Have subchelate thoracopods

mantis shrimps

Squilla

Order Stomatopoda

Class Malacostraca

Subph. Crustacea

Ph. Arthropoda

Have a filter basket

krill

Order Euphausiacea

Class Malacostraca

Subph. Crustacea

Phylum Arthropoda

Penaeids

Family Penaeidae

Order Decapoda

Class Malacostraca

Subph. Crustacea

Phylum Arthropoda

Carideans

Macrobrachium

Infrarorder Caridea

Order Decapoda

Class Malacostraca

Subph. Crustacea

Ph. Arthropoda

Have 2nd abdominal segment that ALWAYS OVERLAPS OVER THE 1st and 3rd ab. seg.

Grass shrimp

Palaemonetes

Infraorder Caridea

Order Decapoda

Class Malacostraca

Subph. Crustacea

Ph. Arthropoda

Popping major chela

Snapping shrimp

Alpheus

Infraorder Caridea

Order Decapoda

Class Malacostraca

Subph. Crustacea

Ph. Arthropoda

Cambarus and procambarus

Infraorder Astacidea

Order Decapoda

Class Malacostraca

Subph. Crustacea

Ph. Arthropoda

Have frontal horns

Spiny Lobsters

Panulirus

Infraorder Palinura

Order Decapoda

Class Malacostraca

Callichirus

Infraorder Thalassinoidea

Order Decapoda

Class Malacostraca

Clibanarius

Infraorder Anomura

Order Decapoda

Class Malacostraca

Have cylindrical carapace and fuzzy antennae

Mole crabs

Emerita

Infraorder Anomura

Order Decapoda

Class Malacostraca

Callinectes

Infraorder Brachyura

Order Decapoda

Class Malacostraca

Panopeus

Infraorder Brachyura

Order Decapoda

Class Malacostraca

Have an oversized claw for mating rituals

Fiddler crabs

Uca

Infraorder Brachyura

Order Decapoda

Class Malacostraca

Libinia

Infraorder Brachyura

Order Decapoda

Class Malacostraca

Mysids

Opossum shrimps

Order Mysidacea

Superorder Percacarida

Class Malacostraca

Ligia 

Order Isopoda

Superorder Peracarida

Class Malacostraca

Pill bugs

roly polies

Armadillum

Order Isopoda

Superorder Peracarida

Class Malacostraca

Bathynomus 

Order Isopoda

Superorder Peracarida

Class Malacostraca

beach hopper

Gammarus

Order Amphipoda

Superorder Peracarida

Class Malacostraca

Caprella

Order Amphipoda

Superorder Peracarida

Class Malacostraca

Have ocelli, fangs, posterior legs

Centipedes

Scolopendra

Class Chilopoda

Superclass Myriapoda

Phylum Arthropoda

Have long legs

House centipedes

Scutigera

Class Chilopoda

Superclass Myriapoda

Phylum Arthropoda

Have 12 pairs of legs on trunk segments 1-12

Symphylans

Class Symphyla

Superclass Myriapoda

Class Diplopoda

Superclass Myriapoda

Have 9 pairs of legs

Pauropods

Class Pauropoda

Superclass Myriapoda

Have hopping furcula

Springtails

Order Collembola

Class Entognatha

Superclass Hexapoda

Have 3 long tail filaments

Mayflies

Order Ephemeroptera

Class Insecta

Superclass Hexapoda

Order Odonta

Class Insecta

Grasshoppers and crickets

Order Orthoptera

Class Insecta

Order Blattaria

Class Insecta

Have front legs with sharp spines for grasping prey

Mantids

Order Mantodea

Class Insecta

Have reproducers, workers, and soldiers

Termites

Order Isoptera

Class Insecta

Have two tail filaments

Stoneflies

Order Plecoptera

Class Insecta

Have strong, shiny pincers on the end of abdomens

Earwigs

Order Dermaptera

Class Insecta

Wingless

Lice

Order Phthiraptera

Class Insecta

Have long beak

True bugs (Cicades, Leafhoppers, and Aphids)

Order Hemiptera (Suborder Homoptera)

Class Insecta

Has mouth for chewing

Dobsonflies

Order Megaloptera

Class Insecta

Has elytra

Beetles

Order Coleoptera

Class Insecta

Only head, thorax, and legs protrude from case

Caddis Flies

Order Trichoptera

Class Insecta

Order Lepidoptera

Class Insecta

Have halteres that vibrate during flight

Flies

Order Diptera

Class Insecta

Order Hymenoptera

Class Insecta

Order Siphonaptera

Class Insecta