Emendation of the genus Neoheterobothrium and a proposal of a new genus Paraheterobothrium (Monogenea: Diclidophoridae) for five species of diclidophorids from Pleuronectiform fishes Kazuo OgawaNaoki ItohMarcelo E. Oliva OriginalPaper 05 August 2021 Pages: 515 - 533
Description of the first species of Pseudoendorchis (Cestoda: Proteocephalidae) with uniloculate suckers from the pimelodid catfish Megalonema platycephalum, with comments on the taxonomic importance of the terminal vagina Philippe Vieira AlvesAlain de ChambrierTomáš Scholz OriginalPaper 25 July 2021 Pages: 535 - 545
Characterization and identification of haemogregarine hemoparasites (Apicomplexa: Adeleina: Hepatozoidae) in natural populations of Mauremys leprosa leprosa and M. leprosa saharica from Morocco El-Mustapha LaghzaouiAna PereraEl Hassan El Mouden OriginalPaper 29 July 2021 Pages: 547 - 557
Aborjinia corallicola sp. n., a new nematode species (Nematoda: Marimermithidae) associated with the bamboo coral Acanella arbuscula (Johnson) Rickard WestermanBárbara de Moura NevesOleksandr Holovachov OriginalPaper Open access 14 August 2021 Pages: 559 - 579
New species in the Basilia ferruginea group (Diptera: Nycteribiidae) from Mexico, with additional records of Basilia rondanii Gustavo GraciolliMaría Magdalena Ramírez-MartínezWill K. Reeves OriginalPaper 08 September 2021 Pages: 581 - 587
A new species of Isospora (Apicomplexa: Eimeriidae) from Carolina chickadee (Passeriformes: Paridae), from Oklahoma, USA Chris T. McAllisterR. Scott Seville OriginalPaper 05 September 2021 Pages: 589 - 594
Eight species of Lintonium Stunkard & Nigrelli, 1930 (Digenea: Fellodistomidae) in Australian tetraodontiform fishes Thomas H. CribbStorm B. MartinScott C. Cutmore OriginalPaper 18 September 2021 Pages: 595 - 624
Three species of copepods parasitic on the blue mackerel Scomber australasicus Cuvier (Actinopterygii: Perciformes: Scombridae) from southern Japan, with description of a new species Colobomatus itoui n. sp. (Cyclopoida: Philichthyidae) Daisuke UyenoKazuya Nagasawa OriginalPaper 16 September 2021 Pages: 625 - 640
Two new species of threadlike blood flukes (Aporocotylidae), with a molecular revision of the genera Ankistromeces Nolan & Cribb, 2004 and Phthinomita Nolan & Cribb, 2006 S. C. CutmoreR. Q.-Y. YongT. H. Cribb OriginalPaper 14 September 2021 Pages: 641 - 664
Correction to: Two new species of threadlike blood flukes (Aporocotylidae), with a molecular revision of the genera Ankistromeces Nolan & Cribb, 2004 and Phthinomita Nolan & Cribb, 2006 S. C. CutmoreR. Q.-Y. YongT. H. Cribb Correction 27 September 2021 Pages: 665 - 665
Three new species of Neoechinorhynchus (Acanthocephala: Neoechinorhynchidae) from fresh-water fish collected from Tigris River, Iraq Younis Y. Al-AyashAndrea GustinelliMonica Caffara OriginalPaper 30 September 2021 Pages: 667 - 677
Redescription of Rugopharynx australis (Mönnig, 1926) and the description of R. moennigi n. sp. (Nematoda: Strongyloidea) from kangaroos (Marsupialia: Macropodidae) in Australia Ian BeveridgeTanapan SukeeAbdul Jabbar OriginalPaper 28 September 2021 Pages: 679 - 695
Resurrection and emendation of Pseudoparamacroderoides Gupta & Agrawal, 1968 (Digenea: Macroderoididae), description of a new species from Vietnam, and comments on the systematics of macroderoidid genera Triet N. TruongStephen S. CurranStephen A. Bullard OriginalPaper 23 October 2021 Pages: 697 - 711
Two new species of Myxobolus Bütschli, 1882 (Cnidaria: Bivalvulida: Myxobolidae) infecting the gill of the black redhorse, Moxostoma duquesnei (Lesueur) (Cypriniformes: Catostomidae) in the Little Tennessee River Basin, North Carolina Steven P. KsepkaStephen A. Bullard OriginalPaper 22 October 2021 Pages: 713 - 730
Morphological and molecular identification of medically important questing Dermacentor species collected from some recreational areas of Peninsular Malaysia Faraliana Che Lah ErnieenorDmitry A. ApanaskevichSalmah Yaakop OriginalPaper 22 October 2021 Pages: 731 - 751
Two new species of Colobomatus Hesse, 1873 (Crustacea: Philichthyidae) parasitic in the interorbital canals of Holocentrus spp. (Holocentriformes: Holocentridae) in the South Atlantic Ocean João Victor CoutoFabiano Paschoal OriginalPaper 27 October 2021 Pages: 753 - 764
Correction to: Three new species of Philocorydoras Suriano, 1986 (Monogenoidea: Dactylogyridae) infecting the gills of callichthyids (Actinopterygii: Callichthyidae) from the Peruvian Amazonia Germán Augusto Murrieta Morey Correction 29 October 2021 Pages: 765 - 765
