Fig. 1From: Using copepods to develop a didactic strategy for teaching species concepts in the classroomMap of the coast of South America showing the occurrence of Acartia tonsa and Acartia lilljeborgi based on the published data (http://www.marinespecies.org). The black arrow indicates the spines present in the posterior margin of the prosoma of A. lilljeborgi (Photographs: Camila Gomes)Back to article page