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Fig. 1 | BMC Biology

Fig. 1

From: Coevolution of the olfactory organ and its receptor repertoire in ray-finned fishes

Fig. 1

Diversity of olfactory receptor gene repertoire in ray-finned fishes (Actinopterygii). Time-calibrated phylogeny from https://fishtreeoflife.org/. For each species, a barplot represents the number of OR, TAAR, OlfC, and ORA genes. Where available, number of olfactory lamellae is indicated. Branches associated with two highest birth rates and two highest death rates are indicated by diamond and oval symbols, respectively. Branch color code: red, Polypterus senegalus; brown Erpetoichthys calabaricus; light blue Polyodon spathula; dark blue Acipenser ruthenus; yellow Amia calva; dark green Atractosteus spatula; light green Lepisosteus oculatus; black teleosts. The phylogeny was visualized using iTOL. Distribution of the total number of olfactory receptor genes per species is shown in center of figure

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