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Science: Biology: Flora and Fauna: Animalia: Echinodermata
Science: Biology: Zoology: Echinodermata
Discovering Fossils: What is an Echinoid?
- Provides photographs and information on echinoids, or sea urchins, the arrival of regular species in the fossil record in the Cambrian and the appearance of irregular ones in the Jurassic.
- An article discussing living and extinct echinoderms, including a selection of photographs.
- Information about echinoderms in Australia including their biology, anatomy, behaviour, reproduction, predators, prey and ecology.
Peer's Echinoid Pages
- Information about and images of echinoids from the Cretaceous Period (Maastrichtian) from the Netherlands.
This View of Life: Bilateral Echinoderm Confirms Ancestry
- Article describing newly discovered Ctenoimbricata spinosa, a new genus and species within the echinodermata phylum.
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