Cornuta is an extinct order of
echinoderm
An echinoderm () is any animal of the phylum Echinodermata (), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". While bilaterally symmetrical as ...
s. Along with the
mitrate
Mitrates are an extinct group of stem group echinoderms, which may be closely related to the hemichordates. Along with the cornutes, they form one half of the Stylophora.
Morphology
The organisms were a few millimetres long. Like the echinod ...
s, they form the
Stylophora.
Their first (probable) representative is ''
Ponticulocarpus'' from the Spence Shale (mid Cambrian);,
Ordovician examples also exist.
References
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External links
*
*
Cornuta at fossilworks.org(retrieved 16 April 2016)
Homalozoa
Prehistoric animal orders
Echinoderm orders
{{paleo-echinoderm-stub