Achatina floccosa Spix, 1827 accepted as Plekocheilus floccosus (Spix, 1827) (original description)
Achatina melanostoma Spix, 1827 accepted as Achatina melastoma Swainson, 1823 accepted as Corona regina (Bowdich, 1822) (original description)
Achatina perversa Spix, 1827 (original description)
Achatina pulchella Spix, 1827 accepted as Orthalicus pulchellus (Spix, 1827) (original description)
Ampullaria archimedes Spix, 1827 accepted as Pomacea zonata archimedes (Spix, 1827) (original description)
Ampullaria cyclostoma Spix, 1827 accepted as Asolene platae (Maton, 1811) (original description)
Ampullaria figulina Spix, 1827 accepted as Pomacea canaliculata (Lamarck, 1822) (original description)
Ampullaria gigas Spix, 1827 accepted as Pomacea maculata Perry, 1810 (original description)
Ampullaria olivacea Spix, 1827 (original description)
Ampullaria papyracea Spix, 1827 accepted as Pomacea papyracea Spix, 1827 (original description)
Ampullaria quercina Spix, 1827 accepted as Pomacea quercina (Spix, 1827) (original description)
Ampullaria rosea Spix, 1827 accepted as Megalobulimus oblongus (O. F. Müller, 1774) (original description)
Ampullaria zonata Spix, 1827 accepted as Pomacea zonata (Spix, 1827) (original description)
Anodon anserinus Spix, 1827 accepted as Anodontites trapesialis (Lamarck, 1819) (original description)
Anodon ensiformis Spix, 1827 accepted as Lamproscapha ensiformis (Spix, 1827) (original description)
Anodon giganteum Spix, 1827 accepted as Anodontites patagonica (Lamarck, 1819) (original description)
Anodon longinus Spix, 1827 accepted as Mycetopoda siliquosa (Spix, 1827) (original description)
Anodon obtusus Spix, 1827 accepted as Anodontites obtusa (Spix, 1827) (original description)
Anodon obtusus var. lituratum Spix, 1827 accepted as Anodontites obtusa (Spix, 1827) (original description)
Anodon rotundus Spix, 1827 (original description)
Anodon siliquosus Spix, 1827 accepted as Mycetopoda siliquosa (Spix, 1827) (original description)
Anodon trapezeus Spix, 1827 accepted as Anodontites trapezea (Spix, 1827) (original description)
Anodon trigonus Spix, 1827 accepted as Anodontites trigona (Spix, 1827) (original description)
Auris Spix, 1827 (original description)
Auris signata Spix, 1827 accepted as Otostomus signatus (Spix, 1827) (original description)
Aylacostoma Spix, 1827 (original description)
Aylacostoma glabrum Spix, 1827 (original description)
Aylacostoma tuberculatum Spix, 1827 accepted as Longiverena tuberculata (Spix, 1827) (original description)
Bulimus angiostomus J. A. Wagner, 1827 accepted as Anctus angiostomus (J. A. Wagner, 1827) (original description)
Bulimus angulatus J. A. Wagner, 1827 accepted as Moricandia angulata (J. A. Wagner, 1827) (original description)
Bulimus durus Spix, 1827 accepted as Rhinus durus (Spix, 1827) (original description)
Bulimus fragilis Spix, 1827 accepted as Thaumastus hyalinus (J. A. Wagner, 1827) (original description)
Bulimus hyalinus J. A. Wagner, 1827 accepted as Thaumastus hyalinus (J. A. Wagner, 1827) (original description)
Bulimus inflatus Spix, 1827 accepted as Drymaeus magus (J. A. Wagner, 1827) (original description)
Bulimus lineatus Spix, 1827 (original description)
Bulimus lituratus Spix, 1827 (original description)
Bulimus magus J. A. Wagner, 1827 accepted as Drymaeus magus (J. A. Wagner, 1827) (original description)
Bulimus melanostomus J. A. Wagner, 1827 accepted as Bulimus melastomus Swainson, 1820 accepted as Auris melastoma (Swainson, 1820) (original description)
Bulimus perlucidus Spix, 1827 accepted as Leiostracus perlucidus (Spix, 1827) (original description)
Bulimus spixii J. A. Wagner, 1827 accepted as Columna bulimea Spix, 1827 (original description)
Bulimus sylvaticus Spix, 1827 accepted as Obeliscus sylvaticus (Spix, 1827) (original description)
Bulimus terrestris Spix, 1827 accepted as Megalobulimus terrestris (Spix, 1827) (original description)
Bulimus vitreus Spix, 1827 accepted as Leiostracus vitreus (Spix, 1827) (original description)
Bulimus vittatus Spix, 1827 accepted as Leiostracus vittatus (Spix, 1827) (original description)
Clausilia exesa Spix, 1827 accepted as Burringtonia exesa (Spix, 1827) (original description)
Clausilia pupoides Spix, 1827 accepted as Cyclodontina inflata (J. A. Wagner, 1827) (original description)
Clausilia sexdentata Spix, 1827 accepted as Cyclodontina sexdentata (Spix, 1827) (original description)
Columna bulimea Spix, 1827 (original description)
