Assorted Sperm Whale (Physeter macrocephalus) teeth from lower jaws of beached Sperm Whales in the mid-riff region of the Gulf of California (Sea of Cortez), Mexico.

sperm whale physeter macrocephalus cachalote cachalot odontocete toothed cetacea cetacean warm blooded gulf of california sea cortez mexico physteridae sperm physteridae tooth relic remain ocean oceanic sealife marine teeth mexican tropic tropics tropical central america central american northern hemisphere physeteridae skeleton skeletal artefact beach shore coast coastal group selection collection