Alveopora rudis Reuss, 1864 † (additional source)
Astrea crenulata Goldfuss, 1826 † accepted as Siderastrea crenulata (Golffuss, 1826) † (basis of record)
Astrea fulcherrima Michelotti, 1861 † (original description)
Astrea rocheltina Michelin, 1842 † accepted as Echinopora rochetteana (Michelin, 1842) † (basis of record)
Ceratocyathus ambiguus Michelotti, 1861 † accepted as Caryophyllia ambiguus (Michelotti, 1861) † (original description)
Cladangia hybrida Michelotti, 1861 † (original description)
Cyathoseris hypocrateriformis Michelotti, 1861 † (original description)
Cyathoseris patula Michelotti, 1861 † (original description)
Cyathoseris radiata Michelotti, 1861 † (original description)
Dasyphyllia conferta Michelotti, 1861 † accepted as Thecosmilia conferta (Michelotti, 1861) † (original description)
Dasyphyllia erectiuscula Michelotti, 1861 † accepted as Caulastraea erectiuscula (Michelotti, 1861) † (original description)
Dasyphyllia miocenica Michelotti, 1861 † accepted as Caulastraea miocenica (Michelotti, 1861) † (original description)
Dasyphyllia taurinensis Milne Edwards & Haime, 1848 † accepted as Caulastraea taurinensis (Milne Edwards & Haime, 1848) † (additional source)
Euphyllia contorta (Michellin, 1842) † (new combination reference)
Euphyllia laevis Michelotti, 1861 † (original description)
Favia pulcherrima Michelotti, 1861 † (original description)
Flabellum deperditum Michelotti, 1861 † (original description)
Flabellum dissitum Michelotti, 1861 † (original description)
Heliastrea acropora (Linnaeus, 1767) accepted as Orbicella annularis (Ellis & Solander, 1786) (additional source)
Heliastrea ellisiana (Defrance, 1826) † accepted as Tarbellastraea ellisiana (Defrance, 1826) † (basis of record)
Heliastrea guettardi (Defrance, 1826) † accepted as Echinopora guettardi (Defrance, 1826) † (basis of record)
Heliastrea rocheltina (Michelin, 1842) † accepted as Echinopora rochetteana (Michelin, 1842) † (basis of record)
Latimeandra bertrandi Haime, 1852 † accepted as Latomeandra bertrandi (Haime, 1852) † (additional source)
Latimeandra gastaldi Haime, 1852 † accepted as Latomeandra gastaldi (Haime, 1852) † (basis of record)
Latimeandra michelottii Haime, 1852 † accepted as Latomeandra michelottii (Haime, 1852) † (basis of record)
Latimeandra repanda Michelotti, 1861 † accepted as Latomeandra repanda (Michelotti, 1861) † (original description)
Litharaea pulvinata Michelotti, 1861 † accepted as Goniopora pulvinata (Michelotti, 1861) † (original description)
Montipora sepulta Michelotti, 1861 † (original description)
Montlivaultia carcarensis (Michelotti, 1847) † accepted as Montlivaltia carcarensis (Michelotti, 1847) † (new combination reference)
Mycedium hypocrateriformis Michelotti, 1861 † accepted as Mycetoseris hypocrateriformis (Michelotti, 1861) † (original description)
Mycetophyllia repanda Michelotti, 1861 † (original description)
Oroseris deperdita Michelotti, 1861 † accepted as Comoseris deperdita (Michelotti, 1861) † (original description)
Phyllocoenia deperdita Michelotti, 1861 † accepted as Montastraea deperdita (Michelotti, 1861) † (original description)
Plesiophyllia mutata Michelotti, 1861 † accepted as Favites mutata (Michelotti, 1861) † (original description)
Plesiophyllia radiata Michelotti, 1861 † accepted as Favites radiata (Michelotti, 1861) † (original description)
Pleurocora plexa Michelotti, 1861 † (original description)
Prionastrea diversiformis (Michelin, 1842) † accepted as Diploastrea diversiformis (Michelin, 1842) † (additional source)
Septastraea laxelamellata Michelotti, 1861 † accepted as Septastrea laxelamellata Michelotti, 1861 † (original description)
Stylocoenia clinactinia Michelotti, 1861 † accepted as Stephanocoenia clinactinia (Michelotti, 1861) † (original description)
Stylophora deperdita Michelotti, 1861 † accepted as Astrhelia deperdita (Michelotti, 1861) † (original description)
Stylophora oligastra Michelotti, 1861 † (original description)
Thamnastrea patula Michelotti, 1861 † accepted as Thamnasteria patula (Michelotti, 1861) † (original description)
Thamnastrea volvox Michelotti, 1861 † accepted as Thamnasteria volvox (Michelotti, 1861) † (original description)
Trochocyathus elegans Michelotti, 1861 † accepted as Caryophyllia elegans (Michelotti, 1861) † (original description)
Trochocyathus exaratus Michelotti, 1861 † accepted as Caryophyllia exarata (Michelotti, 1861) † (original description)
Trochoseris cornucopia Michelotti, 1861 † (original description)
Trochoseris miocenica Michelotti, 1861 † (original description)
Trochoseris venusta Michelotti, 1861 † (original description)
Trymohelia solida Michelotti, 1861 † (original description)
Turbinaria globosa Michelotti & Meneghini, 1861 † (original description)

 Homonymy

 for Ceratocyathus elegans Seguenza, 1863 †

Junjior secondary homonym of Ceratocyathus elegans (Michelotti, 1861) [details]

 Homonymy

 for Trochocyathus affinis Stoliczka, 1873 †

Junior homonym of Trochocyathus affinis Reuss, 1872 [details]

 Nomenclature

 for Cladangia hybrida Michelotti, 1861 †

Based on a mansucript name of Meneghini  [details]

 Nomenclature

 for Litharaea pulvinata Michelotti, 1861 †

Based on a mansucript name of Meneghini. [details]

 Type locality

 for Mactra cyrenoides Michelotti, 1861 †

"Cosseria, Dego" (Ligura, Italy) [details]

 Type locality

 for Planorbis lignitarum Michelotti, 1861 †

Bagnasco, Cuneo, and Cadibona, Savona, Italy; Chattian, late Oligocene [details]