• Echinops Amyot, 1847 (unaccepted) [Family: Hemiptera (awaiting allocation)]
• Echinops Linnaeus, 1753 [Family: Asteraceae]
• Echinops Martin, 1838 [Family: Tenrecidae]
• Echinops Pomel, 1848 (uncertain) [Family: Mammalia (awaiting allocation)]
• Echinops commutatus Juratzka accepted as Echinops exaltatus Schrad.
• Echinops exaltatus Schrad.
• Echinops fruticosa Linnaeus accepted as Rolandra fruticosa (L.) Kuntze
• Echinops fruticosus Linnaeus accepted as Rolandra fruticosa (L.) Kuntze
• Echinops rito Linnaeus
• Echinops ritro Linnaeus
• Echinops ruthenicus Bieb. accepted as Echinops rito Linnaeus
• Echinops sphaerocephalus Linnaeus
• Echinops telfairi Martin, 1838
• Echinopsalis Bormans, 1893 (uncertain)
• Echinopsilon Moquin-Tandon, 1834 accepted as Bassia Allioni, 1766
• Echinopsilon hyssopifolius (Pallas) Moq. accepted as Bassia hyssopifolia (Pallas) Kuntz
• Echinopsis Fan & Chen, 1996 [Family: Xenocaligonellididae]
• Echinopsis L. Agassiz, 1840 † [Family: Glyphocyphidae]
• Echinopsis Zuccarini, 1837 [Family: Cactaceae]
• Echinopsis elegans Desmoulins, 1837 †
• Echinopsis fukiensis Fan & Chen, 1996
• Echinopsocus Enderlein, 1903
• Echinopsocus grayi Smithers, 1984
• Echinopsole Macnae, 1954
• Echinopsole breviceratae Burn, 1962
• Echinopsolus Gutt, 1990
• Echinopsolus acanthocola Gutt, 1990
• Echinopsolus parvipes Massin, 1992
• Echinopsyllus G.O. Sars, 1909
• Echinopsyllus brasiliensis Wandeness, George & Santos, 2009
• Echinopsyllus gorbunovi Smirnov, 1946 accepted as Ceratonotus gorbunovi (Smirnov, 1946) accepted as Polyascophorus gorbunovi (Smirnov, 1946)
• Echinopsyllus grohmannae Wandeness, George & Santos, 2009
• Echinopsyllus nogueirae Wandeness, George & Santos, 2009
• Echinopsyllus normani G.O. Sars, 1909