Species Profile
Limulus
Horseshoe crab
KingdomAnimalia
PhylumArthropoda
ClassArachnida
OrderUnknown
FamilyUnknown
Introduction
Marine benthic arthropods.
Important in biomedical research.
Size & Structure
01
Large dome-shaped carapace
02
Brownish colour
03
Long spike-like telson
04
Book gills on abdomen
Limulus — 3D Model
General Features
- Coelom
- Coelomate
- Body plan
- Tube within a tube body plan (Protostomous)
- Germ layer
- Triploblastic
- Metamerism
- Absent
- Body symmetry
- Bilateral
- Fertilization
- External
- Digestion type
- Complete
- Nervous system
- Ganglionic
- Excretory organ
- Coxal glands
- Body temperature
- Poikilothermic (stenohaline)
- Circulatory type
- Open
- Development type
- Indirect
- Respiratory type
- Book gills
- Mode of excretion
- Ammonotelism
- Circulation system
- Open
- Skeleton structure
- Exoskeleton
- Level of Organisation
- Organ system level
- Regulation of Osmosis
- Osmoconformer
Ecology
Benthic scavenger
Supports coastal food chains
Eggs feed migratory birds
Economic Importance
Source of LAL in medicine
Research importance
Evolutionary significance