Ultrastructure and histochemistry of the foregut in Wirenia argentea and Genitoconia rosea (Mollusca, Solenogastres) C. TodtL. v. Salvini-Plawen Original Article 24 September 2003 Pages: 65 - 80
Effects of jaw adductor hypertrophy on buccal expansions during feeding of air breathing catfishes (Teleostei, Clariidae) Sam Van WassenberghAnthony HerrelPeter Aerts Original Article 03 October 2003 Pages: 81 - 93
Chondrocranial morphology and ontogenetic allometry in larval Bufo americanus (Anura, Bufonidae) Peter M. Larson Original Article 11 December 2003 Pages: 95 - 106
On the larval development of Eubranchipus grubii (Crustacea, Branchiopoda, Anostraca), with notes on the basal phylogeny of the Branchiopoda Ole Sten MøllerJørgen OlesenJens Thorvald Høeg Original Article 11 December 2003 Pages: 107 - 123