Structural analysis of the statocyst and nervous system of Praesagittifera naikaiensis, an acoel flatworm, during development after hatching Tosuke SakagamiKaho WatanabeMotonori Ando Original Paper 09 April 2021 Pages: 183 - 192
Myoanatomy of three aberrant kinorhynch species: similar but different? Maria HerranzKatrine WorsaaeMartin V. Sørensen Original Paper 26 February 2021 Pages: 193 - 215
The coracoscapular joint of neornithine birds—extensive homoplasy in a widely neglected articular surface of the avian pectoral girdle and its possible functional correlates Gerald Mayr Original Paper Open access 27 May 2021 Pages: 217 - 228
Correction to: The coracoscapular joint of neornithine birds—extensive homoplasy in a widely neglected articular surface of the avian pectoral girdle and its possible functional correlates Gerald Mayr Correction Open access 11 June 2021 Pages: 229 - 229
Functional morphology of the raptorial forelegs in Mantispa styriaca (Insecta: Neuroptera) Sebastian BüsseFabian BäumlerStanislav N. Gorb Original Paper Open access 12 April 2021 Pages: 231 - 241
Comparative morphology of antennae in the family Pleidae (Hemiptera: Heteroptera) Clea GarzaDaniela RamosJerry L. Cook Original Paper 24 March 2021 Pages: 243 - 256
Male reproductive system and sperm morphology of Eccritotarsini plant bugs (Heteroptera: Miridae) Paulo Henrique RezendeGlenda DiasJosé Lino-Neto Original Paper 03 May 2021 Pages: 257 - 267
Task specialization and structure attrition: neotropical social wasps may disperse the cost of mandible demanding labors throughout their lives J. J. Lagos-OviedoC. E. Sarmiento Original Paper 20 May 2021 Pages: 269 - 278
Embryonic development of Kinosternon scorpioides (Testudines: Kinosternidae) Brenda Stefany dos Santos BragaDário Lisboa Fernandes-NetoDiva Anelie de Araújo Guimarães Original paper 16 February 2021 Pages: 279 - 290
Demographics and morphometrics of marsh terrapins (Pelomedusa galeata) and serrated hinged terrapins (Pelusios sinuatus) populations in KwaZulu-Natal, South Africa: skewed size-class bias concerns Cormac PriceCéline HanzenColleen T. Downs Original Paper 23 February 2021 Pages: 291 - 299
Parametric fitting and morphometric analysis of 3D open curves based on discrete cosine transform Shengmin ZhouBingjue LiHeng Nie Methods Papers 27 February 2021 Pages: 301 - 314
Correction to: Parametric fitting and morphometric analysis of 3D open curves based on discrete cosine transform Shengmin ZhouBingjue LiHeng Nie Correction 09 April 2021 Pages: 315 - 315