1. Two types of the tentacle structure of Entoprocta and the fine structure of the vestibular groove

   • A. O. Borisanova

   Original Paper 17 August 2020 Pages: 433 - 445

   

2. Sensory systems of Lineus ruber (Nemertea, Pilidiophora)

   • O. V. Zaitseva
   • S. A. Petrov
   • A. A. Petrov

   Original Paper 20 October 2020 Pages: 447 - 459

   

3. Comparative analysis of antennal fine structure of Goniagnathus punctifer, Stirellus yeongnamensis and Stirellus indrus (Hemiptera: Cicadellidae: Deltocephalinae)

   • Wei Liu
   • Yating Zhang
   • Yani Duan

   Original Paper 30 October 2020 Pages: 461 - 469

   

4. Heteromorphosis associated to host-exploitation in an atypical parasitoid, Mallophora ruficauda (Diptera: Asilidae)

   • Sofía Fabiano
   • Marcela Karina Castelo

   Original Paper 04 October 2020 Pages: 471 - 481

   

5. Intraspecific dental variations in the deep-sea shark Etmopterus spinax and their significance in the fossil record

   • Nicolas Straube
   • Jürgen Pollerspöck

   Original Paper Open access 26 October 2020 Pages: 483 - 491

   

6. Scapulocoracoid morphology in the skates of the tribe Riorajini (Elasmobranchii, Rajiformes, Arhynchobatidae)

   • Karla D. A. Soares
   • Ulisses L. Gomes
   • Hugo R. S. Santos

   Original Paper 23 October 2020 Pages: 493 - 500

   

7. Immunohistochemical detection of sulfhydryl oxidase in chick skin appendages and feathers suggests that the enzyme contributes to maturation of the corneous material

   • Lorenzo Alibardi

   Original Paper 29 October 2020 Pages: 501 - 511

   

8. Less tautology, more biology? A comment on “high-density” morphometrics

   • Andrea Cardini

   Methods Papers 22 September 2020 Pages: 513 - 529