# Trochactaeon

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***Trochactaeon*** is an extinct [genus](/source/Genus) of [fossil](/source/Fossil) [sea snails](/source/Sea_snail), [marine](/source/Marine_(ocean)) [gastropod](/source/Gastropod) [mollusks](/source/Mollusk) in the family [Acteonellidae](/source/Acteonellidae). The genus was named in 1863.[1]

The genus *Trochactaeon* is known from the [Early](/source/Early_Cretaceous) to the [Late Cretaceous](/source/Late_Cretaceous) epochs.[2]

## Species

Species in the genus *Trochactaeon* include:[3]

- *[Trochactaeon abbreviatus](/source/Trochactaeon_abbreviatus)* (Conrad, 1852)
- *[Trochactaeon absalonis](/source/Trochactaeon_absalonis)* (Fraas, 1867)
- *[Trochactaeon acuminatus](/source/Trochactaeon_acuminatus)* (Frič, 1897)
- *[Trochactaeon alibeglyensis](/source/Trochactaeon_alibeglyensis)* Pchelintsev, 1954
- *[Trochactaeon angustatus](/source/Trochactaeon_angustatus)* Pchelintsev, 1953
- *[Trochactaeon armenicus](/source/Trochactaeon_armenicus)* Pchelintsev, 1954
- *[Trochactaeon arnaudi](/source/Trochactaeon_arnaudi)* (Cossmann, 1895)
- *[Trochactaeon artsachensis](/source/Trochactaeon_artsachensis)* (Hacobjan, 1976)
- *[Trochactaeon atschadjurensis](/source/Trochactaeon_atschadjurensis)* Pchelintsev, 1954
- *[Trochactaeon babkovi](/source/Trochactaeon_babkovi)* Djalilov, 1972
- *[Trochactaeon baconicus](/source/Trochactaeon_baconicus)* Benkő-Czabalay, 1962
- *[Trochactaeon belgicus](/source/Trochactaeon_belgicus)* (Cossmann, 1895)
- *[Trochactaeon beyrichii](/source/Trochactaeon_beyrichii)* (Drescher, 1863)
- *[Trochactaeon biconicus](/source/Trochactaeon_biconicus)* Pchelintsev, 1954
- *[Trochactaeon boutillieri](/source/Trochactaeon_boutillieri)* (Cossmann, 1895)
- *[Trochactaeon briarti](/source/Trochactaeon_briarti)* Geinitz, 1874
- *[Trochactaeon burckhardti](/source/Trochactaeon_burckhardti)* (Böse, 1923)
- *[Trochactaeon caucasicus](/source/Trochactaeon_caucasicus)* Pchelintsev, 1953
- *[Trochactaeon choffati](/source/Trochactaeon_choffati)* Pchelintsev, 1954
- *[Trochactaeon collignoni](/source/Trochactaeon_collignoni)* (Dartevelle & Brébion, 1956)
- *[Trochactaeon communis](/source/Trochactaeon_communis)* Pchelintsev, 1954
- *[Trochactaeon conicus](/source/Trochactaeon_conicus)* (Münster, 1844) - late Cretaceous
- *[Trochactaeon coniformis](/source/Trochactaeon_coniformis)* (Böse, 1906)
- *[Trochactaeon conoideus](/source/Trochactaeon_conoideus)* (Matheron, 1843)
- *[Trochactaeon cordeiroi](/source/Trochactaeon_cordeiroi)* (Choffat, 1888)
- *[Trochactaeon cretaceus](/source/Trochactaeon_cretaceus)* (J. Müller, 1851)
- *[Trochactaeon crisminensis](/source/Trochactaeon_crisminensis)* Choffat, 1901[4]
- *[Trochactaeon cumminsi](/source/Trochactaeon_cumminsi)* Stanton, 1947
- *[Trochactaeon cycloideus](/source/Trochactaeon_cycloideus)* Pchelintsev, 1954
- *[Trochactaeon cylindraceus](/source/Trochactaeon_cylindraceus)* Stoliczka, 1868
- *[Trochactaeon cylindricus](/source/Trochactaeon_cylindricus)* Pchelintsev, 1928
