Species Profile
Sphenodon punctatum
Tuatara
KingdomAnimalia
PhylumChordata
ClassReptilia
OrderUnknown
FamilyUnknown
Introduction
Sphenodon punctatum lives in burrows.
Nocturnal and carnivorous.
Represents primitive reptiles.
Size & Structure
01
Lizard-like body
02
Spiny crest on back
03
Parietal (third) eye
04
Greenish-brown colour
Sphenodon punctatum — 3D Model
General Features
- Coelom
- Coelomate
- Body plan
- Tube within a tube body plan (Deuterostomous)
- Germ layer
- Triploblastic
- Metamerism
- Absent
- Body symmetry
- Bilateral
- Fertilization
- Internal
- Digestion type
- Complete
- Nervous system
- Well developed brain
- Excretory organ
- Kidneys
- Body temperature
- Poikilothermic, stenohaline
- Circulatory type
- Closed circulation, incomplete double
- Development type
- Direct
- Respiratory type
- Pulmonary respiration
- Mode of excretion
- Uricotelism
- Circulation system
- Closed
- Skeleton structure
- Endoskeleton (bony)
- Level of Organisation
- Organ system level
- Regulation of Osmosis
- Osmoregulator
Ecology
Predator of insects and reptiles
Maintains island ecosystems
Evolutionary relic
Economic Importance
Evolutionary biology importance
Conservation value
Educational significance