Tuesday, March 15, 2011

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

White-banded Cleaner Shrimp
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Family: Alpheidae
Genus: Lysmata
Specific Name: amboinensis



Ghost Crab
 Examples of Echinoderms

Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Family: Ocypodoidea
Genus: Ocypode
Specific Name: ceratophthalma



Fiddler Crab
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Family: Ocypodoidea
Genus: Uca
Specific Name: pugnax



Examples of Echinoderms

California Sea Cucumber
Kingdom: Animalia
Phylum: Echinodermata
Class: Holothuroidea
Order: Aspidochirotida
Family: Curculionoidea
Genus: Parastichopus
Specific Name: californicus



Blue Sea Star
Kingdom: Animalia
Phylum: Echinodermata
Class: Asteroidea
Order: Not Listed
Family: Not Listed
Genus: Phataria
Specific Name: unifascialis

Giant Red Sea Urchin

Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Echinoida
Family: Curculionoidea
Genus:Strongylocentrotus
Specific Name: franciscanus


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