Research article

• Five new and five known species of the genus Tylencholaimus de Man, 1876 (Nematoda: Dorylaimida: Tylencholaimoidea) from Western Ghats of India

  Md Niraul Islam, Wasim Ahmad

  58–105

  2021-10-07

• Aretopsis sandybrucei, a new deep-water shrimp (Malacostraca: Decapoda: Caridea: Alpheidae) from the Coral Sea

  Hossein Ashrafi, Zdeněk Ďuriš , Arthur Anker

  42–57

  2021-10-06

• Four new genera of the Ceratonotus group (Copepoda, Harpacticoida), including the description of two new species

  Kai H. George

  1-41

  2021-10-05

• Echinoderes xiphophorus sp. nov. – the first deep-water representative of Echinoderidae in the Sea of Japan (Kinorhyncha: Cyclorhagida)

  Andrey V. Adrianov, Anastassya S. Maiorova

  169-186

  2021-10-04

• Pseudopolydora (Annelida: Spionidae) from the Arabian Gulf, Kuwait

  Vasily I. Radashevsky, Manal Al-Kandari, Vasily V. Malyar, Victoria V. Pankova

  120–168

  2021-10-01

• Simulium (Trichodagmia) (Diptera, Simuliidae) phylogeny revisited: the Neotropical and Afrotropical connection

  Óscar S. Molina, Leonardo H. Gil-Azevedo

  80–119

  2021-09-30

• The spider genus Medionops Sánchez-Ruiz & Brescovit (Araneae: Caponiidae) in Colombia, with the description of four new species

  Leonel Martínez, Alexander Sánchez-Ruiz, Alexandre B. Bonaldo

  61–79

  2021-09-29

• Rare, deep-water and similar: revision of Sibogasyrinx (Conoidea: Cochlespiridae)

  Yuri I. Kantor, Nicolas Puillandre

  19-60

  2021-09-28

• Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology

  Paul D. Taylor, Jean-Georges Harmelin, Andrea Waeschenbach, Claude Bouchon

  1–18

  2021-09-27

• Five new species of the land snail genus Landouria Godwin-Austen, 1918 (Gastropoda, Camaenidae) from northeastern Thailand, with note on genitalia and radula morphology of Landouria diplogramma (Möllendorff, 1902)

  Benchawan Nahok, Sakboworn Tumpeesuwan, Chanidaporn Tumpeesuwan

  142–166

  2021-09-17

• A review of Paratranes Zimmerman, 1994, Xanthorrhoea-associated weevils of the Tranes group (Coleoptera, Curculionidae, Molytinae), with description of a new species

  Yun Hsiao, Rolf G. Oberprieler

  117–141

  2021-09-16

• A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)

  Wei Zhang, Zhi-Ming Lei, Wen-Juan Li, Chang-Fa Zhou

  94–116

  2021-09-15

• Two new species of the planthopper genus Eponisiella Emeljanov from China (Hemiptera, Fulgoromorpha, Meenoplidae)

  Sha-sha Lv, Lin Yang, Xiang-Sheng Chen

  83–93

  2021-09-14

• Systematic revision of the limestone karst-restricted land snail genus Aenigmatoconcha (Eupulmonata: Helicarionidae), with description of a new species

  Arthit Pholyotha, Chirasak Sutcharit, Piyoros Tongkerd, Somsak Panha

  55-82

  2021-09-10

• Review of the Orphninae (Coleoptera: Scarabaeidae) of Sri Lanka, with description of a new species of genus Orphnus Macleay, 1819

  Andrey V. Frolov, Lilia A. Akhmetova

  40–54

  2021-09-06

• Three new species of Patrus Aubé with additional records of Gyrinidae from China (Coleoptera, Gyrinidae)

  Zulong Liang, Robert B. Angus, Fenglong Jia

  1–39

  2021-09-01

• Interactive identification key to all brittle star families (Echinodermata; Ophiuroidea) leads to revised morphological descriptions

  Mona Goharimanesh, Sabine Stöhr, Omid Mirshamsi, Fereshteh Ghassemzadeh, Dominique Adriaens

  1-63

  2021-08-31

• Six new species of Tipula (Vestiplex) Bezzi (Diptera, Tipulidae) from Tibet

  Qi-cheng Yang, Yan Li, Zhao-hui Pan, Xiao-yan Liu, Ding Yang 

  152–192

  2021-08-27

• Head in the clouds: a new dwarf frog species of the Physalaemus signifer clade (Leptodactylidae, Leiuperinae) from the top of the Brazilian Atlantic Forest

  Fernando Leal, Camila Zornosa-Torres, Guilherme Augusto-Alves, Simone Dena, Tiago Leite Pezzuti, Felipe Leite, Luciana Bolsoni Lourenço, Paulo Garcia, Luís Felipe Toledo

  119-151

  2021-08-26

• Phylogenetic relationships based on morphological data and taxonomy of the genus Salvadora Baird & Girard, 1853 (Reptilia, Colubridae)

  Carlos A. Hernández-Jiménez, Oscar Flores-Villela, Aranzazú Aguilar-Bremauntz, Jonathan A. Campbell

  85-118

  2021-08-25

• Taxonomic revision of the genus Oplognathus MacLeay, 1819 (Coleoptera: Scarabaeidae: Rutelinae: Rutelini)

  Tamara G. Carvalho, Matthias Seidel, Paschoal C. Grossi

  62–84

  2021-08-24

• Longhorned woodboring beetles (Coleoptera, Cerambycidae) from Cusuco National Park, Honduras: new species, new records, and revalidation

  Antonio Santos-Silva, Martijn Van Roie, Merlijn Jocqué

  37–61

  2021-08-23

• A review of the Himalayan genus Trypheridium Brancucci (Coleoptera: Cantharidae: Chauliognathinae) with description of a new species

  R.M. Zubair, Amir Maqbool, Aijaz Ahmad Wachkoo, Gabriel Biffi

  18-36

  2021-08-20

• Description of four new species of the subgenus Tachycines (Gymnaeta) Adelung, 1902 (Orthoptera: Rhaphidophoridae) from caves in China and additional notes on some previously known species

  Qi-Di Zhu, Fu-Ming Shi

  1-17

  2021-08-19

• A new genus and five new species of the subfamily Florarctinae (Tardigrada, Arthrotardigrada)

  Jesper G. Hansen, Reinhardt M. Kristensen

  149–184

  2021-08-17

• Two new endangered species of Polygala series Trichospermae (Polygalaceae), endemic to the Cerrado domain, Tocantins State, Brazil

  José Floriano Barêa Pastore, Guilherme Medeiros Antar

  133-148

  2021-08-16

• Integrative description of new giant pill-millipedes from southern Thailand (Diplopoda, Sphaerotheriida, Zephroniidae)

  Trine Rosenmejer, Henrik Enghoff, Leif Moritz, Thomas Wesener

  108–132

  2021-08-11

• Serratacosa, a new genus of Lycosidae (Araneae) from the southern slopes of the Eastern Himalayas

  Lu-Yu Wang, Xian-Jin Peng, Zhi-Sheng Zhang

  96–107

  2021-08-10

• Cochlostoma revised: the subgenus Clessiniella Zallot et al., 2015 (Caenogastropoda, Cochlostomatidae)

  Enrico Zallot, Willy De Mattia, Zoltán Fehér, Edmund Gittenberger

  49–95

  2021-08-06

• A new tribe, two new genera and three new species of Cypridopsinae (Crustacea, Ostracoda, Cyprididae) from Brazil

  Nadiny Martins Almeida, Janet Higuti, Vitor Góis Ferreira, Koen Martens

  1-48

  2021-08-04