Links
Stylophora - stylophorans
Jefferies R. P. S., Prokop R. J. (1972): A new calcichordate from the Ordovician of Bohemia and its anatomy, adaptations and relationships
Biol. J. Linn. Soc., 4, 2, 69-115. London. Cripps A. P. (1989): A new genus of stem chordate (Cornuta) from the Lower and Middle Ordovician of Czechoslovakia and the origin of bilateral symmetry in the Chordates
Geobios 22(2):215-245 Lefebvre B. (2000): A New Mitrate (Echinodermata, Stylophora) from the Tremadoc of Shropshire (England) and the Origin of the Mitrocystitida
J. Paleont., 74(5), pp. 890-906 Cripps A. P. (1989): A new stem-group chordate (Cornuta) from the Llandeilo of Czechoslovakia and the cornute-mitrate transition
Zool. Jour. Linn. Soc., 96, 49-85. London Dominguéz Alonso P., Jefferies R. P. S., Gil Cid D. (2002): An annotated check-list of genera and species of carpoids
Coloquios de Palcontologia, 53: 33-68 Fatka O., Kordule V. (2001): Asturicystis havliceki sp. nov. (Echinodermata, Homostelea) from the Middle Cambrian of Bohemia (Barrandian area, Czech Republic)
Journal of the Czech Geological Society 46/3-4 Gil Cid, Domínguez Alonso P., Silván Pobes E. & Escribano Ródenas M., 1996 (1996): Bohemiaecystis Bohemiacystis n. sp.; Primer Cornuta para el Ordovicico español
Estudios Geol., 52: 3 13-326 
C. D. Sumrall, J. Sprinkle, S. Pruss, S. Finnegan (2009): Cardiocystella , A New Cornute Stylophoran from the Upper Cambrian Whipple Cave Formation, Eastern Nevada, USA
Journal of Paleontology, 83(2):307-312 Prokop R. J. (1963): Dalejocystis n.gen., the first representative of the Carpoidea in the Devonian of Bohemia
Journal of Paleontology 37 (3), 648-650 Lefebvre B., Botting J. P. (2007): First report of the mitrate Peltocystis cornuta Thoral (Echinodermata, Stylophora) in the Lower Ordovician of central Anti-Atlas (Morocco)
Annales de Paléontologie 93, 183–198 Martí Mus M. (2006): Chauvelicystis vizcainoi Daley, 1992 (Stylophora, Echinodermata), a junior synonym of Chauvelicystis spinosa Ubaghs, 1970
FF, 128:1, 43-46, Parsley R. L., Prokop R. J., Derstler K. (2000): Kirkocystid ankyroids (Stylophora: Echinodermata) from the Šárka Formation (Ordovician) of Bohemia
Bulletin of Geosciences, volume 75 (1), 37-48 Parsley R. L., Gutiérrez-Marco J. C. (2005): Stylophorans in middle Arenig shallow water siliciclastics: Vizcainocarpus from the Imfout Syncline in Morocco’s western Meseta
Bulletin of Geosciences, Vol. 80, No. 3, 185–192 Ubaghs G. (1979): Trois Mitrata (Echinodermata: Stylophora) nouveaux de l'Ordovicien de Tchécoslovaquie
Paläont. Z., 53, 1-2,: 98-119. Stuttgart. 
Daley P. E. J. (1992): Two new cornutes from the lower Ordovician of Shropshire and southern France
Palaeontology, 35, 127–148