The tuatara (Sphenodon punctatus) is a species of reptile endemic to New Zealand. Despite its close resemblance to lizards, it is actually the only extant member of a distinct lineage, the …

Sphenodontidae is a family within the reptile group Rhynchocephalia, comprising taxa most closely related to the living tuatara (Sphenodon punctatus). Historically the taxa included within …

Rhynchocephalia (/ ˌrɪŋkoʊsɪˈfeɪliə /; lit. 'beak-heads') is an order of lizard-like reptiles that includes only one living species, the tuatara (Sphenodon punctatus) of New Zealand. Despite …

Feb 21, 2025 · tuatara, (Sphenodon puntatus), a species of moderately large lizardlike reptiles endemic to New Zealand, specifically to North Island, roughly 30 islets off the island’s …

Sphenodon or hatteria is the last survivor of the reptilian order Rhynchocephalia, which evolved in the early Mesozoic era, about 200 million years ago, but is now survived by only two species, …

About 600 tuataras live on a 5-acre (2.2-hectare) patch of scrub vegetation at the top of the island. In 1990, it was initially decided that the Brothers Island tuatara was a separate species …

Oct 3, 2024 · Sphenodon is a reptile that typically reaches a length of about 60 cm (approximately 2 feet). It has a distinctly lizard-like appearance but exhibits several features that set it apart …

The two recognized species of tuatara (Sphenodon punctatus and Sphenodon guntheri) are found on approximately 30 small, relatively inaccesible, islands off the coast of New Zealand. The …

May 27, 2024 · The tuatara’s scientific name is Sphenodon punctatus. “Sphenodon” originates from the Greek words “sphen,” meaning “wedge,” and “odon,” meaning “tooth.” “Punctatus” is …

In crocodylians, it is an H-shaped, bilobular organ, which has a lobe on each side of the trachea connected by a narrow isthmus. Some lizards share this bilobular condition, others have a …