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Evolution And Functional Morphology Of The Cephalic Lobes In Batoids, Samantha Lynn Mulvany
Evolution And Functional Morphology Of The Cephalic Lobes In Batoids, Samantha Lynn Mulvany
USF Tampa Graduate Theses and Dissertations
Cephalic lobes are unique structures derived from the anterior pectoral fins, found in select myliobatid stingrays. Many benthic batoids utilize undulatory locomotion and use their pectoral fins for both locomotion and prey capture. Pelagic myliobatids that possess cephalic lobes utilize oscillatory locomotion, using their pectoral fins to locomote and their cephalic lobes for prey capture. Despite differences in habitat usage and locomotor modes, these batoids feed on very similar benthic organisms. The purpose of this study was to 1.) compare the morphology of the cephalic lobes and anterior pectoral fins in lobed and lobeless species, looking at skeletal elements, musculature …