1. Editorial

   • Andreas Schmidt-Rhaesa

   Editorial 13 August 2018 Pages: 349 - 349

2. Dedicated to comparative morphology and taxonomy: an obituary for Otto Kraus 17.5.1930–24.10.2017

   • Thomas Bartolomaeus

   OBITUARY 13 August 2018 Pages: 351 - 354

   

3. Morphology and ontogeny of Lophopus crystallinus lophophore support the epistome as ancestral character of phylactolaemate bryozoans

   • Thomas Schwaha

   Original paper Open access 16 March 2018 Pages: 355 - 366

   

4. Sperm packaging in the seminal vesicles of Hygrophila (Gastropoda: Pulmonata)

   • E. V. Soldatenko
   • A. B. Shatrov
   • A. A. Petrov

   Original paper 12 May 2018 Pages: 367 - 376

   

5. The sex change of the caridean shrimp Hippolyte inermis Leach: temporal development of the gonopore morphology

   • Mirko Mutalipassi
   • Chingoileima Maibam
   • Valerio Zupo

   Original paper Open access 20 April 2018 Pages: 377 - 388

   

6. Harden up: metal acquisition in the weaponized ovipositors of aculeate hymenoptera

   • Kate Baumann
   • Edward P. Vicenzi
   • Bryan G. Fry

   Original paper 26 March 2018 Pages: 389 - 406

   

7. Correction to: Harden up: metal acquisition in the weaponized ovipositors of aculeate hymenoptera

   • Kate Baumann
   • Edward P. Vicenzi
   • Bryan G. Fry

   Correction 16 June 2018 Pages: 407 - 408

   

8. The kinematics of envenomation by the yellow stingray, Urobatis jamaicensis

   • Ruth Hughes
   • Kristen Pedersen
   • Steve Huskey

   Original paper 22 March 2018 Pages: 409 - 418

   

9. Histological organization of intestinal villi in the crocodilian caiman yacare (Daudin, 1802) during dietary lipid absorption

   • Ricardo Moraes Borges
   • Leandro Nogueira Pressinotti
   • José Roberto Machado Cunha da Silva

   Original paper 05 March 2018 Pages: 419 - 432

   

10. Unveiling diversity under the skin: comparative morphology study of the cephalic glands in threadsnakes (Serpentes: Leptotyphlopidae: Epictinae)

    • Angele Martins
    • Paulo Passos
    • Roberta Pinto

    Original paper 06 June 2018 Pages: 433 - 443

    

11. Geometric morphometric analysis of skull shape in the Accipitridae

    • Yuchen Sun
    • Guangdi Si
    • Zihui Zhang

    Original paper 23 April 2018 Pages: 445 - 456

    

12. A survey of casques, frontal humps, and other extravagant bony cranial protuberances in birds

    • Gerald Mayr

    Original paper 29 May 2018 Pages: 457 - 472