Cyclas bahiensis Spix, 1827 accepted as Eupera bahiensis (Spix, 1827) (original description)
Diplodon Spix, 1827 (original description)
Diplodon ellipticus Spix, 1827 (original description)
Helicina exumbilicata Spix, 1827 accepted as Asolene crassa (Swainson, 1823) (original description)
Helicina pyramidella Spix, 1827 accepted as Oxychona pyramidella (Spix, 1827) (original description)
Helicina variabilis J. A. Wagner, 1827 (original description)
Helix fasciolata Spix, 1827 accepted as Asolene crassa (Swainson, 1823) (original description)
Helix lineata Spix, 1827 accepted as Pomacea lineata (Spix, 1827) accepted as Pomacea linnaei (R. A. Philippi, 1852) (original description)
Helix nana J. A. Wagner, 1827 accepted as Systrophiella pygmea (Spix, 1827) (original description)
Helix navicula J. A. Wagner, 1827 accepted as Cochlorina navicula (J. A. Wagner, 1827) (original description)
Helix punctata J. A. Wagner, 1827 accepted as Solaropsis serpens (Spix, 1827) (original description)
Helix pyramidella (Spix, 1827) accepted as Oxychona pyramidella (Spix, 1827) (original description)
Helix vitrina J. A. Wagner, 1827 accepted as Systrophiella vitrina (J. A. Wagner, 1827) accepted as Systrophiella imperforata (Spix, 1827) (original description)
Limnaeus papyraceus Spix, 1827 accepted as Gonyostomus goniostomus (A. Férussac, 1821) (original description)
Melania scalaris J. A. Wagner, 1827 accepted as Aylacostoma glabrum Spix, 1827 (original description)
Melania tuberculata Spix, 1827 (original description)
Melania tuberculata (Spix, 1827) accepted as Aylacostoma tuberculatum Spix, 1827 accepted as Longiverena tuberculata (Spix, 1827) (basis of record)
Planorbis albescens Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818) (original description)
Planorbis ferrugineus Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818) (original description)
Planorbis nigricans Spix, 1827 accepted as Planorbella nigricans (Spix, 1827) (original description)
Planorbis olivaceus Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818) (original description)
Planorbis viridis Spix, 1827 accepted as Biomphalaria glabrata (Say, 1818) (original description)
Pupa elatior Spix, 1827 accepted as Megaspira elatior (Spix, 1827) (original description)
Pupa inflata J. A. Wagner, 1827 accepted as Cyclodontina inflata (J. A. Wagner, 1827) (original description)
Pupa striata Spix, 1827 accepted as Clessinia striata (Spix, 1827) (original description)
Solarium Spix, 1827 accepted as Solaropsis H. Beck, 1837 (original description)
Solarium candidum Spix, 1827 accepted as Rectartemon candidus (Spix, 1827) (original description)
Solarium imperforatum Spix, 1827 accepted as Systrophiella imperforata (Spix, 1827) (original description)
Solarium pygmeum Spix, 1827 accepted as Systrophiella pygmea (Spix, 1827) (original description)
Solarium serpens Spix, 1827 accepted as Solaropsis serpens (Spix, 1827) (original description)
Stenostoma Spix, 1827 accepted as Anctus E. von Martens, 1860 (original description)
Stenostoma auritum Spix, 1827 (original description)
Stenostoma capueira Spix, 1827 accepted as Anctus angiostomus (J. A. Wagner, 1827) (original description)
Stenostoma puru Spix, 1827 accepted as Moricandia angulata (J. A. Wagner, 1827) (original description)
Strophocheilus Spix, 1827 (original description)
Strophocheilus almeida Spix, 1827 accepted as Strophocheilus pudicus (O. F. Müller, 1774) (original description)
Tetraplodon Spix, 1827 accepted as Castalia Lamarck, 1819 (original description)
Tetraplodon pectinatum Spix, 1827 accepted as Castalia ambigua Lamarck, 1819 (original description)
Tomigerus Spix, 1827 (original description)
Tomigerus clausus Spix, 1827 (original description)
Triplodon Spix, 1827 (original description)
Unio pectinatus (Spix, 1827) accepted as Castalia ambigua Lamarck, 1819 (basis of record)
Unio rhombeus Spix, 1827 accepted as Diplodon rhombeus (Spix, 1827) (original description)
Unio rotundus Spix, 1827 accepted as Diplodon rotundus (Spix, 1827) (original description)

Brazil for Aylacostoma glabrum Spix, 1827 
Brazil for Bulimus hyalinus J. A. Wagner, 1827 
Brazil for Bulimus spixii J. A. Wagner, 1827 
Brazil for Helicina pyramidella Spix, 1827 
Brazil for Helix navicula J. A. Wagner, 1827 
Brazil for Pupa elatior Spix, 1827 
Minas Gerais for Tetraplodon pectinatum Spix, 1827 

 Type locality

 for Achatina floccosa Spix, 1827

"Sylvis provinciarum septemtrionalium" [details]