Stylophora

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Stylophora
Scientific classification
Kingdom: Animalia
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Homalozoa
Class: Stylophora
Gill & Caster, 1960
Genera
  • Enoploura
  • Mitrocystella
  • Mitrocystites
  • Phyllocystis
  • Scotiaecystis
  • Cothurnocystis

The Stylophora are a class within the subphylum Homalozoa of the Phylum Echinodermata. All its members are fossil. It is synonymous with the subphylum Calcichordata.

Its members have a shell like an echinoderm's. Some say that all or some of its members have gill slits like a chordate, and that its stem contained a notochord. In Mitrocystites and perhaps in other forms its stem does not end in an attachment organ, and the stem likelier served it as a tail for moving itself about by. Cothurnocystis is unsymmetrical and boot-shaped, and Mitrocystites is bilaterally symmetical and more streamlined.

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