Cetacea sp. (specimen 22)

Juvenile dolphin or porpoise vertebra (Cetacea sp.) from the Eocene epoch

Trichechus manatus (specimen 20)

Manatee tooth (T. manatus) from the Pleistocene epoch

Whale inner ear cast (Cetacea sp.) from the Eocene epoch

Dolphin tooth (Delphinidae sp.) from the Miocene epoch

Dolphin or porpoise possible inner ear cast (Cetacea sp.) from the Miocene epoch

Dolphin or porpoise rib fragments (Cetacea sp.) from the Miocene epoch

Dolphin prexmaxillary rostrum fragments (Delphinidae sp.) from the Miocene epoch

Dolphin or porpoise vertebrae fragments (Cetacea sp.) from the Miocene epoch

Juvenile dolphin or porpoise vertebra (Cetacea sp.) from the Miocene epoch

Walrus tooth (O. rosmarus) from the Pleistocene epoch