Acanthocinus Dejean, 1821 accepted as Acanthocinus Guérin-Méneville, 1826 (original description)
Accanthopus Dejean, 1821 (original description)
Achrus Dejean, 1821 accepted as Lixus Fabricius, 1801 (original description)
Acinopus Dejean, 1821 (original description)
Acorynus Dejean, 1821 accepted as Mesocordylus Lacordaire, 1866 (original description)
Adesmus Dejean, 1821 accepted as Adesmus Lepeletier & Audinet-Serville in Latreille, 1825 (original description)
Adrius Dejean, 1821 accepted as Omias Germar, 1817 (original description)
Aessus Dejean (?), 1821 (original description)
Ameris Dejean, 1821 (original description)
Anabola Dejean, 1821 accepted as Magdalis Germar, 1817 (original description)
Anisus Dejean, 1821 accepted as Bronchus Germar, 1817 (original description)
Anoplus Dejean, 1821 accepted as Anoplus Schönherr, 1826 (original description)
Antherophagus Dejean, 1821 accepted as Antherophagus Latreille in Cuvier, 1829 (original description)
Antiodontalgicus Dejean, 1821 (original description)
Aplastus Dejean, 1821 accepted as Omias Germar, 1817 (original description)
Aplopus Dejean, 1821 accepted as Grypus Germar, 1817 (original description)
Apomecyna Dejean, 1821 accepted as Apomecyna Audinet-Serville, 1835 (original description)
Aracnipus Dejean, 1821 accepted as Cryptorhynchus Illiger, 1807 (original description)
Archarias Dejean, 1821 accepted as Cholus Germar, 1824 (original description)
Argutor Dejean, 1821 accepted as Pterostichus Bonelli, 1810 (original description)
Arpidiphorus Ziegler in Dejean, 1821 accepted as Aspidophorus Ziegler in Dejean, 1821 (original description)
Aspidophorus Ziegler in Dejean, 1821 (original description)
Badismus Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Biphyllus Dejean, 1821 accepted as Biphyllus Stephens, 1830 (original description)
Blapstinus Dejean, 1821 (original description)
Blemus Dejean, 1821 (original description)
Brachyrhynchus Dejean, 1821 accepted as Otiorhynchus Germar, 1822 (original description)
Brachysoma Dejean, 1821 accepted as Brachysoma Schoenherr, 1833 accepted as Sternechus Schönherr, 1826 (original description)
Brius Dejean, 1821 accepted as Tropiphorus Schönherr, 1842 (original description)
Bruchela Dejean, 1821 (original description)
Bryssus Dejean, 1821 accepted as Strophosoma Billberg, 1820 (original description)
Bucephalus Dejean, 1821 (original description)
Bulbifer Dejean, 1821 accepted as Dryophthorus Germar, 1824 (original description)
Cacidula Dejean, 1821 (original description)
Calcar Dejean, 1821 accepted as Hemeralopius Gistl, 1848 accepted as Centorus Mulsant, 1854 (original description)
Callirus Dejean, 1821 accepted as Hylobius Germar, 1817 (original description)
Calydonus Dejean, 1821 accepted as Cleopus Dejean, 1821 (original description)
Camptocerus Dejean, 1821 (original description)
Campylirhynchus Dejean, 1821 (original description)
Cenchroma Dejean, 1821 (original description)
Cerastus Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Certallum Dejean, 1821 (original description)
Chlorolepis Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Chrius Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Chrysoloma Dejean, 1821 accepted as Eusomus Germar, 1824 (original description)
Chrysophora Dejean, 1821 accepted as Chrysophora Lepeletier & Serville, 1825 (original description)
Cillenum Dejean, 1821 accepted as Cillenus Samouelle, 1819 accepted as Bembidion Latreille, 1802 (original description)
Cleonis Dejean, 1821 accepted as Cleonis Mannerheim in Hummel, 1824 (original description)
Cleopus Dejean, 1821 (original description)
Clypeaster Dejean, 1821 accepted as Sacium Leconte, 1852 (original description)
Clytus Dejean, 1821 accepted as Sitona Germar, 1817 (original description)
