Subfamily GonyaulacoideaeCitation: Gonyaulacoideae (Autonym).
Diagnosis:Gonyaulacaceans with an S-type ventral organization, typically neutral torsion and three or four climactal plates excluding small dorsal anterior intercalary plates (so-called "incidental plates"), where present. Of these climactal plates, the first apical homologue (*1\') is reduced or absent. There are six Kofoid precingular plates.
Type genus:Extant genera:Fossil genera:
Achomosphaera ERROR bib624.htm for Evitt, 1963; Late Cretaceous.
Ataxiodinium ERROR bib1591.htm for Reid, 1974; Holocene.
?Avellodinium ERROR bib526.htm for Duxbury, 1977; Cretaceous (Berriasian-Barremian).
Bitectatodinium ERROR bib2053.htm for Wilson, 1973; Mid Pleistocene.
?Cannosphaeropsis ERROR bib1998.htm for O. Wetzel, 1933b; Cretaceous (Senonian).
?Catastomocystis ERROR bib1767.htm for C. Singh, 1983; Cretaceous (Cenomanian).
Chaenosphaerula ERROR bib344.htm for Damassa, 1997; Late Oligocene.
Corrudinium ERROR bib1835.htm for Stover and Evitt, 1978; Oligocene.
Dalella ERROR bib1343.htm for McMinn and Sun Xuekun, 1994; Holocene.
Daveya ERROR bib1382.htm for Monteil, 1996; Cretaceous (Ryazanian).
?Ectosphaeropsis ERROR bib1233.htm for Londeix and Jan du Chêne, 1988; Miocene (Burdigalean).
Edwardsiella Versteegh and Zevenboom in ERROR bib1942.htm for Versteegh, 1995; Oligocene-Pliocene (Chattian-Piacenzian).
Evittosphaerula ERROR bib1257.htm for Manum, 1979; Mid Oligocene-Early Miocene.
Exiguisphaera ERROR bib527.htm for Duxbury, 1979a; Cretaceous (Hauterivian).
Flandrecysta ERROR bib1774.htm for Slimani, 1994; Cretaceous (Campanian-Maastrichtian).
Hafniasphaera ERROR bib798.htm for Hansen, 1977; Paleocene (Danian).
Hystrichosphaeropsis ERROR bib388.htm for Deflandre, 1935; Cretaceous (Senonian).
?Hystrichostrogylon ERROR bib9.htm for Agelopoulos, 1964; Late Eocene.
Impagidinium ERROR bib1835.htm for Stover and Evitt, 1978; Late Eocene.
Nematosphaeropsis ERROR bib421.htm for Deflandre and Cookson, 1955; Holocene.
?Okerisphaeridium ERROR bib1125.htm for Kunz, 1990; Jurassic (Oxfordian)
Pentadinium ERROR bib716.htm for Gerlach, 1961; Mid Oligocene-Mid Miocene.
Piccoladinium Versteegh and Zevenboom in ERROR bib1942.htm for Versteegh, 1995; Oligocene-Pliocene (Chattian-Piacenzian).
Prionodinium ERROR bib1143.htm for Leffingwell and Morgan, 1977; Cretaceous (Neocomian).
Psaligonyaulax ERROR bib1657.htm for Sarjeant, 1966b; Cretaceous (Cenomanian).
Pterodinium ERROR bib574.htm for Eisenack, 1958a; Cretaceous (Aptian).
Rottnestia ERROR bib295.htm for Cookson and Eisenack, 1961b; Early Oligocene.
Seriliodinium ERROR bib534.htm for Eaton, 1996; Pliocene-Pleistocene.
Spiniferites ERROR bib1253.htm for Mantell, 1850; Late Cretaceous.
Tectatodinium ERROR bib1968.htm for Wall, 1967; Miocene-Holocene.
Trabeculidium ERROR bib529.htm for Duxbury, 1980; Cretaceous (Barremian).
?Triblastula ERROR bib1998.htm for O. Wetzel, 1933b; Late Cretaceous.
Tubotuberella ERROR bib1961.htm for Vozzhennikova, 1967; Late Jurassic.
Turnhosphaera ERROR bib1774.htm for Slimani, 1994; Cretaceous (Santonian).
Unipontidinium ERROR bib2077.htm for Wrenn, 1988; Mid Miocene.
Wilsonisphaera ERROR bib1774.htm for Slimani, 1994; Cretaceous (Senonian).
Wrevittia ERROR bib881.htm for Helenes and Lucas-Clark, 1997; Cretaceous (Neocomian-Aptian).
Other names: |
Parent: Family Gonyaulacaceae