- *[Trochactaeon dalidagensis](/source/Trochactaeon_dalidagensis)* Pchelintsev, 1954
- *[Trochactaeon damesi](/source/Trochactaeon_damesi)* (Futterer, 1892)
- *[Trochactaeon darwasensis](/source/Trochactaeon_darwasensis)* Djalilov, 1964
- *[Trochactaeon dolioliformis](/source/Trochactaeon_dolioliformis)* Pchelintsev, 1953
- *[Trochactaeon dubertreti](/source/Trochactaeon_dubertreti)* (Delpey, 1940)
- *[Trochactaeon ellipticus](/source/Trochactaeon_ellipticus)* (Zekeli, 1852)
- *[Trochactaeon excelsus](/source/Trochactaeon_excelsus)* Pchelintsev, 1954
- *[Trochactaeon frazierensis](/source/Trochactaeon_frazierensis)* (F. M. Anderson, 1958)
- *[Trochactaeon galloprovincialis](/source/Trochactaeon_galloprovincialis)* Cossmann, 1896
- *[Trochactaeon ghazirensis](/source/Trochactaeon_ghazirensis)* (Delpey, 1940)
- *[Trochactaeon giganteus](/source/Trochactaeon_giganteus)* (J. De C. Sowerby, 1832)
- *[Trochactaeon glandiformis](/source/Trochactaeon_glandiformis)* (Zekeli, 1852)
- *[Trochactaeon goldfussi](/source/Trochactaeon_goldfussi)* (A. d'Orbigny, 1850)
- *[Trochactaeon gosaviensis](/source/Trochactaeon_gosaviensis)* Kollmann, 1967
- *[Trochactaeon gracilis](/source/Trochactaeon_gracilis)* Pchelintsev, 1954
- *[Trochactaeon gradatus](/source/Trochactaeon_gradatus)* Kollmann, 1967
- *[Trochactaeon granthamensis](/source/Trochactaeon_granthamensis)* Sohl & Kollmann, 1985
- *[Trochactaeon gulistanensis](/source/Trochactaeon_gulistanensis)* Pchelintsev, 1954
- *[Trochactaeon humei](/source/Trochactaeon_humei)* (Greco, 1916)
- *[Trochactaeon idjevanensis](/source/Trochactaeon_idjevanensis)* (Hacobjan, 1976)
- *[Trochactaeon intermedius](/source/Trochactaeon_intermedius)* Choffat, 1901
- *[Trochactaeon kuehni](/source/Trochactaeon_kuehni)* Kollmann, 1967
- *[Trochactaeon lamarcki](/source/Trochactaeon_lamarcki)* (J. De C. Sowerby, 1835)
- *[Trochactaeon laticostata](/source/Trochactaeon_laticostata)* (Hacobjan, 1972)
- *[Trochactaeon latus](/source/Trochactaeon_latus)* Pchelintsev, 1954
- *[Trochactaeon longisulcus](/source/Trochactaeon_longisulcus)* (Hacobjan, 1976)
- *[Trochactaeon mammilatus](/source/Trochactaeon_mammilatus)* (Hacobjan, 1976)
- *[Trochactaeon matensis](/source/Trochactaeon_matensis)* (Fittipaldi, 1901)
- *[Trochactaeon melonensis](/source/Trochactaeon_melonensis)* Sohl & Kollmann, 1985
- *[Trochactaeon minutus](/source/Trochactaeon_minutus)* Stoliczka, 1868
- *[Trochactaeon mirabilis](/source/Trochactaeon_mirabilis)* Pchelintsev, 1954
- *[Trochactaeon nelsoni](/source/Trochactaeon_nelsoni)* Sohl & Kollmann, 1985
- *[Trochactaeon obesus](/source/Trochactaeon_obesus)* Pchelintsev, 1954
- *[Trochactaeon obtusus](/source/Trochactaeon_obtusus)* (Zekeli, 1852)
- *[Trochactaeon oliviformis](/source/Trochactaeon_oliviformis)* (Coquand, 1865)
- *[Trochactaeon ornatus](/source/Trochactaeon_ornatus)* Pchelintsev, 1953
- *[Trochactaeon ouremensis](/source/Trochactaeon_ouremensis)* Choffat, 1901
- *[Trochactaeon ovalis](/source/Trochactaeon_ovalis)* Pchelintsev, 1953