Colobothea Dejean, 1821 accepted as Colobothea Dejean, 1830 (original description)
Comasinus Dejean, 1821 accepted as Orthochaetes Müller in Germar, 1824 (original description)
Cometus Dejean, 1821 accepted as Omias Germar, 1817 (original description)
Coniferus Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Cophosus Dejean, 1821 accepted as Pterostichus Bonelli, 1810 (original description)
Corcyra Dejean, 1821 accepted as Ellescus Dejean, 1821 (original description)
Cordistes Dejean, 1821 accepted as Calophaena Klug, 1821 (original description)
Corticus Dejean, 1821 accepted as Corticus Latreille in Cuvier, 1829 (original description)
Cosmus Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Cosnania Dejean, 1821 accepted as Colliuris de Geer, 1774 (original description)
Coxelus Dejean, 1821 (original description)
Cryptostoma Dejean, 1821 accepted as Ceratogonys Perty, 1830 (original description)
Cuphorhynchus Dejean, 1821 accepted as Apsis Germar, 1820 (original description)
Cyclocephala Latreille, 1829 (original description)
Cyclopus Dejean, 1821 accepted as Syzygops Schoenherr, 1826 (original description)
Cylidrus Dejean, 1821 accepted as Cylidrus Latreille in Cuvier, 1829 (original description)
Dapsa Dejean, 1821 accepted as Dapsa Latreille in Cuvier, 1829 (original description)
Dascirus Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Decatoma Dejean, 1821 accepted as Hycleus Latreille in Cuvier, 1817 (original description)
Dendarus Dejean, 1821 (original description)
Desmocerus Dejean, 1821 accepted as Desmocerus Audinet-Serville, 1835 (original description)
Dices Dejean, 1821 accepted as Hycleus Latreille in Cuvier, 1817 (original description)
Dima Dejean, 1821 accepted as Dima Charpentier, 1825 (original description)
Diodesma Dejean, 1821 accepted as Diodesma Latreille in Cuvier, 1829 (original description)
Diphucephala Dejean, 1821 accepted as Diphucephala Lepeletier & Serville, 1824 (original description)
Dirus Dejean, 1821 accepted as Lepyrus Germar, 1817 (original description)
Donus Dejean, 1821 accepted as Hypera Germar, 1817 (original description)
Dorcacerus Dejean, 1821 accepted as Dorcacerus Chevrolat in Cuvier, 1829 (original description)
Doydirhynchus Dejean, 1821 (original description)
Drapetes Dejean, 1821 (original description)
Drosillus Dejean, 1821 accepted as Trachyphloeus Germar, 1817 (original description)
Eccoptus Dejean, 1821 accepted as Zygops Schönherr, 1825 (original description)
Elenophorus Dejean, 1821 (original description)
Ellegnus Dejean, 1821 accepted as Lepyrus Germar, 1817 (original description)
Ellescus Dejean, 1821 (original description)
Emblemus Dejean, 1821 accepted as Ellescus Dejean, 1821 (original description)
Ensifer Dejean, 1821 accepted as Ceutorhynchus Germar, 1824 (original description)
Ephradus Dejean, 1821 accepted as Trachyphloeus Germar, 1817 (original description)
Eratus Dejean, 1821 accepted as Cleonis Dejean, 1821 accepted as Cleonis Mannerheim in Hummel, 1824 (original description)
Eriophorus Dejean, 1821 accepted as Tanymecus Germar, 1817 (original description)
Eubeus Dejean, 1821 accepted as Rhyncolus Germar, 1817 (original description)
Eusomatus Dejean, 1821 accepted as Eusomus Germar, 1824 (original description)
Falciger Dejean, 1821 accepted as Ceutorhynchus Germar, 1824 (original description)
Festus Dejean, 1821 accepted as Tropiphorus Schönherr, 1842 (original description)
Gadus Dejean, 1821 accepted as Omias Germar, 1817 (original description)
Gastrodus Dejean, 1821 accepted as Liophloeus Germar, 1817 (original description)
Gematis Dejean, 1821 (original description)
Grammenus Dejean, 1821 accepted as Polydrusus Germar, 1817 (original description)
Hamaticherus Dejean, 1821 accepted as Cerambyx Linnaeus, 1758 (original description)