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
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
Sperm packaging in the seminal vesicles of Hygrophila (Gastropoda: Pulmonata) E. V. SoldatenkoA. B. ShatrovA. A. Petrov Original paper 12 May 2018 Pages: 367 - 376
The sex change of the caridean shrimp Hippolyte inermis Leach: temporal development of the gonopore morphology Mirko MutalipassiChingoileima MaibamValerio Zupo Original paper Open access 20 April 2018 Pages: 377 - 388
Harden up: metal acquisition in the weaponized ovipositors of aculeate hymenoptera Kate BaumannEdward P. VicenziBryan G. Fry Original paper 26 March 2018 Pages: 389 - 406
Correction to: Harden up: metal acquisition in the weaponized ovipositors of aculeate hymenoptera Kate BaumannEdward P. VicenziBryan G. Fry Correction 16 June 2018 Pages: 407 - 408
The kinematics of envenomation by the yellow stingray, Urobatis jamaicensis Ruth HughesKristen PedersenSteve Huskey Original paper 22 March 2018 Pages: 409 - 418
Histological organization of intestinal villi in the crocodilian caiman yacare (Daudin, 1802) during dietary lipid absorption Ricardo Moraes BorgesLeandro Nogueira PressinottiJosé Roberto Machado Cunha da Silva Original paper 05 March 2018 Pages: 419 - 432
Unveiling diversity under the skin: comparative morphology study of the cephalic glands in threadsnakes (Serpentes: Leptotyphlopidae: Epictinae) Angele MartinsPaulo PassosRoberta Pinto Original paper 06 June 2018 Pages: 433 - 443
Geometric morphometric analysis of skull shape in the Accipitridae Yuchen SunGuangdi SiZihui Zhang Original paper 23 April 2018 Pages: 445 - 456
A survey of casques, frontal humps, and other extravagant bony cranial protuberances in birds Gerald Mayr Original paper 29 May 2018 Pages: 457 - 472