- *[Trochactaeon packardi](/source/Trochactaeon_packardi)* (F. M. Anderson, 1958)
- *[Trochactaeon palmeri](/source/Trochactaeon_palmeri)* Sohl & Kollmann, 1985
- *[Trochactaeon pamiricum](/source/Trochactaeon_pamiricum)* Pchelintsev, 1960
- *[Trochactaeon parvus](/source/Trochactaeon_parvus)* (Blanckenhorn, 1890)
- *[Trochactaeon patagonicus](/source/Trochactaeon_patagonicus)* (Feruglio, 1936)
- *[Trochactaeon pchelincevi](/source/Trochactaeon_pchelincevi)* (Hacobjan, 1963)
- *[Trochactaeon projectiliformis](/source/Trochactaeon_projectiliformis)* Kollmann, 1967
- *[Trochactaeon punctatus](/source/Trochactaeon_punctatus)* (Maldonado-Koerdell, 1950)
- *[Trochactaeon quadratus](/source/Trochactaeon_quadratus)* Pchelintsev, 1954
- *[Trochactaeon regularis](/source/Trochactaeon_regularis)* Pchelintsev, 1953
- *[Trochactaeon renauxianus](/source/Trochactaeon_renauxianus)* (A. d'Orbigny, 1842)
- *[Trochactaeon rossi](/source/Trochactaeon_rossi)* Sohl & Kollmann, 1985
- *[Trochactaeon sanctaecrucis](/source/Trochactaeon_sanctaecrucis)* (Futterer, 1892)
- *[Trochactaeon scalatus](/source/Trochactaeon_scalatus)* (Schnarrenberger, 1901)
- *[Trochactaeon schiosensis](/source/Trochactaeon_schiosensis)* (G. Böhm, 1895)
- *[Trochactaeon schirabadensis](/source/Trochactaeon_schirabadensis)* Pchelintsev, 1953
- *[Trochactaeon similis](/source/Trochactaeon_similis)* Pchelintsev, 1954
- *[Trochactaeon solidus](/source/Trochactaeon_solidus)* Pchelintsev, 1954
- *[Trochactaeon speciosus](/source/Trochactaeon_speciosus)* Pchelintsev, 1954
- *[Trochactaeon subpruniformis](/source/Trochactaeon_subpruniformis)* Pchelintsev, 1954
- *[Trochactaeon subrenauxi](/source/Trochactaeon_subrenauxi)* Pchelintsev, 1928
- *[Trochactaeon szontaghi](/source/Trochactaeon_szontaghi)* (Todiriță-Mihăilescu, 1966)
- *[Trochactaeon teaensis](/source/Trochactaeon_teaensis)* Sohl & Kollmann, 1985
- *[Trochactaeon truncatus](/source/Trochactaeon_truncatus)* Stoliczka, 1868
- *[Trochactaeon tuberculatus](/source/Trochactaeon_tuberculatus)* (Hacobjan, 1974)
- *[Trochactaeon tumidus](/source/Trochactaeon_tumidus)* Pchelintsev, 1953
- *[Trochactaeon variospiralis](/source/Trochactaeon_variospiralis)* (Hacobjan, 1976)
- *[Trochactaeon vasmikuchensis](/source/Trochactaeon_vasmikuchensis)* Djalilov, 1964
- *[Trochactaeon vediensis](/source/Trochactaeon_vediensis)* (Hacobjan, 1963)
- *[Trochactaeon ventricosus](/source/Trochactaeon_ventricosus)* Hojnos, 1921
- *[Trochactaeon woodsi](/source/Trochactaeon_woodsi)* (Rennie, 1930)
- *[Trochactaeon wrighti](/source/Trochactaeon_wrighti)* Sohl & Kollmann, 1985
- *[Trochactaeon zekelii](/source/Trochactaeon_zekelii)* Pchelintsev, 1954

## References

1. Meek (1863). *[Amer. J. Sci.](/source/Amer._J._Sci.)* (3): 35, 87, 89.

1. (in Czech) Ivanov M., Hrdličková S. & Gregorová R. (2001). *Encyklopedie zkamenělin*. Rebo Productions, Dobřejovice, 1. vydání, 312 pp., page 124.

1. [*PART I. PALEOZOIC AND MESOZOIC GASTROPODA*](http://www.um.u-tokyo.ac.jp/publish_db/Bulletin/no13/no13008.html)

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