đuoi chuy)
Ho †Priscagamidae
Ho †Isodontosauridae
Ho Agamidae (nhong)
Ho Chamaeleonidae (tac ke hoa)
Phan thu bo Gekkota
Ho Eubleparidae (thach sung mi)
Ho Gekkonidae (Ho Tac ke)
Ho Pygopodidae (than lan cut chan)
Ho Dibamidae (than lan mu)
Phan thu bo Scincomorpha
Ho †Paramacellodidae
Ho †Slavoiidae
Ho Scincidae (than lan bong)
Ho Cordylidae (than lan đuoi gai)
Ho Gerrhosauridae (than lan ma)
Ho Xantusiidae (than lan đem)
Ho Lacertidae (than lan tuong hoac than lan thuc)
Ho †Mongolochamopidae
Ho †Adamisauridae
Ho Teiidae (than lan đuoi roi)
Ho Gymnophthalmidae (than lan đeo kinh)
Phan thu bo Diploglossa
Ho Anguidae (than lan ran)
Ho Anniellidae (than lan cut chan Bac My)
Ho Xenosauridae (than lan vay num)
Ho Shinisauridae (than lan ca sau)
Phan thu bo Platynota (Varanoidea)
Ho Varanidae (ky đa)
Ho Lanthanotidae (ky đa khong tai)
Ho Helodermatidae (than lan Gila va than lan đinh cuom Mexico)
Ho †Mosasauridae (than lan bien)


Phat sinh chung loai Cac nghien cuu phan tu cho thay Lacertilia nhu đinh nghia tren đay la mot nhom can nganh, do khong bao gom toan bo cac hau due (cu the o đay la cac loai ran (Serpentes) trong nhanh Toxicofera) tu cung mot to tien chung.
Bieu đo duoi đay ve theo Pyron et al. (2013)


Hinh anh Van hoa = Phim =
Bill The Lizard (Alice In Wonderland) (Than lan)
Carmello (Robinson Crusoe) (Tac ke hoa)
Master Chao (Kungfu Panda 3) (Than lan sa mac)
Miss Crawly (Sing) (Cu đa)
Oscar (Oscar's Oasis) (Tac ke)
The Female Lizard (Oscar's Oasis) (Than lan)


= Am nhac =
Hai con than lan con
Tac ke (Vu Hoang)
Thach sung (Khac Dung)


= Truyen =
Truyen co tich Viet Nam Su tich con thach sung (Thach sung)


Chu thich Tham khao Đoc them Byiiuo, John L.; King, F. Wayne (1979). The Audubon Society Field Guide to Reptiles and Amphibians of North America. New York: Alfred A. Knopf. tr. 581. ISBN 0-394-50824-6.
Capula, Massimo (1989). Simon & Schuster's Guide to Reptiles and Amphibians of the World. Behler. New York: Simon & Schuster. ISBN 0-671-69098-1.
Cogger, Harold; Zweifel, Richard (1992). Reptiles & Amphibians. Sydney: Weldon Owen. ISBN 0-8317-2786-1.
Conant, Roger; Collins, Joseph (1991). A Field Guide to Reptiles and Amphibians Eastern/Central North America. Boston, Massachusetts: Houghton Mifflin Company. ISBN 0-395-58389-6.
Ditmars, Raymond L (1933). Reptiles of the World: The Crocodilians, Lizards, Snakes, Turtles and Tortoises of the Eastern and Western Hemispheres. New York: Macmillian. tr. 321.
Freiberg, Dr. Marcos; Walls, Jerry (1984). The World of Venomous Animals. New Jersey: TFH Publications. ISBN 0-87666-567-9.
Gibbons, J. Whitfield; Gibbons, Whit (1983). Their Blood Runs Cold: Adventures With Reptiles and Amphibians. Alabama: University of Alabama Press. tr. 164. ISBN 978-0-8173-0135-4.
Rosenfeld, Arthur (1989). Exotic Pets. New York: Simon & Schuster. tr. 293. ISBN 067147654. {{Chu thich sach}}: Kiem tra gia tri |isbn=: so con so (tro giup)


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