Lopadorrhynchidae
A, Side view of the larva of Lopadorhynchus (from Kleinenberg), showing the developing trunk region. in Encyclopædia Britannica 1911 - Chaetopoda article - Anonymous author.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Annelida
Clade:	Pleistoannelida
Subclass:	Errantia
Order:	Phyllodocida
Suborder:	Phyllodociformia
Family:	Lopadorrhynchidae Claparède, 1870[1]
Genera
Hydrophanes Claparède, 1870 Lopadorrhynchus Grube, 1855 Mastigethus Chamberlin, 1919 Maupasia Viguier, 1886 Nans Chamberlin, 1919 Pedinosoma Reibisch, 1895 Pelagobia Greeff, 1879
Synonyms
Lopadorhynchidae (misspelling) Lopadorrhynchinae Claparède, 1870 (rank upgrade to family status)

Lopadorrhynchidae is a family of polychaete worms.