Unresolved name

Unresolved name: Biota » Animal » Echinoderms » Echinozoa » Sea Urchins » Cidaroidea » Cidaroida «

Stem group Cidaroida

Stem group is a superfamily of . There are 76 species of Stem group, in 31 genera and 8 families.

EOL has data for 4 attributes, including:

ecomorphological guild
- URI: http://eol.org/schema/terms/EcomorphologicalGuild
- Definition: organisms that share certain morphological traits due to adaptation to similar environments and ecological roles
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epibiotic
- URI: http://www.wikidata.org/entity/Q640114
- Definition: organism that lives on the surface of another living organism
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supporting structures and enclosures
- URI: http://www.marinespecies.org/traits/SupportingStructuresEnclosures
- Definition: Hard framework, internal or external, which supports and protects softer parts of plant, animal or unicellular organism, and to which muscles usually attach in animals, includes skeletons (derived from Lawrence, 2005).
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:SupportingStructuresEnclosures Lawrence, E. (ed.) (2005) Henderson's dictionary of Biology (13th edition). London, United Kingdom: Pearson Education Limited.
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endoskeleton
- URI: http://purl.obolibrary.org/obo/UBERON_0010362
- Definition: internal support structure of an animal, composed of mineralized tissue.
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Stem group includes 8 children: