Segmented worms (Phylum Annelida): a celebration of twenty years of progress through Zootaxa and call for action on the taxonomic work that remains
The invertebrate host of salmonid fish parasites Ceratonova shasta and Parvicapsula minibicornis (Cnidaria: Myxozoa), is a novel fabriciid annelid, Manayunkia occidentalis sp. nov. (Sabellida: Fabriciidae)
Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
A new species of the Spirobranchus kraussii-complex (Annelida, Serpulidae) from the Persian Gulf and Gulf of Oman
Eunice sensu lato (Annelida: Eunicidae) from Australia: description of seven new species and comments on previously reported species of the genera Eunice, Leodice and Nicidion
Revision of Leocrates Kinberg, 1866 and Leocratides Ehlers, 1908 (Annelida, Errantia, Hesionidae)
Two new species of spionids from the genera Dispio and Prionospio (Polychaeta: Spionidae) from the Iberian Peninsula with redescription and notes on Prionospio (Minuspio) multibranchiata Berkeley, 1927
Preliminary taxonomical investigation of soil enchytraeids (Clitellata, Enchytraeidae) from south region of Tibet, China
New species and records of Uncispionidae and Pygospiopsis (Polychaeta, Spionida) from deep water off the east and west coasts of North America, the Gulf of Mexico, the Antarctic Peninsula, and Southeast Asia
Distribution of epi-endogeic and endogeic earthworm species (Oligochaeta: Lumbricidae) in the forest belt of the Northwest Caucasus
Worming its way in—Polydora websteri (Annelida: Spionidae) increases the number of non-indigenous shell-boring polydorin pests of cultured molluscs in South Africa
A new freshwater fabriciid species (Sabellida, Fabriciidae) from the Uruguay River, Argentina, with some remarks on the relationships of Monroika Hartman, 1951, Manayunkia Bourne, 1884 and Brandtika Jones, 1974
Taxonomical study of Japanese Aulodrilus Bretscher (Annelida, Clitellata, Tubificinae) with descriptions of two new species
Three new species and four new species records of earthworms of the genus Moniligaster Perrier, 1872 (Clitellata: Moniligastridae) from Kerala region of the Western Ghats Biodiversity Hotspot, India
The Pandora’s box: Morphological diversity within the genus Amphiglena Claparède, 1864 (Sabellidae, Annelida) in the Mediterranean Sea, with description of nine new species
New species and records of Orbiniidae (Annelida, Polychaeta) from continental shelf and slope depths of the Western North Atlantic Ocean
Laminatubus (Serpulidae, Annelida) from eastern Pacific hydrothermal vents and methane seeps, with description of two new species
Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
Three new enchytraeid species (Enchytraeidae, Annelida) from mountain soils of Korea and ten species new for the country
Four new deep-water flabelligerid species from Pacific Costa Rica (Annelida, Sedentaria, Flabelligeridae)
Revision of Chaetacanthus Seidler, 1922 (Annelida, Phyllodocida, Polynoidae)
Pilargidae (Annelida: Phyllodocida) from coastal and deep waters of the Southwestern Atlantic, with descriptions of two new species
Integrative taxonomy of some Iranian peregrine earthworm species using morphology and barcoding (Annelida: Megadrili)
Revision of the French Polycirridae (Annelida, Terebelliformia), with descriptions of eight new species
New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil
A new species of Marphysa (Annelida: Eunicida: Eunicidae) from India, with notes on previously described or reported species from the region
Three new species of Aricidea (Acmira) (Annelida: Paraonidae) from the Continental Shelf of Eastern Brazil, Southwestern Atlantic
Syllidae (Annelida) from East Timor and the Philippines (Pacific Ocean), with the description of three new species of Syllis Savigny in Lamarck, 1818
Nereis taichungensis nom. nov., a replacement name for Nereis articulata Hsueh, 2020, a junior primary homonym to Nereis articulata Ehlers, 1887
