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Università degli Studi di Padova

PHAIDRA – Digital collections



Echinodermata. Crinoidea. Brachiata

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Echinodermata. Crinoidea. Brachiata

Description

Phylum Echinodermata
Class Crinoidea
Antedon

Living in marine habitats
1) Adult stage with prehensile cirri at the aboral pole. Arms which are radial, flexible, with a double series of pinnules, are visible.
Calyx pentaradial symmetry: the dichotomous division of the five arms is evident.
4-6) free-swimming doliolaria larval stages.
7) Start of the attachment to a substrate;
8) metamorphosis to pentacrinoid stage.


Format


image/jpeg (990.40 kB)
wallchart

Subject


• Zoologia, Echinodermi, Tavola didattica

Object languages:

German

Sources


• Complesso di Biologia e Biomedicina - esposizione

Rights:

Creative Commons License
This work is licensed under a Creative Commons CC BY-NC-SA 4.0 License.