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Cornuta

Cornuta is an extinct order of echinoderms. Along with the mitrates, they form the Stylophora.

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Cornuta
Reconstruction of the cornute Cothurnocystis
Fossil of Cothurnocystis elizae
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Echinodermata
Class: †Stylophora
Order: †Cornuta
Jaekel, 1901
Taxa

See Taxa

Cornuta is an extinct order of echinoderms. Along with the mitrates, they form the Stylophora.

Their first (probable) representative is Ponticulocarpus from the Spence Shale (mid Cambrian);2 Ordovician examples also exist.1

Taxa

As of 2002, the following taxa were recognized as being included in the order Cornuta:3

  • Acuticarpus Sumrall, Sprinkle & Guensburg, 1997
  • Amygdalotheca Ubaghs, 1969
  • Ampelocarpus Lefebvre & Vizcaïno, 1999
  • Arauricystis Lefebvre & Vizcaïno, 1999
  • Archaeocothurnus Sumrall, Sprinkle & Guensburg, 1997
  • Babinocystis Rozhnov, 1990
  • Beryllia Cripps & Daley, 1994
  • Bohemiaecystis Caster, 1967
  • Ceratocystis Jaekel, 1901
  • Chauvelicystis Ubaghs, 1969
  • Cothurnocystis Bather, 1913
  • Domfrontia Cripps & Daley, 1994
  • Drepanocarpos Smith & Jell, 1999
  • Flabellicystis Martí Mus, 2002
  • Galliaecystis Ubaghs, 1969
  • Hanusia Cripps, 1989
  • Juliaecarpus Ruta, 1999
  • Lobocarpus Ubaghs, 1998
  • Lyricocarpus Ubaghs, 1994
  • Milonicystis Chauvel, 1986
  • Nanocarpus Ubaghs, 1991
  • Nevadaecystis Ubaghs, 1967
  • Phyllocystis Thoral, 1935
  • Ponticulocarpus Sumrall & Sprinkle, 1999
  • Prochauvelicystis Daley, 1992
  • Procothurnocystis Woods & Jefferies, 1992
  • Progalliacystis Cripps, 1989
  • Prokopicystis Cripps, 1989
  • Proscotiaecystis Ubaghs, 1994
  • Protocystites Hicks, 1872
  • Reticulocarpos Jefferies & Prokop, 1972
  • Scotiaecystis Caster & Ubaghs, 1967
  • Thoralicystis Chauvel, 1971
  • Trigonocarpus Ubaghs, 1994
See also

See also

References

References

  1. Cornuta in the Paleobiology Database
  2. Sumrall, Colin D.; Sprinkle, James (1999). "Ponticulocarpus, a new cornute-grade stylophoran from the Middle Cambrian Spence Shale of Utah". Journal of Paleontology. 73 (5): 886–891. Bibcode:1999JPal...73..886S. doi:10.1017/S0022336000040725. S2CID 132521457.
  3. Domínguez Alonso, Patricio; Jefferies, Richard P. S.; Gil Cid, María Dolores (December 2002). "An annotated check-list of genera and species of carpoids". Coloquios de Palcontologia. 53: 33–68. ISSN 1132-1660.
  • Mus, Monica Martí (April 2002). "The Ordovician cornute Flabellicystis rushtoni n. gen. n. sp. (Stylophora, Echinodermata) and its phylogenetic position within the group Cornuta". Paläontologische Zeitschrift. 76 (1): 99–116. doi:10.1007/BF02988189. S2CID 129282077.
External links