Cornuta is an extinct order of
echinoderm
An echinoderm () is any member of the phylum Echinodermata (). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea ...
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 echinoder ...
s, they form one half of the
Stylophora
The stylophorans are an extinct, possibly polyphyletic group allied to the Paleozoic Era echinoderms, comprising the prehistoric cornutes and mitrates. It is synonymous with the subphylum Calcichordata. Their unusual appearances have led to a va ...
.
References
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External links
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*
Cornuta at fossilworks.org(retrieved 16 April 2016)
Homalozoa
Prehistoric animal orders
Echinoderm orders
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