Anathelges Bonnier, 1900 (original description)
Anathelges resupinatus (Müller, 1871) (new combination reference)
Argeia calmani Bonnier, 1900 accepted as Argeia pugettensis Dana, 1853 (original description)
Asconiscidae Bonnier, 1900 (original description)
Aspidophryxus frontalis Bonnier, 1900 (original description)
Bopyrella Bonnier, 1900 (original description)
Bopyrella alphei Bonnier, 1900 accepted as Probopyria alphei (Richardson, 1900) accepted as Capitetragonia alphei (Richardson, 1900) (original description)
Bopyrella nitescens Bonnier, 1900 (original description)
Bopyrella thomsoni Bonnier, 1900 (original description)
Bopyrina giardi Bonnier, 1900 accepted as Bopyrina ocellata (Czerniavsky, 1868) (original description)
Bopyrina hippolytes Bonnier, 1900 (original description)
Bopyroides sarsi Bonnier, 1900 accepted as Bopyroides hippolytes (Kröyer, 1838) (original description)
Bopyrus rathkei Bonnier, 1900 accepted as Bopyrus squillarum Latreille, 1804 accepted as Bopyrus crangorum (Fabricius, 1798) (basis of record)
Bopyrus rathkei Bonnier, 1900 accepted as Bopyrus squillarum Latreille, 1804 accepted as Bopyrus crangorum (Fabricius, 1798) (original description)
Bopyrus treillianus Bonnier, 1900 accepted as Bopyrus squillarum Latreille, 1804 accepted as Bopyrus crangorum (Fabricius, 1798) (original description)
Cepon naxiae Bonnier, 1900 accepted as Tylokepon naxiae (Bonnier, 1900) (original description)
Crinoniscidae Bonnier, 1900 (original description)
Gigantione bouvieri Bonnier, 1900 (original description)
Hemioniscidae Bonnier, 1900 (original description)
Ione brevicauda Bonnier, 1900 accepted as Ione cornuta Spence Bate, 1863 (original description)
Ione gebiae Bonnier, 1900 accepted as Ione thoracica (Montagu, 1808) (original description)
Ione vicina Bonnier, 1900 accepted as Ione thoracica (Montagu, 1808) (original description)
Ionella Bonnier, 1900 (original description)
Ionella agassizii Bonnier, 1900 (original description)
Liriopsidae Bonnier, 1900 accepted as Cryptoniscidae Kossmann, 1880 (original description)
Orbione Bonnier, 1900 (original description)
Orbione incerta Bonnier, 1900 accepted as Rhopalione incerta (Bonnier, 1900) (original description)
Orbione penei Bonnier, 1900 (original description)
Palaegyge brevipes Bonnier, 1900 accepted as Probopyrus brevipes (Bonnier, 1900) (original description)
Palaegyge incerta Bonnier, 1900 accepted as Probopyrus incertus (Bonnier, 1900) (original description)
Palaegyge weberi Bonnier, 1900 accepted as Probopyrus borrei (Giard & Bonnier, 1888) (original description)
Parathelges Bonnier, 1900 (original description)
Parathelges aniculi (Whitelegge, 1897) (new combination reference)
Phryxus cranchii Bonnier, 1900 accepted as Hemiarthrus cranchii Giard & Bonnier, 1890 (original description)
Phryxus philonika Bonnier, 1900 accepted as Pliophrixus philonika Caroli, 1930 (original description)
Phryxus typtonis Bonnier, 1900 accepted as Hemiarthrus typtonis Giard & Bonnier, 1890 (original description)
Phryxus virbii Bonnier, 1900 (original description)
Pleurocrypta galatheae auct. accepted as Pleurocrypta galateae Hesse, 1865 (redescription)
Pleurocrypta hendersoni Bonnier, 1900 accepted as Pleurocrypta galateae Hesse, 1865 (original description)
Pleurocrypta intermedia Bonnier, 1900 accepted as Pleurocrypta microbranchiata G. O. Sars, 1898 (original description)
Pleurocrypta strigosa Bonnier, 1900 accepted as Pleurocrypta strigosa Bourdon, 1968 (original description)
Pleurocryptella Bonnier, 1900 (original description)
Pleurocryptella formosa Bonnier, 1900 (original description)
Pseudione callianassae Kossmann, 1881 (source of synonymy)
Pseudione dohrni Bonnier, 1900 accepted as Pseudione callianassae Kossmann, 1881 (original description)
Pseudione dubia Bonnier, 1900 accepted as Pseudione hyndmanni (Bate & Westwood, 1867) accepted as Eremitione hyndmanni (Bate & Westwood, 1867) (original description)
Pseudione fraissei Bonnier, 1900 accepted as Bopyrissa fraissei (Carayon, 1943) (original description)
Pseudione hoylei Bonnier, 1900 accepted as Pseudione affinis (G. O. Sars, 1883) accepted as Cryptione affinis (G. O. Sars, 1882) (original description)
Pseudione insignis Bonnier, 1900 accepted as Pseudione crenulata G. O. Sars, 1898 (original description)
Pseudione proxima Bonnier, 1900 accepted as Pseudione hyndmanni (Bate & Westwood, 1867) accepted as Eremitione hyndmanni (Bate & Westwood, 1867) (original description)
Trapezicepon Bonnier, 1900 (original description)
Trapezicepon amicorum (Giard & Bonnier, 1888) (new combination reference)

British Columbia for Ione brevicauda Bonnier, 1900 
Cape Cod for Bopyroides sarsi Bonnier, 1900 
Clyde Sea for Pleurocrypta hendersoni Bonnier, 1900 
Clyde Sea for Pleurocrypta intermedia Bonnier, 1900 
Clyde Sea for Pseudione hoylei Bonnier, 1900 
Flores Island [Lesser Sunda Islands] for Palaegyge brevipes Bonnier, 1900 
Flores Island [Lesser Sunda Islands] for Palaegyge incerta Bonnier, 1900 
Flores Island [Lesser Sunda Islands] for Palaegyge weberi Bonnier, 1900 
France for Pleurocrypta intermedia Bonnier, 1900 
Gulf of Naples (Italy) for Ione gebiae Bonnier, 1900 
Hong Kong for Cepon naxiae Bonnier, 1900 
Madagascar for Orbione incerta Bonnier, 1900 
Norwegian Exclusive Economic Zone for Pleurocrypta intermedia Bonnier, 1900 
Norwegian Exclusive Economic Zone for Pseudione dubia Bonnier, 1900 
Norwegian Exclusive Economic Zone for Pseudione proxima Bonnier, 1900 
Romsdalsfjord for Pseudione insignis Bonnier, 1900 
San Francisco Bay for Ione brevicauda Bonnier, 1900 
Tongan Exclusive Economic Zone for Bopyrella thomsoni Bonnier, 1900 
Wimereux for Bopyrina giardi Bonnier, 1900