Species Profile
Climatius ✝︎
Spiny shark
KingdomAnimalia
PhylumChordata
ClassPlacodermi
OrderUnknown
FamilyUnknown
Introduction
Lived during the Devonian period.
Fossils found in Europe.
Represents early jawed vertebrates.
Size & Structure
01
Streamlined body
02
Multiple fin spines
03
Small size
04
Shark-like appearance
Climatius ✝︎ — 3D Model
General Features
- Coelom
- True coelom
- Body plan
- Tube within a tube body plan (Deuterostomous)
- Germ layer
- Triploblastic
- Metamerism
- Present
- Body symmetry
- Bilateral
- Fertilization
- External
- Digestion type
- Complete
- Nervous system
- Well developed
- Excretory organ
- Kidneys
- Body temperature
- Poikilothermic
- Circulatory type
- Closed, single
- Development type
- Indirect
- Respiratory type
- Branchial respiration
- Mode of excretion
- Ammonotelism
- Circulation system
- Closed
- Skeleton structure
- Cartilaginous endoskeleton
- Level of Organisation
- Organ system level
- Regulation of Osmosis
- Osmoregulator
Ecology
Small aquatic predator
Early jawed fish radiation
Freshwater ecosystem member
Economic Importance
Fossil evidence of fish evolution
Study of jaw development
Paleontological importance