1. Obituary: Claus Nielsen (March 28th, 1938–January 18th, 2024)

   • Anders Hay-Schmidt
   • Jens T. Hoeg

   Obituary 07 April 2024 Pages: 1 - 3

   

2. Developmental anomalies in ‘reptiles’: a scoping review

   • G. Dillenburg
   • A. Pic-Taylor
   • J. Klaczko

   Review 06 September 2023 Pages: 5 - 11

   

3. Scanning electron microscopic investigation of general morphology and ciliary structures in Nereilinum murmanicum Ivanov, 1961 (Annelida, Siboglinidae)

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

   Research 10 February 2024 Pages: 13 - 29

   

4. Microstructure and mineralogy of the tube and operculum of serpulid polychaetes from temperate and warm waters

   • J. Pablo Sánchez-Ovando
   • Denise Re
   • Olev Vinn

   Research 29 January 2024 Pages: 31 - 46

   

5. Morphological approaches as tools to study the development of male germ cells of Crassostrea gasar (Mollusca, Bivalvia)

   • Juliana Caroline Dias Pantoja
   • Maria Auxiliadora Pantoja Ferreira
   • Rossineide Martins da Rocha

   Research 08 January 2024 Pages: 47 - 56

   

6. Gall-forming nematode, Anguina woodi (Nematoda: Anguinidae) and Chalcid wasp (Hymenoptera: Eurytomidae), on dune grass from the Western Cape, South Africa

   • T. R. Chauke
   • D. P. Malatji
   • A. Swart

   Research Open access 13 January 2024 Pages: 57 - 75

   

7. First biocharacterization of Artemia populations from western and northwestern Algeria

   • Chalabia Chabet dis
   • Wahid Refes
   • Robert K. Okazaki

   Research 27 November 2023 Pages: 77 - 88

   

8. Insights from the preimaginal morphology of the constans species-group, to reveal novel morphological patterns of the Merodon albifrons-evolutionary lineage (Diptera, Syrphidae)

   • Andrea Aracil
   • Andrijana Andrić
   • Celeste Pérez-Bañón

   Research Open access 29 January 2024 Pages: 89 - 97

   

9. Comparative morphology and function of Chloropidae (Diptera) tibial organ

   • Paula Raile Riccardi
   • Dalton de Souza Amorim
   • Gustavo Ferreira Martins

   Research Open access 20 January 2024 Pages: 99 - 106

   

10. Insights into the male reproductive system and spermatozoa of Lutzia bigoti (Diptera: Culicidae)

    • Henrique Barbosa da Silva
    • Renata Cristina Barbosa
    • José Lino-Neto

    Research 12 February 2024 Pages: 107 - 116

    

11. Anatomical variation between the muscles of mastication in black-tip shark (Carcharhinus limbatus) and shovelnose ray Fish (Glaucostegus typus)

    • Nora A. Shaker
    • Asmaa M. Ibrahium

    Research Open access 09 December 2023 Pages: 117 - 126

    

12. Seasonal variation and identification of parasitic fauna of edible ornamental fish investigated by light and electron microscopy with special reference to histopathological tissue alteration of infected organs

    • Saikat Saha
    • Mandira Saha
    • Sabir Hossen Molla

    Research 22 November 2023 Pages: 127 - 139

    

13. The pelvic girdle in extant gonorynchiformes (Teleostei: Otomorpha)

    • Ann-Katrin Koch
    • Timo Moritz

    Research Open access 06 January 2024 Pages: 141 - 150

    

14. Description of hyperostotic bones pattern in Largehead Hairtail Trichiurus lepturus

    • Fernando A. P. Tuna
    • Flávia A. A. Calixto
    • Eliana F. M. Mesquita

    Research 09 January 2024 Pages: 151 - 157

    

15. Larval morphology of Frostius pernambucensis (Anura): contribution of larval characters for the systematics of the family Bufonidae and evolution of endotrophic tadpoles

    • Marcos Jorge Matias Dubeux
    • Filipe Augusto Cavalcanti do Nascimento
    • Pedro Henrique dos Santos Dias

    Original Paper Open access 26 September 2023 Pages: 159 - 187

    

16. Larvae to adult: skin ontogeny of Physalaemus ephippifer (Anura: Leptodactylidae)

    • Juliana L. S. Santos
    • Verônica R. L. Oliveira-Bahia
    • Gleomar F. Maschio

    Original Paper 23 September 2023 Pages: 189 - 202

    

17. Comparative ontogeny of skin glands in Rhinella and Incilius toads

    • Katherine Porras-Brenes
    • Nicole Ramírez-Mata
    • Jennifer L. Stynoski

    Research 19 January 2024 Pages: 203 - 214

    

18. The hindlimb myology of the South American eagle Geranoaetus melanoleucus (Accipitridae, Aves)

    • Federico Abel Gianechini
    • Luciano Colli
    • María Clelia Mosto

    Research 23 December 2023 Pages: 215 - 230

    

19. Anatomical and morphometric studies on the axial skeleton of ostrich (Struthio camelus)

    • Menna Allah M. Kassem
    • Reem R. Tahon
    • Medhat A. El-Ayat

    Research Open access 09 February 2024 Pages: 231 - 248

    

20. Immunofluorescence study of the endocrine pancreas in the common pheasant (Phasianus colchicus)

    • Asreen Mohammadi
    • Nader Goodarzi

    Original Paper 02 September 2023 Pages: 249 - 254