Fig. 2From: Determinants of lungworm specificity in five cetacean species in the western MediterraneanWeighed prevalence values obtained from surveys conducted in different localities [10, 61,62,63,64,65] of the three lungworm species found in this study placed on the phylogenetic tree of the order Cetacea [40]. Abbreviation: my, millions of years ago. Key: , Halocercus delphini; , Stenurus ovatus; , Stenurus globicephalaeBack to article page