Asian cave-adapted diplurans, with the description of two new genera and four new species (Arthropoda, Hexapoda, Entognatha)
Alberto SENDRA et al.
1-46, Published on 05 January 2021, art. 731 (1)
A new Cyrtodactylus (Squamata: Gekkonidae) from Binh Thuan Province, southern Vietnam
Sabrina OSTROWSKI et al.
47-70, Published on 13 January 2021, art. 731 (47) 
All-inclusive descriptions of new freshwater snail taxa of the hyperdiverse family Tateidae (Gastropoda, Caenogastropoda) from the South Island of New Zealand
Gerlien VERHAEGEN & Martin HAASE
71-96, Published on 18 January 2021, art. 731 (71) 
A new spider genus (Araneae: Linyphiidae: Erigoninae) from a tropical montane cloud forest of Mexico
Guillermo IBARRA-NÚÑEZ et al.
97-116, Published on 19 January 2021, art. 731 (97) 
Systematics of Helioandesia tarregai gen. et sp. nov.(Lepidoptera: Yponomeutoidea: Heliodinidae) from the Andes of Northern Chile
Mumetopia interfeles sp. nov., a new species of Anthomyzidae (Diptera) occurring en masse in an urban grassy habitat in Chile:its taxonomy, phylogeny and biology
Jindřich ROHÁČEK & Andrea TÓTHOVÁ
135-158, Published on 21 January 2021, art. 731 (135) 
