1. Geometric morphometrics of macro- and meiofaunal priapulid pharyngeal teeth provides a proxy for studying Cambrian “tooth taxa”

   • Joel Vikberg Wernström
   • Ben J. Slater
   • Andreas Altenburger

   Original Paper Open access 12 August 2023 Pages: 411 - 421

   

2. Mechanical properties of larval mouthparts of the antlion Euroleon nostras (Neuroptera: Myrmeleontidae) and their correlation with cuticular material composition

   • Wencke Krings
   • Stanislav N. Gorb

   Original Paper Open access 22 May 2023 Pages: 423 - 438

   

3. Morphology and phylogenetic significance of a newly discovered sound production mechanism in Passandridae (Coleoptera: Cucujoidea)

   • Matheus Bento

   Original Paper 10 August 2023 Pages: 439 - 446

   

4. Morphological and temporal variations in the gametogenic development of the killifish Melanorivulus rossoi (Cyprinodontiformes, Rivulidae) in an area under crop influence

   • Monica Cassel
   • Francisco Severo-Neto
   • Adelina Ferreira

   Original Paper 10 July 2023 Pages: 447 - 452

   

5. Biology and morphology of the larvae of Uropyia meticulodina (Lepidoptera: Notodontidae), with discussion on their feeding and defensive strategies

   • Jia-Xin Liu
   • Di Zhao
   • Lu Jiang

   Original Paper 16 May 2023 Pages: 453 - 463

   

6. Chondrocranium and internal oral anatomy of the tadpole of Pleurodema diplolister (Peters, 1870) (Anura: Leptodactylidae)

   • João Lucas P. Ferreira
   • Claylton A. Costa
   • Etielle B. Andrade

   Original Paper 20 May 2023 Pages: 465 - 475

   

7. Tadpole morphological characterization of Ranitomeya variabilis (Zimmermann & Zimmermann, 1988) (Anura: Dendrobatidae), with skeleton, muscle system and inner organs

   • Ruth A. Regnet
   • Paul Lukas
   • Mirco Solé

   Original Paper Open access 12 September 2023 Pages: 477 - 486

   

8. Sperm storage in Crotalus durissus (Serpentes: Crotalinae): histological insights about the female reproductive tract of pit vipers

   • Rafaella C. Jurkfitz
   • Karina M. P. Silva
   • Selma M. Almeida-Santos

   Original Paper 27 June 2023 Pages: 487 - 496

   

9. Developmental heart morphology in the Amazon turtle Podocnemis expansa (Testudines: Podocnemidae)

   • Emanuel Lucas Bezerra Rocha
   • Marcela dos Santos Magalhães
   • Carlos Eduardo Bezerra de Moura

   Original Paper 31 July 2023 Pages: 497 - 508

   

10. Histochemistry and immunohistochemistry of the parotid and submandibular salivary glands in Hystrix indica

    • Nader Goodarzi
    • Alireza Kahrizi

    Original Paper 19 July 2023 Pages: 509 - 517

    

11. Aspects of the skin morphology in the sub-Antarctic fur seal Arctocephalus tropicalis

    • M. N. Bester
    • M. van Ouwerkerk

    Original Paper Open access 24 August 2023 Pages: 519 - 525