Classification and features of echinodermata, Biology

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Classification with its Justification

Kingdom Animalia Animals, multi-cellular organisms with cells that lack a cell wall, many capable of movement or movement of some of their body parts or capable of movement at some time of their life cycle; heterotropliic nutrition.


Sub-kingdom Eumetazoa Animals with tissues and organs.

Grade I Bilateral Bilateral animals


Division Deuterostomia Cleavage is radial and usually indeterminate, mouth arising some distance interiorly from blastopore. Mesoderm and coelom develop primitively from out-pocketing s of the primitive gut.

Phylum Echinodermata Secondary radial symmetry, endoskeletal plates.


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