Taphonomic and ecological insights from conspecific bite marks on Otodus megalodon teeth

Taphonomic and ecological insights from conspecific bite marks on Otodus megalodon teeth

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Although there is now good representation of shark-bitten bone in the fossil record, shark-bitten shark teeth are still exceedingly rare.A relatively small number of teeth of the Neogene megatooth shark Otodus megalodon (Otodontidae) preserve surface markings that were made when struck by the serrated cutting edge of another O.megalodon tooth.The serration marks are consistent with those of the ichnotaxon Knethichnus parallelum.

That these shallowly penetrating surface trace fossils were made as one O.megalodon tooth struck another is NEW NEFF T58UB10X0 80CM INDUCTION FLEX ZONE CERAMIC HOB confirmed by the preservation of fine parallel gouges made when the serrated cutting edge of one tooth impacted and raked the surface of the receiving tooth.The K.parallelum marks on O.

megalodon teeth could have been unintentionally self-inflicted, the result of one tooth striking another in the opposing jaw 2.5/3.5/6.5mm Audio Cables during forceful occlusion, collateral damage from feeding, or aggressive O.megalodon- on-O.megalodon facial biting (i.e.

, either from active predatory cannibalism, a feeding frenzy during scavenging, or as a result of a territorial dispute to establish a feeding hierarchy).