Cornuta

Cornuta; Temporal range: Middle Cambrian – Ordovician [verification needed] PreꞒ Ꞓ O S D C P T J K Pg N
	Reconstruction of the cornute Cothurnocystis
	Fossil of Cothurnocystis elizae
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	†Stylophora
Order:	†Cornuta; Jaekel, 1901
Families
	Cothurnocystidae; incertae sedis;

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);,^[1] Ordovician examples also exist.

References

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.

Cornuta Temporal range: Middle Cambrian – Ordovician ^{[verification needed]} PreꞒ Ꞓ O S D C P T J K Pg N

Reconstruction of the cornute Cothurnocystis

Fossil of Cothurnocystis elizae
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	†Stylophora
Order:	†Cornuta Jaekel, 1901
Families
Cothurnocystidae incertae sedis