Crustaceans and Echinoderms

Similarities:
-They both have types of symmetry.
-They both regenerate.


Differences:
-Crustaceans have bilateral symmetry and Echinoderms have radial symmetry.
-Echinoderms have no body segments and crustaceans have segmented appendages(legs)
-Echinoderms have skin made of calcium carbonate and crustaceans do not.
-Echinoderms have it's skeleton on the inside and crustaceans have it on the outside.
-Crustaceans have segmented appendages(legs)
-All Crustaceans have 5 pairs of legs.

Crustaceans-
Lobster(Homarus americanus)

http://www.eastcoastgourmet.com/blog/wp-content/uploads/2010/10/lobster-blue1.jpg

Kingdom:Animalia                                    

Phylum: Arthropoda

Class: Malacostraca
Order: Decapoda
Family: Nephropidae
Genus: Homarus
Species: H. Americanus

Mantis Shrimp(Odontodactylus havanensis)

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFEt5H_9kb18ZArzucXibUK2IM_tsrZdscKlYvn_ceLuMR-Z3bs30f1rP0CIEtg-thr4T7miradV7lz7guC7YOdSg_LDZVUDJtp6zdac90XZDoyevhFoNj7BpX9yvswcoLR6kLMQSY8jAj/s512/mantis-shrimp-791419.jpg

Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Stomatapoda
Family: Odontodactylidae
Genus: Odontodactylus
Species: havanesis

King Crab(Paralithodes camtschaticus)

http://images.nationalgeographic.com/wpf/media-live/photos/000/094/cache/maldives-sea-star_9407_600x450.jpg

Kingdom: Animalia

Phylum: Arthropoda

Class: Malacostraca

Order: Decapoda

Family: Lithodidae

Genus:  Paralithodes

Species:  camtschaticus

Echinoderms

Necklace Sea Star(Fromia monilis)

Kingdom: Animalia

Phylum: Echinodermata

Class: Asteroidea

Order: Valvatida

Family: Ophidiasteridae

Genus: Asterias

Species: monilis

http://images.nationalgeographic.com/wpf/media-live/photos/000/094/cache/maldives-sea-star_9407_600x450.jpg

http://www.ecuador-travel.net/galdiversity-urchin4.jpg

Chocolate Chip Sea Star(Protoreaster nodosus)

Kingdom: Animalia

Phylum: Echinodermata

Class: Asteroidea

Order: Valvatida

    Family: Oreastidae

Genus: Protoeaster

Species: nodosus

http://biomessecond08.wikispaces.com/file/view/180px-Crown_of_Thorns-jonhanson.jpg/50910501/180px-Crown_of_Thorns-jonhanson.jpg

Crown Of Thorns Sea Star(Acanthaster planci)

Kingdom: Animalia

Phylum: Echinodermata

Class: Asteroidea

Order: Valvatida

Family: Acanthasteridae

Genus: Acanthaster

Species: planci