Spermatogenesis in the carnivorous sponge Lycopodina hypogea (Porifera, Demospongiae) Jean VaceletNicole Boury-EsnaultAlexander Ereskovsky Original Paper 16 February 2022 Pages: 1 - 17
Fine structure of mushroom bodies and the brain in Sthenelais boa (Phyllodocida, Annelida) Patrick BeckersCarla PeinThomas Bartolomaeus Original Paper Open access 02 December 2021 Pages: 19 - 36
Correction to: Fine structure of mushroom bodies and the brain in Sthenelais boa (Phyllodocida, Annelida) Patrick BeckersCarla PeinThomas Bartolomaeus Correction Open access 29 January 2022 Pages: 37 - 41
Formation and degeneration of scaled capillary notochaetae in Owenia fusiformis Delle Chiaje, 1844 (Oweniidae, Annelida) Julian MüllerThomas BartolomaeusEkin Tilic Original Paper Open access 13 December 2021 Pages: 43 - 56
Comparative anatomy of the rostrosoma of Solifugae, Pseudoscorpiones and Acari J. Matthias StarckJelena BelojevićLisa Mehnert Original Paper Open access 07 January 2022 Pages: 57 - 80
Morphology of the sting apparatus in velvet ants of the subfamilies Myrmosinae, Dasylabrinae, Myrmillinae and Mutillinae (Hymenoptera: Mutillidae) Alexander KumpanenkoDmytro GladunLars Vilhelmsen Original Paper 29 January 2022 Pages: 81 - 94
Ultrastructural characterization of hemocytes in the oriental cockroach Blatta orientalis (Blattodea: Blattidae) Savaş İzzetoğluMehmet Salih YıkılmazGamze Turgay-İzzetoğlu Original Paper 21 January 2022 Pages: 95 - 100
The accessory neural arch: development, morphology, and systematic distribution Philipp ThiemeTimo Moritz Original Paper Open access 30 December 2021 Pages: 101 - 113