| NEW 2026
Zoological Nomenclature Classifica on System
KPCOFGSC
-Kingdom
-Phylum
-Class
-Order
-Family
-Genus
-Species
-Common Name
Scien fic Names are
Italicized or Underlined
Genus is
Capitlized
When one species is referred to but not named
sp.
When more than one species is referred to but not named
spp.
3 body regions
Head, Thorax, Abdomen
Example of 3 body region arthropods
Insects
2 Body Regions
Cephalothorax and Abdomen
Examples of 2 body region arthropods
, Cen pedes, Millipedes, Arachnids, Crustaceans
The exoskeleton is made of
Chi n
All arthropods have an open circulatory system with
A dorsal heart and aorta
3 types of respiratory systems
Surface gills, book lungs, or tracheae
Arthropod nervous system
Dorsal brain with ventral nerve cord
Class Crustacea common name
Crustaceans
Examples of crustaceans
Shrimp, Crabs, Crayfish, Lobsters
Crustacea Characteris cs
2 body regions (Cephalothorax & Abdomen)
5 or more pairs of legs
2 pairs of antennae
Class Diplopoda common name
Millipedes
Diplopoda Characteris cs
2 body regions (Head & Body)
Cylindrical body with 25-100 segments
Two pairs of legs per segment
1 pair of antennae
Class Chilopoda common name
Cen pedes
Chilopoda Characteris cs