Species Profile
Cephalaspis ✝︎
Armored jawless fish
KingdomAnimalia
PhylumChordata
ClassOstracodermi
OrderUnknown
FamilyUnknown
Introduction
Lived during the Devonian period.
Fossils found in Europe and North America.
Represents early vertebrate evolution.
Size & Structure
01
Broad armored head
02
Jawless mouth
03
Flattened body
04
Tail fin present
Cephalaspis ✝︎ — 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
- Primitive vertebrate type
- 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
- Bony exoskeletal plates
- Level of Organisation
- Organ system level
- Regulation of Osmosis
- Osmoregulator
Ecology
Bottom feeder
Early vertebrate lineage
Freshwater inhabitant
Economic Importance
Important fossil fish
Evidence for vertebrate evolution
Paleo-studies