Tracing the evolution of trophic specialisation and mode of attack behaviour in the ground spider family Gnaphosidae Narmin BaydizadaAndrea TóthováStano Pekár Original Article 18 August 2020 Pages: 551 - 563
A new and diverse paleofauna of the extinct snakefly family Baissopteridae from the mid-Cretaceous of Myanmar (Raphidioptera) Xiumei LuWeiwei ZhangXingyue Liu Original Article 20 August 2020 Pages: 565 - 595
Hyperdiverse songs, duetting, and the roles of intra- and intersexual selection in the acoustic communication of the genus Eurycorypha (Orthoptera: Tettigonioidea, Phaneropterinae) Klaus-Gerhard HellerClaudia Hemp Original Article 28 August 2020 Pages: 597 - 617
Morphological characters and SNP markers suggest hybridization and introgression in sympatric populations of the pleurocarpous mosses Homalothecium lutescens and H. sericeum Weerachon SawangprohAnnick S. LangNils Cronberg Original Article Open access 07 September 2020 Pages: 619 - 637
Biogeography, phylogenetic relationships and morphological analyses of the South American genus Mutisia L.f. (Asteraceae) shows early connections of two disjunct biodiversity hotspots Andrés Moreira-MuñozRosa A. SchersonHerman Silva Original Article 07 September 2020 Pages: 639 - 656
Phylogenomic analysis and morphological data suggest left-right swimming behavior evolved prior to the origin of the pelagic Phylliroidae (Gastropoda: Nudibranchia) Jessica A. GoodheartHeike Wägele Original Article 11 September 2020 Pages: 657 - 667
Kinetid in larval cells of Spongillida (Porifera: Demospongiae): tracing the ancestral traits Agniya M. SokolovaIgor R. PozdnyakovSergey A. Karpov Original Article 18 September 2020 Pages: 669 - 680
How to build a larval body with less than a hundred cells? Insights from the early development of a stalked jellyfish (Staurozoa, Cnidaria) Tatiana D. MayorovaBoris OsadchenkoYulia Kraus Original Article 01 October 2020 Pages: 681 - 699
Molecular taxonomy, phylogeny and biogeography of the Niphargus tatrensis species complex (Amphipoda, Niphargidae) in Austria Fabio StochErhard ChristianJean-François Flot Original Article 06 October 2020 Pages: 701 - 722
Not withering on the evolutionary vine: systematic revision of the Brown Vine Snake (Reptilia: Squamata: Oxybelis) from its northern distribution Robert C. JadinChristopher BlairJohn C. Murphy Original Article 07 October 2020 Pages: 723 - 746
Phylogeography and potential glacial refugia of terrestrial gastropod Faustina faustina (Rossmässler, 1835) (Gastropoda: Eupulmonata: Helicidae) inferred from molecular data and species distribution models Kamila S. ZającMałgorzata ProćkówDorota Lachowska-Cierlik Original Article Open access 15 October 2020 Pages: 747 - 762
Skeleton in the closet: hidden diversity in patterns of cranial and postcranial ontogeny in Neotropical direct-developing frogs (Anura: Brachycephaloidea) Florencia Vera CandiotiJavier GoldbergJosé Pombal Jr Original Article 19 October 2020 Pages: 763 - 783
The neglected diversity of the Ochthebius fauna from Eastern Atlantic and Central and Western Mediterranean coastal rockpools (Coleoptera, Hydraenidae) Adrian VillastrigoCarles HernandoIgnacio Ribera Original Article 26 October 2020 Pages: 785 - 801
Evolution of Poecilimon jonicus group (Orthoptera: Tettigoniidae): a history linked to the Aegean Neogene paleogeography Simeon B. BorissovAneliya BobevaDragan Chobanov Original Article Open access 26 October 2020 Pages: 803 - 819
Integrative taxonomy confirms two new West-Palaearctic species allied with Chrysotoxum vernale Loew, 1841 (Diptera: Syrphidae) Zorica NedeljkovićAntonio RicarteMª Ángeles Marcos-García Original Article 03 November 2020 Pages: 821 - 833