Anoplosyllis Claparède, 1868 (original description)
Arenicola grubii Claparède, 1868 accepted as Arenicolides branchialis (Audouin & Milne Edwards, 1833) (original description)
Aricia foetida Claparède, 1868 accepted as Phylo foetida (Claparède, 1868) (original description)
Autolytus hesperidium Claparède, 1868 accepted as Myrianida hesperidium (Claparède, 1868) (original description)
Axiothea constricta Claparède, 1868 accepted as Axiothella constricta (Claparède, 1868) (original description)
Branchiomma koellikeri Claparède, 1868 accepted as Acromegalomma lanigerum (Grube, 1846) (original description)
Branchiomma vesiculosum neapolitana Claparède, 1868 accepted as Acromegalomma lanigerum (Grube, 1846) (original description)
Cirratulus blainvillei [auct. misspelling for 'blainvillii'] accepted as Cirratulus cirratus (O. F. Müller, 1776) (basis of record)
Cirratulus chrysoderma Claparède, 1868 accepted as Protocirrineris chrysoderma (Claparède, 1868) (original description)
Dialychone Claparède, 1868 (original description)
Dialychone acustica Claparède, 1868 (original description)
Eulalia (Pterocirrus) Claparède, 1868 accepted as Pterocirrus Claparède, 1868 (original description)
Monocolea Costa, 1862 accepted as Malmgrenia McIntosh, 1874 (source of synonymy)
Monocolea tessellata (Costa, 1862) accepted as Malmgrenia lunulata (Delle Chiaje, 1830) (source of synonymy)
Nerine auriseta Claparède, 1868 (original description)
Onuphis pancerii Claparède, 1868 (original description)
Polycirrus caliendrum Claparède, 1868 (original description)
Polydora agassizii Claparède, 1868 accepted as Polydora ciliata (Johnston, 1838) (original description)
Polydora antennata Claparède, 1868 accepted as Pseudopolydora antennata (Claparède, 1868) (original description)
Polydora hoplura Claparède, 1868 (original description)
Polynoe tessellata Costa, 1862 accepted as Malmgrenia lunulata (Delle Chiaje, 1830) (source of synonymy)
Rhynchobolus Claparède, 1868 accepted as Glycera Lamarck, 1818 (original description)
Rhynchobolus convolutus (Keferstein, 1862) accepted as Glycera tridactyla Schmarda, 1861 (new combination reference)
Rhynchobolus meckelii (Audouin & Milne Edwards, 1833) accepted as Glycera unicornis Lamarck, 1818 (new combination reference)
Rhynchobolus siphonostoma (Delle Chiaje, 1827) accepted as Glycera siphonostoma (Delle Chiaje, 1827) (new combination reference)
Spio fuliginosus Claparède, 1868 accepted as Malacoceros fuliginosus (Claparède, 1868) (original description)
Stylarioides monilifer [auct. misspelling for 'moniliferus'] accepted as Stylarioides moniliferus Delle Chiaje, 1841 (basis of record)

 Etymology

 for Dialychone Claparède, 1868

Not stated, but genus is stated to be very near to Chone Kröyer, so perhaps a construction from Greek 'dia' ... [details]

 Spelling

 for Branchiomma koellikeri Claparède, 1868

The original spelling of Claparède was as Branchiomma köllikeri (also was in capitals) [details]

 Spelling

 for Sigalion squamatum [auct misspelling of squamosum]

Claparède introduces a misspelling as 'squamatum' and he references the wrong plate in delle Chiaje. It should be ... [details]

 Synonymy

 for Monocolea Costa, 1862

Despite the apparent unique single first elytron of Polynoe tessellata, leading to the creation of genus Monocolea, ... [details]

 Synonymy

 for Monocolea tessellata (Costa, 1862)

Claparède (1868) wrote: "Such an implausible conformation would have deserved special study ... I can not help but ... [details]

 Synonymy

 for Polynoe tessellata Costa, 1862

Despite the apparent unique single first elytron of Polynoe tessellata, leading to the creation of genus Monocolea, ... [details]

 Taxonomy

 for Rhynchobolus Claparède, 1868

The Hartman Catalogue entry for Rhychobolus correctly gives the author as Claparède, as does Fauchald in the 'pink ... [details]

 Taxonomy

 for Rhynchobolus meckelii (Audouin & Milne Edwards, 1833)

Claparède (1868: 189 (499)) gives this name as a new combination in a heading, followed by the original ... [details]