Crustaceans and Echinoderms

• The similarity between Crustaceans and Echinoderms is that they both have bilateral symmetry when the Echinoderm is in the larvae stage. 

• The differences include: Crustaceans have an exoskeleton and Echinoderms have an endoskeleton, (when the Echinoderm is out of the larvae stage) Echinoderms have radial symmetry and Crustaceans have bilateral symmetry, Crustaceans have body segments and Echinoderms do not, Crustaceans molt Echinoderms do not.

Crustaceans!

 

http://www.sheppardsoftware.com/content/animals/profile_crustaceans.htm

1. The first picture all the way to the left is a Mantis Shrimp. Here is the taxonomy of the Mantis Shrimp:Kingdom is Animalia, Phylum is Arthropoda, Class is Malacostraca, Order is Stomatopoda, Family is Gonodactyloidea, Genus is Pseduosquilla, Species is cilliata.
2.  The second, or middle picture, is a Crawfish. Here is the taxonomy of the Crawfish: Kingdom is Animalia, Phylum is Arthropoda, Class is Malacostraca, Order is Decapoda, Family is Cambaridae, Genus is Cambarus, Species is acanthura.
3. The last picture all the way to the right is a Sally Lightfoot Crab. Here is the taxonomy of the Sally Lightfoot Crab:Kingdom is Animalia, Phylum is Arthropoda, Class is Crustacea, Order is Decapoda, Family is Grapsidae, Genus is Percnon, and Species is gibbesi. 

Echinoderms!

http://www.google.com/imgres?imgurl=http://universe-review.ca/I10-82-echinoderms.jpg

The top left picture is a Sea Star. Here is the taxonomy of the Sea Star: Kingdom is Animalia, Phylum is Echinodermata, Class is Asteroidea, Order is Forcipulatida, Family is Asteriidae, Genus is Pycnopodia, and Spcies is helianthoides.


The top right picture is a Sand Dollar. Here is the taxonomy of the Sand Dollar: Kingdom is Animalia, Phylum is Echinodermata, Class is Echinoidea, Order is Clypeasteroida, Family is Curculionoidea, Genus is Echinarachnius, and Species is parma. 

The bottom left picture is a Sea Cucumber. Here is the taxonomy of a Sea Cucumber: Kingdom is Animalia, Phylum is Echinodermata, Class is Holothuroidea, Order is Aspidochirotida, Family is Holothuriidae, Genus is Holothuria, and Species is paradalis.

Follow this cool video link to learn more about Echinoderms!

http://video.google.com/videoplay?docid=-1067581086327048501#