Nihonella gen. nov., a new troglophilic genus of dwarf spiders from Japan with a discussion on its phylogenetic position within the subfamily Erigoninae (Araneae, Linyphiidae)
Francesco BALLARIN & Takeshi YAMASAKI
1-18, Published on 26 January 2021, art. 733 (1)
Two new species of Cypricercinae McKenzie, 1971 (Crustacea: Ostracoda) from Thailand
Checklist and a new species of Lippia (Verbenaceae)from the Diamantina Plateau, Minas Gerais, Brazil
Pedro Henrique CARDOSO et al.
42-55, Published on 28 January 2021, art. 733 (42)
Myxobolus opsaridiumi sp. nov. (Cnidaria: Myxosporea) infecting different tissues of an ornamental fish, Opsaridium ubangiensis (Pellegrin, 1901), in Cameroon: morphological and molecular characterization
Guy Benoit LEKEUFACK-FOLEFACK et al.
56-71, Published on 02 February 2021, art. 733 (56) 
Three new species of Euphorbia subgenus Chamaesyce (Euphorbiaceae)endemic to Brazil
Otávio Luis Marques da SILVA et al.
72-86, Published on 03 February 2021, art. 733 (72)
Synopsis of the Evippinae (Araneae, Lycosidae) of Israel, with description of a new species
Igor ARMIACH STEINPRESS et al.
87-124, Published on 04 February 2021, art. 733 (87) 
Contribution to the taxonomic knowledge of Ampharetidae (Annelida) from Antarcticawith the description of Amage giacomobovei sp. nov.
Stefano SCHIAPARELLI & Igor A. JIRKOV
125-145, Published on 08 February 2021, art. 733 (125) 
New fossil records of Xyelidae (Hymenoptera) from the Middle Jurassic of Inner Mongolia, China
Yan ZHENG et al.
146-159, Published on 09 February 2021, art. 733 (146) 
Sonerila longipedunculata sp. nov., a new species of Melastomataceae from the southern Western Ghats, India, with additional notes and lectotypification of Sonerila travancorica
Sekarathil RESMI & Santhosh NAMPY
160-174, Published on 10 February 2021, art. 733 (160)
