Acta Zoologica

Tube construction in the watering pot shell Brechites vaginiferus (Bivalvia; Anomalodesmata; Clavagelloidea)
pp. 149-161(13)
Authors: Elizabeth M. Harper; Brian Morton

When an epithelium ceases to exist – an ultrastructural study on the fate of the embryonic coelom in Epiperipatus biolleyi (Onychophora, Peripatidae)
pp. 163-170(8)
Authors: Georg Mayer; Hilke Ruhberg; Thomas Bartolomaeus

Ultrastructural study of the jaw structures in two species of Ampharetidae (Annelida: Polychaeta)
pp. 171-180(10)
Author: Alexander B. Tzetlin

Ultrastructure of the digestive tract of Diacyclops thomasi (Cyclopoida, Copepoda) during different stages of encystment during a summer diapause
pp. 181-189(9)
Authors: Alexandra Baud; C. Cuoc; V. Alekseev

Stomach expression of histo-blood group antigens A and B in some vertebrates
pp. 191-199(9)
Authors: Victoria S. Sarafian; Elena S. Tomova; Svetoslav K. Kalaydjiev

Comparative study of otolith organs between two species of upside-down swimming catfish Synodontis nigriventris showing converse swimming postures
pp. 201-209(9)
Authors: Ken Ohnishi; Yoichi Ogawa; Akihisa Takahashi; Masayuki Yamashita; Takeo Ohnishi