Note by StalkerMoose, updated more than 1 year ago
Created by StalkerMoose over 5 years ago


A general idea of the phylum Echinodermata and the classes that comprise it. This note is intended to highlight general characteristics and will not go in-depth with the features that differentiate the classes from each other. Lastly, these notes will be restricted to the notes represented in my class, and is intended for self-use.

Resource summary

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Phylum Echinodermata

General characteristics: Deuterostomes Water Vascular System Pentaradial Symmetry in most Nervous system lacks a distinct brain, but has radial nerves and circumoral ring Complete digestive system in most Respiration by various structures depending on class (papulae, tube feet, respiratory trees, bursae) Endoskeleton of calcareuos plates (ossicles) covered by epidermis

Phylogeny Class Asteroidea Class Ophiuroidea Class Crinoidea Class Echinoidea Class Holothuroidea

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