Tuatara: Reptile With a Third Eye
- WWF educational fact sheet, including an illustration.
- http://www.panda.org/news_facts/education/middle_school/species/remarkable_animals/tuatara/index.cfm

Tuatara Facts
- List of facts about the New Zealand native reptile.
- http://www.nz.com/new-zealand/guide-book/natural-history/tuatara.aspx

Tuatara
- Fact sheet from the Mt. Bruce National Wildlife Centre, illustrated with photographs.
- http://www.mtbruce.org.nz/tuatara.htm

Biological Diversity 2001 - Rhynchocephalia
- Classification, photos, description, history, and conservation issues.
- http://www.earlham.edu/~quinnme/tuataras_rock.htm

The Extinction of Tuataras Will Not Be Our Fault
- An article describing an alternative view to the potential extinction of this species.
- http://www.uga.edu/srel/ecoview4-7-03.htm

Tuataras - Saint Louis Zoo
- Photos, characteristics, conservation status, and scientific name.
- http://www.stlzoo.org/animals/abouttheanimals/reptiles/tuataras/tuatara.htm

Sphenodon punctatus (Tuatara)
- Description from the Animal Diversity Web, covering geographic range, physical characteristics, natural history, and endangered species status.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Sphenodon_punctatus.html