''Lepidonotus'' is a genus of marine annelids in the family

Polynoidae Polynoidae is a family of marine Polychaete worms known as "scale worms" due to the scale-like elytra on the dorsal surface. Almost 900 species are currently recognised belonging to 9 subfamilies and 167 genera. They are active hunters, but gene ...

(scale worms). The genus occurs globally and includes 80 species, usually found in shallow waters down to about 80 metres.

Description

Body dorsoventrally flattened, short, with 26 segments and 12 pairs of

elytra An elytron (; ; , ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometimes alterna ...

on segments 2, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23.

Prostomium The prostomium (From Ancient Greek, meaning "before the mouth"; plural: prostomia; sometimes also called the "acron") is the cephalized first body segment in an annelid worm's body at the anterior end. It is in front of (but does not include) t ...

with three antennae; lateral antennae continuous with prostomium, laterally to median antenna.

Parapodia In invertebrates, the term parapodium ( Gr. ''para'', beyond or beside + ''podia'', feet; plural: parapodia) refers to lateral outgrowths or protrusions from the body. Parapodia are predominantly found in annelids, where they are paired, unjointed ...

with elongate acicular lobes with both

acicula Acicula (singular: aciculum) are strong, stout internal chaetae that provide support to parapodia In invertebrates, the term parapodium ( Gr. ''para'', beyond or beside + ''podia'', feet; plural: parapodia) refers to lateral outgrowths or protr ...

penetrating epidermis.

Notochaetae A chaeta or cheta (from Greek χαίτη “crest, mane, flowing hair"; plural: chaetae) is a chitinous bristle or seta found in annelid worms, (although the term is also frequently used to describe similar structures in other invertebrates such ...

slender and densely serrated.

Neurochaetae A chaeta or cheta (from Greek χαίτη “crest, mane, flowing hair"; plural: chaetae) is a chitinous bristle or seta found in annelid worms, (although the term is also frequently used to describe similar structures in other invertebrates such ...

much more stout, with rows of spines distally and unidentate and/or bidentate tips (see Barnich & Fiege, 2003 for detailed diagnosis) .

Species

The following species of ''Lepidonotus'' were accepted as valid as of June 2020: *'' Lepidonotus adspersus'' (Grube, 1878) *'' Lepidonotus aeololepis'' Haswell, 1883 *'' Lepidonotus albopustulatus'' Horst, 1915 *'' Lepidonotus ambigua'' Knox, 1960 *'' Lepidonotus angustus'' Verrill, 1873 *'' Lepidonotus antillarum'' (Schmarda, 1861) *'' Lepidonotus arenosus'' Ehlers, 1901 *'' Lepidonotus austera'' (Grube, 1878) *'' Lepidonotus australiensis'' Seidler, 1924 *'' Lepidonotus australis'' (Schmarda, 1861) *'' Lepidonotus banksi'' Knox, 1951 *'' Lepidonotus bicornis'' (Uschakov, 1982) *'' Lepidonotus bowerbanki'' Baird, 1865 *'' Lepidonotus brasiliensis'' (Quatrefages, 1866) *'' Lepidonotus brevicornis'' Quatrefages, 1865 *'' Lepidonotus brunneus'' Day, 1975 *'' Lepidonotus caelorus'' Moore, 1903 *'' Lepidonotus caeruleus'' Kinberg, 1856 *'' Lepidonotus carinulatus'' (Grube, 1869) *'' Lepidonotus citrifrons'' Augener, 1906 *'' Lepidonotus clava'' (Montagu, 1808) *'' Lepidonotus cristatus'' (Grube, 1876) *'' Lepidonotus crosslandi'' Monro, 1928 *'' Lepidonotus cryptocephalus'' (Grube, 1878) *'' Lepidonotus dentatus'' Okuda in Okuda & Yamada, 1954 *'' Lepidonotus durbanensis'' Day, 1934 *'' Lepidonotus elongatus'' Marenzeller, 1902 *'' Lepidonotus fiordlandicus'' Knox, 1956 *'' Lepidonotus furcillatus'' Ehlers, 1901 *'' Lepidonotus fusicirrus'' (Schmarda, 1861) *'' Lepidonotus glaber'' Imajima, 1997 *'' Lepidonotus glaucus'' (Peters, 1854) *'' Lepidonotus hainanicus'' Uschakov, 1982 *'' Lepidonotus havaicus'' Kinberg, 1856 *'' Lepidonotus hedleyi'' Benham, 1915 *'' Lepidonotus helotypus'' (Grube, 1877) *'' Lepidonotus hermenioides'' Amoureux, 1974 *'' Lepidonotus hupferi'' Augener, 1918 *'' Lepidonotus impatiens'' (Savigny in Lamarck, 1818) *'' Lepidonotus jacksoni'' Kinberg, 1855 *'' Lepidonotus javanicus'' Horst, 1917 *'' Lepidonotus lacteus'' (Ehlers, 1887) *'' Lepidonotus lissolepis'' Haswell, 1883 *'' Lepidonotus magnatuberculata'' Seidler, 1923 *'' Lepidonotus malayanus'' Horst, 1915 *'' Lepidonotus margaritaceus'' Kinberg, 1856 *'' Lepidonotus melanogrammus'' Haswell, 1883 *'' Lepidonotus natalensis'' Day, 1951 *'' Lepidonotus nesophilus'' Chamberlin, 1919 *'' Lepidonotus oculatus'' Baird, 1865 *'' Lepidonotus onisciformis'' Ehlers, 1918 *'' Lepidonotus panamensis'' Hartman, 1939 *'' Lepidonotus pellucidus'' Dyster in Johnston, 1865 *'' Lepidonotus permixturus'' Hanley & Burke, 1991 *'' Lepidonotus polae'' Wehe, 2006 *'' Lepidonotus polychromus'' Schmarda, 1861 *'' Lepidonotus purpureus'' Potts, 1910 *'' Lepidonotus pustulatus'' Potts, 1910 *'' Lepidonotus rossii'' Leach in Ross, 1819 *'' Lepidonotus ruber'' Horst, 1917 *'' Lepidonotus sagamianus'' (Izuka, 1912) *'' Lepidonotus savignyi'' (Grube, 1856) *'' Lepidonotus scanlandi'' Hanley & Burke, 1991 *'' Lepidonotus scoticensis'' Nolte, 1936 *'' Lepidonotus semisculptus'' Johnston, 1865 *'' Lepidonotus semitectus'' (Stimpson, 1856) *'' Lepidonotus simplicipes'' Haswell, 1883 *'' Lepidonotus spiculus'' (Treadwell, 1906) *'' Lepidonotus spinosus'' Hanley & Burke, 1991 *'' Lepidonotus squamatus'' (Linnaeus, 1758) *'' Lepidonotus stellatus'' Baird, 1865 *'' Lepidonotus stephensoni'' Monro, 1931 *'' Lepidonotus sublevis'' Verrill, 1873 *'' Lepidonotus tenuisetosus'' (Gravier, 1902) *'' Lepidonotus tomentosus'' (Grube, 1856) *'' Lepidonotus torresiensis'' Haswell, 1883 *'' Lepidonotus vandersandei'' Horst, 1917 *'' Lepidonotus variabilis'' Webster, 1879 *'' Lepidonotus wahlbergi'' Kinberg, 1856 *'' Lepidonotus yorkianus'' Augener, 1922

References

{{Taxonbar, from=Q5104628 Phyllodocida Polychaete genera