phylum echinodermata - scamit · 2015-11-03 · phylum echinodermata class asteroidea subclass...
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Phylum Echinodermata Class Asteroidea
Subclass Perischoechinoidea Superorder Gnathostomata
Order Clypeasteroida Suborder Scutellina
Family Dendrasteridae
Dendraster terminalis
Coloration: Pale white with botchy green
Type of Urchin: Sanddollar
Defining Characteristics:
Petaloid area remarkably small Primary spines are short and slender Spines are knobbed at the tip
- Pedicellariae very small - Edge of test is very thin
Illustration
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