Species Profile
Nautilus
Nautilus
KingdomAnimalia
PhylumMollusca
ClassCephalopoda
OrderUnknown
FamilyUnknown
Introduction
Nautilus lives in deep marine waters.
It is slow-moving and carnivorous.
Important evolutionary form.
Size & Structure
01
Coiled shell
02
Numerous tentacles
03
Simple eyes
04
Buoyancy chambers
Nautilus — 3D Model
General Features
- Coelom
- Eucoelomate (reduced)
- Body plan
- Tube within a tube body plan (Protostomous)
- Germ layer
- Triploblastic
- Metamerism
- Absent
- Body symmetry
- Bilateral symmetry
- Fertilization
- Internal
- Digestion type
- Complete, extracellular
- Nervous system
- Moderately developed
- Excretory organ
- Metanephridia
- Body temperature
- Poikilothermic, stenohaline
- Circulatory type
- Closed circulation, double
- Development type
- Direct
- Respiratory type
- Ctenidial respiration
- Mode of excretion
- Ammonotelism
- Circulation system
- Closed
- Skeleton structure
- External chambered shell
- Level of Organisation
- Organ-system level
- Regulation of Osmosis
- Osmoconformer
Ecology
Scavenger and predator
Deep-sea ecosystem
Evolutionary link
Economic Importance
Evolution studies
Shell trade
Museum specimen