Crustaceans and Echinoderms in Construction

*Crustaceans and Echinoderms*

Similarities: They are both bilateral, but only when echinoderms are in their larvae stage.

Differences: Echinoderms have an endoskeleton while crustaceans have and exosketelton. Crustaceans have 5 legs, while an echinoderms has no body segiments. Crustaceans molt their outer layer and grow news ones. Echinoderms do not molt.

Examples of Crustaceans

(http://lh3.ggpht.com/_RVsMiNRNEYs/SwGEINt5ffI/AAAAAAAAJ-w/sdNxME3nUOk/ShrimpWhitebanded1.jpg)

White-banded Cleaner Shrimp

Kingdom: Animalia

Phylum: Arthropoda

Class: Malacostraca

Order: Decapoda

Family: Alpheidae

Genus: Lysmata

Specific Name: amboinensis

(http://www.dpughphoto.com/images/ghost%20crab%20springer%27s%20point%2051106.JPG)

Ghost Crab

 Examples of Echinoderms

Kingdom: Animalia

Phylum: Arthropoda

Class: Malacostraca

Order: Decapoda

Family: Ocypodoidea
Genus: Ocypode

Specific Name: ceratophthalma

(http://www.dnr.sc.gov/marine/mrri/acechar/image/photos/fiddler.jpg)

Fiddler Crab

Kingdom: Animalia

Phylum: Arthropoda

Class: Malacostraca

Order: Decapoda

Family: Ocypodoidea
Genus: Uca

Specific Name: pugnax

Examples of Echinoderms

(http://www.stanford.edu/~bhackett/monterey-2005-02-04/images/california-sea-cucumber.jpg)

California Sea Cucumber

Kingdom: Animalia

Phylum: Echinodermata

Class: Holothuroidea

Order: Aspidochirotida

Family: Curculionoidea
Genus: Parastichopus

Specific Name: californicus

(http://www.layoutstar.com/images/allbackgrounds/bgs/upped/1245927403.jpg)

Blue Sea Star

Kingdom: Animalia

Phylum: Echinodermata

Class: Asteroidea

Order: Not Listed

Family: Not Listed
Genus: Phataria

Specific Name: unifascialis

(http://rlv.zcache.com/pair_of_giant_red_sea_urchins_fine_art_prints-p228374452788696333trma_400.jpg)

Giant Red Sea Urchin

Kingdom: Animalia

Phylum: Echinodermata

Class: Echinoidea

Order: Echinoida

Family: Curculionoidea
Genus:Strongylocentrotus

Specific Name: franciscanus

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