More new Diplotrema earthworm species from southern Mexico (Annelida, Crassiclitellata, Acanthodrilidae, Acanthodrilinae)

New Species of Cirratulidae (Annelida, Polychaeta) from the Caribbean Sea

Revision of Hyalopale (Chrysopetalidae; Phyllodocida; Annelida): an amphi-Atlantic Hyalopale bispinosa species complex and five new species from reefs of the Caribbean Sea and Indo-Pacific Oceans

A new species of the sanguinea-group Quatrefages, 1866 (Annelida: Eunicidae: Marphysa) from the Philippines

Redescription and new records of Polymorphus trochus (Van Cleave, 1945) (Polymorphida: Polymorphidae), in Mexico

Broad geographic sampling and DNA barcoding do not support the presence of Helobdella stagnalis (Linnaeus, 1758) (Clitellata: Glossiphoniidae) in North America

Decimodrilus, a new enchytraeid genus from Korea (Annelida, Clitellata, Enchytraeidae)

Observations on the terrestrial leech Haemopis septagon Sawyer & Shelley, 1976 (Annelida: Hirudinea) from the Outer Banks, North Carolina, USA, with a revision of the species

Two new earthworm species of the genus Amynthas (Oligochaeta: Megascolecidae) from central Taiwan, with comments on some recent species assignments in Amynthas and Metaphire

Two new species of nereidids (Annelida, Polychaeta) from Taiwan

A new species and nine new records of Syllidae (Annelida) from the Socotra Archipelago (Indian Ocean)

Two new species of Amphiglena (Sabellidae, Annelida), with an assessment of hidden diversity in the Mediterranean

Revision of Fauveliopsidae Hartman, 1971 (Annelida, Sedentaria)

New species of Cirratulidae (Annelida, Polychaeta) from abyssal depths of the Clarion-Clipperton Fracture Zone, North Equatorial Pacific Ocean

A revision of the genus Petta Malmgren, 1866 (Annelida: Pectinariidae), with two new species from deep waters of southeastern Australia, and comments on phylogeny of the family

ErIK—a software-based identification key for earthworm species of Croatia

Revision of Lumbrineris de Blainville, 1828 (Polychaeta: Lumbrineridae)

Helobdella nahuelhuapensis sp. nov. (Hirudinea, Glossiphoniidae), from Bariloche, Argentina

First record of the genus Leiocapitella (Annelida: Capitellidae) from China with description of a new species

A replacement name for Wilsoniella Pettibone, 1993 (Annelida: Polynoidae), junior homonym of Wilsoniella Khalfin, 1939 (Brachiopoda: Rhynchonellida), and revalidation of Pessoaiella Guimarães, 1940 over Wilsoniella Eichler, 1940 (Phthiraptera: Ischnocera: Philopteridae) also a junior homonym of Wilsoniella Khalfin, 1939

New Prionospio and Laubieriellus (Annelida: Spionidae) species from Southeastern Brazil

Catalogue of Notomastus M. Sars, 1851 (Annelida, Capitellidae) and the description of a new species from the Gulf of California

Pectinariidae (Annelida, Terebelliformia) from off southeastern Brazil, southwestern Atlantic

Correct spelling of a recently described species of Helobdella (Annelida: Clitellata: Hirudinea)

Redescription of Naineris aurantiaca (Müller, 1858) and designation of a neotype from the Brazilian coast (Annelida: Orbiniidae)

Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil

Order Phasmida Leach. 1815. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness