Club-shaped gland and endostyle in larval Branchiostoma lanceolatum (Cephalochordata) R. Olsson OriginalPaper Pages: 1 - 13
Bau und Funktion des Süßwasserschwamms Ephydatia fluviatilis (Porifera) N. Weissenfels OriginalPaper Pages: 15 - 23
The spine tissues in the echinoid Eucidaris tribuloides K. MärkelUrsula Röser OriginalPaper Pages: 25 - 41
Calcite-resorption in the spine of the echinoid Eucidaris tribuloides K. MärkelUrsula Röser OriginalPaper Pages: 43 - 58
The euphausiid compound eye — a morphological re-investigation (Crustacea: Euphausiacea) E. HallbergD.-E. Nilsson OriginalPaper Pages: 59 - 66