A new genus and three new species of dactylogyrids (Monogenea), gill parasites of the threadfin bass, Pronotogrammus multifasciatus Gill (Perciformes: Serranidae) in the Southeastern Pacific Ocean off Peru Celso L. CrucesJhon D. CheroJosé L. Luque OriginalPaper 22 January 2020 Pages: 121 - 131
A new genus and two new species of trypanorhynch cestodes (Tentaculariidae) from the sharks Carcharhinus sorrah (Müller & Henle) and Sphyrna lewini (Griffith & Smith) from off the coasts of Malaysia and Mexico Harry W. PalmJosé Raúl Morales-ÁvilaMohammad Haseli OriginalPaper 17 February 2020 Pages: 133 - 142
Amended diagnosis, validity and relationships of the genus Acrolichanus Ward, 1917 (Digenea: Allocreadiidae) based on the 28S rRNA gene, and observations on its lineage diversity Dmitry M. AtopkinSergey G. SokolovAnindo Choudhury OriginalPaper 17 February 2020 Pages: 143 - 156
Paracapillaria (Paracapillaria) gastrica n. sp. (Nematoda: Capillariidae) from the marine fish Synodus variegatus Lacépède (Synodontidae, Aulopiformes) off New Caledonia František MoravecJean-Lou Justine OriginalPaper 17 February 2020 Pages: 157 - 163
Acusicola margulisae n. sp. (Copepoda: Ergasilidae) from freshwater fishes in a Nicaraguan crater lake based on morphological and molecular evidence Ana SantacruzFrancisco Neptalí Morales-SernaGerardo Pérez-Ponce de León OriginalPaper 17 February 2020 Pages: 165 - 177
A new species of Crinoniscus Pérez, 1900 (Crustacea: Isopoda: Crinoniscidae) parasitising the pedunculate barnacle Heteralepas newmani Buhl-Mortensen & Mifsud (Cirripedia: Heteralepadidae) with notes on its ecology and a review of the genus Lene Buhl-MortensenJason D. WilliamsChristopher B. Boyko OriginalPaper Open access 17 February 2020 Pages: 179 - 192
Gobioecetes longibasais n. sp. (Monogenea: Dactylogyridae) from Rhinogobius similis Gill (Perciformes: Gobiidae) from Okinawa-jima Island, the Ryukyu Archipelago, southern Japan, with a new host record for Gobioecetes biwaensis Ogawa & Itoh, 2017 Masato NittaKazuya Nagasawa OriginalPaper 17 February 2020 Pages: 193 - 200
Redescription of the larva, and description of the nymphal and adult stages of Ornithodoros peruvianus Kohls, Clifford & Jones, 1969 (Acari: Argasidae) Sebastián Muñoz-LealDaniel González-AcuñaJosé M. Venzal OriginalPaper 20 February 2020 Pages: 201 - 215
A new species of Acroeimeria Paperna & Landsberg, 1989 (Apicomplexa: Eimeriidae) in Wiegmannʼs torquate lizard Sceloporus torquatus torquatus Weigmann (Sauria: Phrynosomatidae) from Toluca Valley, México Chris T. McAllisterMaría de Lourdes Ruiz-GomezEdgardo Soriano-Vargas OriginalPaper 17 February 2020 Pages: 217 - 222
