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Fig. 1 | Frontiers in Zoology

Fig. 1

From: Evolutionary transformation of mouthparts from particle-feeding to piercing carnivory in Viper copepods: Review and 3D analyses of a key innovation using advanced imaging techniques

Fig. 1

Overview of evolutionary relations, feeding modes, species diversity, depth distributions, and mandible and ventral tooth form of Viper copepods (Heterorhabdidae, Calanoida). Phylogeny after Ohtsuka et al. [9] and (Hirabayashi et al. [10]), feeding modes from Ohtsuka et al. [9], species diversity from WoRMS (http://www.marinespecies.org/, July 2017), ocean depth ranges from Ohtsuka et al. ([9]; B- Bathypelagic, M- Mesopelagic, E- Epipelagic), SEM images from Ohtsuka et al. [9], drawings by TK. Asterisk: inferred origin of poison-injection system (Hirabayashi et al. [10]), Dashed circle: ventral tooth

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