A concise abstract written in the language in which the paper is written consisting of no more than 250 words follows the title. Use passive voice when referring to the author of the paper. Abstract of taxonomic papers should mention all proposed nomenclatoric acts. When contribution are not written in Croatian, the editor will provide abstracts in Croatian. Folow the style of journal for the list of references, and for text references to literature, figures and tables.
Contributions have to be consistent with The International Code of Zoological Nomenclature.
All references in the text must appear in the Literature Cited section. Mik ic, R., 1987. The original drawings should be about twice as large as when printed. Letters and numbers should not be bigger than 3 mm nor smaller than 1.5 mm and should be the same size in all parts of the paper after reducing them. Tables including headings and explanations should be on separate sheet of paper, and numbered accordingly.