Chaetacanthus Seidler, 1922 (redescription)
Chaetacanthus magnificus (Grube, 1876) (redescription)
Drieschia elegans Seidler, 1924 (original description)
Euphione tenuisetosa Gravier, 1902 accepted as Lepidonotus tenuisetosus (Gravier, 1902) (additional source)
Halosydna interrupta Marenzeller, 1902 accepted as Lepidasthenia interrupta (Marenzeller, 1902) (source of synonymy)
Halosydna marginata (Grube, 1856) (basis of record)
Halosydna nebulosa (Grube, 1866) (source of synonymy)
Iphione magnifica Grube, 1876 accepted as Chaetacanthus magnificus (Grube, 1876) (source of synonymy)
Lepidasthenia fallax (Grube, 1878) (basis of record)
Lepidasthenia interrupta (Marenzeller, 1902) (additional source)
Lepidasthenia sibogae Horst, 1913 accepted as Perolepis regularis Ehlers, 1908 (source of synonymy)
Lepidonotus Leach, 1816 (identification resource)
Lepidonotus (Physalidonotus) barbatus Augener, 1910 accepted as Chaetacanthus magnificus (Grube, 1876) (source of synonymy)
Lepidonotus aeololepis Haswell, 1883 accepted as Augenerilepidonotus dictyolepis (Haswell, 1883) (additional source)
Lepidonotus austera (Grube, 1878) (additional source)
Lepidonotus australiensis Seidler, 1924 accepted as Lepidonotus impatiens (Savigny in Lamarck, 1818) (original description)
Lepidonotus brasiliensis (Quatrefages, 1866) (new combination reference)
Lepidonotus castriensis Seidler, 1924 accepted as Lepidonotus caelorus Moore, 1903 (original description)
Lepidonotus citrifrons Augener, 1906 (additional source)
Lepidonotus clava (Montagu, 1808) (additional source)
Lepidonotus contaminatus (Grube, 1876) (new combination reference)
Lepidonotus cristatus echinatus Potts, 1910 accepted as Lepidonotus oculatus echinatus Potts, 1910 (source of synonymy)
Lepidonotus cryptocephalus (Grube, 1878) (additional source)
Lepidonotus dictyolepis Haswell, 1883 accepted as Augenerilepidonotus dictyolepis (Haswell, 1883) (additional source)
Lepidonotus dofleini Frickhinger, 1916 accepted as Lepidonotus helotypus (Grube, 1877) accepted as Hermilepidonotus helotypus (Grube, 1877) (source of synonymy)
Lepidonotus elongatus Marenzeller, 1902 (additional source)
Lepidonotus glaucus (Peters, 1854) (source of synonymy)
Lepidonotus helotypus (Grube, 1877) accepted as Hermilepidonotus helotypus (Grube, 1877) (additional source)
Lepidonotus impatiens (Savigny in Lamarck, 1818) (additional source)
Lepidonotus javanicus Horst, 1917 (additional source)
Lepidonotus lacteus (Ehlers, 1887) (additional source)
Lepidonotus margaritaceus Kinberg, 1856 (additional source)
Lepidonotus oculatus Baird, 1865 (additional source)
Lepidonotus oculatus echinatus Potts, 1910 (new combination reference)
Lepidonotus pilosella (Grube, 1878) accepted as Lepidonotus tomentosus (Grube, 1856) (new combination reference)
Lepidonotus pleiolepis (Marenzeller, 1879) accepted as Nonparahalosydna pleiolepis (Marenzeller, 1879) (new combination reference)
Lepidonotus polychromus Schmarda, 1861 (additional source)
Lepidonotus pomareae Kinberg, 1856 accepted as Chaetacanthus pomareae (Kinberg, 1856) (additional source)
Lepidonotus semitectus (Stimpson, 1855) (additional source)
Lepidonotus sinclairi Baird, 1865 accepted as Lepidonotus polychromus Schmarda, 1861 (source of synonymy)
Lepidonotus socialis Kinberg, 1856 accepted as Thormora socialis (Kinberg, 1856) (source of synonymy)
Lepidonotus squamatus (Linnaeus, 1758) (additional source)
Lepidonotus squamatus angustus Verrill, 1873 accepted as Lepidonotus angustus Verrill, 1873 (additional source)
Lepidonotus sublaevis [auct. misspelling] accepted as Lepidonotus sublevis Verrill, 1873 (basis of record)
Lepidonotus tenuisetosus (Gravier, 1902) (additional source)
Lepidonotus vandersandei Horst, 1917 (additional source)
Perolepis regularis Ehlers, 1908 (basis of record)
Polynoe contaminata Grube, 1876 accepted as Lepidonotus contaminatus (Grube, 1876) (status source)
Polynoe fallax Grube, 1878 accepted as Lepidasthenia fallax (Grube, 1878) (source of synonymy)
Polynoe marginata Grube, 1856 accepted as Halosydna marginata (Grube, 1856) (source of synonymy)
Thormora socialis (Kinberg, 1856) (basis of record)

Mermaid Strait for Lepidonotus australiensis Seidler, 1924 

 Grammatical gender

 for Chaetacanthus Seidler, 1922

Clearly masculine in form, and Seidler alters the suffix of his type species from 'magnifica' to 'magnificus' when ... [details]

 Homonymy

 for Chaetacanthus Seidler, 1922

Hemihomonymy [name with the same spelling from different nomenclature systems] exists with the Plantae Kingdom ... [details]

 Publication date

 for Chaetacanthus Seidler, 1922

Publication date is 1922. Seidler (1922) first published his new genus Chaetacanthus in his paper on Euphione. ... [details]

 Synonymy

 for Lepidonotus (Physalidonotus) barbatus Augener, 1910

Although the Hartman catalogue gave Lepidonotus (Physalidonotus) barbatus Augener a recombination as Chaetacanthus ... [details]

 Type locality

 for Lepidonotus australiensis Seidler, 1924

Mermaid Strait, Dampier Archipelago, Western Australia, as "Meermaidstreet", an error for Meermaid Strasse, a ... [details]

 Validity

 for Polynoe contaminata Grube, 1876

Seidler (1924: 30-31) considered Polynoe contaminata as a valid species, recombining it in the genus Lepidonotus, ... [details]