| Actitis (Genus) Illiger, 1811 | Page: 262. |
| Amblosia (Genus) Illiger, 1815 | Page: 77. |
| Amblotis (Genus) Illiger, 1811 | Page: 77. |
| Aotus (Genus) Illiger, 1811 | Page: 71. |
| Auchenia (Genus) Illiger, 1811 | Page: 103. |
| Balantia (Genus) Illiger, 1811 | Page: 77-78. |
| Bathyergus (Genus) Illiger, 1811 | Page: 86. |
| Bradypus torquatus (Species) Illiger, 1811 | Page: 110. |
| Burhinus (Genus) Illiger, 1811 | Page: 250. |
| Cassicus (Genus) Illiger, 1811 | Page: 214-215. |
| Cathartes (Genus) Illiger, 1811 | Page: 236. |
| Centetes (Genus) Illiger, 1811 | Page: 124. |
| Centropus (Genus) Illiger, 1811 | Page: 205. |
| Cercoleptes (Genus) Illiger, 1811 | Page: 127-128. |
| Chauna (Genus) Illiger, 1811 | Page: 253-254. |
| Chironectes (Genus) Illiger, 1811 | Page: 76. |
| Choloepus (Genus) Illiger, 1811 | Page: 108-109. |
| Coelogenys (Genus) Illiger, 1811 | Page: 92. |
| Colobus (Genus) Illiger, 1811 | Page: 69. |
| Columbidae (Family) Illiger, 1811 | Page: 243. |
| Columbinae (Subfamily) Illiger, 1811 | Page: 243. |
| Condylura (Genus) Illiger, 1811 | Page: 125-126. |
| Corythaix (Genus) Illiger, 1811 | Page: 202. |
| Crypturus (Genus) Illiger, 1811 | Page: 244-245. |
| Cypselus (Genus) Illiger, 1811 | Page: 229-230. |
| Dasyprocta (Genus) Illiger, 1811 | Page: 93. |
| Dicholophus (Genus) Illiger, 1811 | Page: 253. |
| Dysopes (Genus) Illiger, 1811 | Page: 122. |
| Dysporus (Genus) Illiger, 1811 | Page: 279-280. |
| Ereunetes (Genus) Illiger, 1811 | Page: 262. |
| Eudytes (Genus) Illiger, 1811 | Page: 282-283. |
| Eurypyga (Genus) Illiger, 1811 | Page: 257. |
| Falcinellus (Genus) Illiger, 1811 | Page: 260; 296 (index). |
| Georychus (Genus) Illiger, 1811 | Page: 87. |
| Haladroma (Genus) Illiger, 1811 | Page: 274. |
| Halicore (Genus) Illiger, 1811 | Page: 140-141. |
| Halieus (Genus) Illiger, 1811 | Page: 279. |
| Halmaturus (Genus) Illiger, 1811 | Page: 80. |
| Hapale (Genus) Illiger, 1811 | Page: 71-72. |
| Herpertes (Genus) Illiger, 1811 | Page: 135. |
| Herpestes (Genus) Illiger, 1811 | Page: 135. |
| Hylobates (Genus) Illiger, 1811 | Page: 67-68. |
| Hylobates (Subgenus) Illiger, 1811 | Page: 67-68. |
| Hypsiprymnus (Genus) Illiger, 1811 | Page: 79. |
| Hypudaeus (Genus) Illiger, 1811 | Page: 87-88. |
| Lasiopyga (Genus) Illiger, 1811 | Page: 68. |
| Lestris (Genus) Illiger, 1811 | Page: 272-273. |
| Lichanotus (Genus) Illiger, 1811 | Page: 72. |
| Loncheres (Genus) Illiger, 1811 | Page: 90. |
| Megalotis (Genus) Illiger, 1811 | Page: 131. |
| Meriones (Subgenus) Illiger, 1811 | Page: 82. |
| Meriones (Genus) Illiger, 1811 | Page: 82. |
| Mormon (Genus) Illiger, 1811 | Page: 283-284; [Billberg], 1828. Syn. Faunae Scand., 1 (2): 189. |
| Muridae (Family) Illiger, 1811, err. bibl. | Page: 84. |
| Muscipeta (Genus) Illiger, 1811 | Page: 217. |
| Mycetes (Genus) Illiger, 1811 | Page: 70. |
| Myiothera (Genus) Illiger, 1811 | Page: 218. |
| Myothera (Genus) Illiger, 1817 | Page: 218. |
| Nectarinia (Genus) Illiger, 1811 | Page: 210. |
| Opisthocomus (Genus) Illiger, 1811 | Page: 239. |
| Ortygis (Genus) Illiger, 1811 | Page: 242-243. |
| Otolicna (Genus) Illiger, 1815 | Page: 74. |
| Otolicnus (Genus) Illiger, 1811 | Page: 74. |
| Pachyptila (Genus) Illiger, 1811 | Page: 274-275. |
| Pamphractus (Genus) Illiger, 1811 | Page: 115-116. |
| Pedetes (Genus) Illiger, 1811 | Page: 81-82. |
| Pezoporus (Genus) Illiger, 1811 | Page: 201. |
| Pinnipeda (Suborder) Illiger, 1811 | Page: 138. |
| Pinnipedia (Suborder) Illiger, 1811 | Page: 138. |
| Pinnipedia (Order) Illiger, 1811 | Page: 138. |
| Pinnipedia (Infraorder) Illiger, 1811 | Page: 138. |
| Podoa (Genus) Illiger, 1811 | Page: 267. |
| Prionites (Genus) Illiger, 1811 | Page: 224. |
| Procnias (Genus) Illiger, 1811 | Page: 228-229. |
| Psittacidae (Family) Illiger, 1811 | Page: [200]. |
| Psittacinae (Subfamily) Illiger, 1811 | Page: [200]. |
| Psittacini (Tribe) Illiger, 1811 | Page: [200]. |
| Pteroglossus (Genus) Illiger, 1811 | Page: 202. |
| †Rytina (Genus) Illiger, 1811 | Page: 141. |
| Ryzaena (Genus) Illiger, 1811 | Page: 134-135. |
| Saccopteryx (Genus) Illiger, 1811 | Page: 121-122. |
| Scalops (Genus) Illiger, 1811 | Page: 126. |
| Sparactes (Genus) Illiger, 1811 | Page: 219. |
| Strepsilas (Genus) Illiger, 1811, nom. illeg. | Page: 263. |
| Syrrhaptes (Genus) Illiger, 1811 | Page: 243. |
| Tachyglossus (Genus) Illiger, 1811 | Page: 114. |
| Tamias (Genus) Illiger, 1811 | Page: 83. |
| Tamias (Subgenus) Illiger, 1811 | Page: 83. |
| Thylacis (Genus) Illiger, 1811 | Page: 76. |
| Tichodroma (Genus) Illiger, 1811 | Page: 210-211. |
| Tolypeutes (Genus) Illiger, 1811 | Page: 111. |
| Uranodon (Genus) Illiger, 1811 | Page: 143-144. |
| Vulturidae (Family) Illiger, 1811 | Page: 235. |
| Vulturinae (Subfamily) Illiger, 1811 | Page: 235. |
| Xenops (Genus) Illiger, 1811 | Page: 213. |