Predator-Prey Relationships Coral Reefs Coastal Ecosystems Food Chains Ocean Life Biodiversity Antarctic Ecosystems Coastal Areas Coral Ecosystems Deep-Sea Ecosystems Shark Populations Impact of Climate Change Kelp Forests Invasive Species Southern Ocean Impact of Human Activity Keystone Species Pollution Nutrient Cycling Wildlife Conservation Decomposition Arctic Ecosystems Aquatic Life Food Webs Ancient Ecosystems Shark Conservation Deep Sea Benthic Organisms Ocean Health Fish Stocks Biodiversity Loss Oyster Reefs Human Impact Antarctic Ecosystem Oceanography Impact of Disease Phytoplankton Wadden Sea Wildlife Management Arctic Ocean Ancient Oceans Oyster Populations Baltic Sea Impact of Wind Energy Monterey Bay Seagrass Meadows Threatened Species Deep Sea Ecosystems Fisheries Coastal Communities Shark Habitats Predatory Species Puget Sound Aquatic Invasive Species Habitat Preservation Impact of Icebergs Shark Predation Tropical Seas Whales Environmental Impact Animal Interactions Phytoplankton Blooms Ocean Predators Fish Populations Protection Agreements Bird Habitats Oil Spill Impact Seabird Mortality Events Ancient Marine Ecosystems Mediterranean Marine Life Oceanic Changes Impact of Captivity Microbial Ecology Shark Nurseries Social Structures Seals Great Barrier Reef Sub-Antarctic Islands Bacteria Bay Health Subseafloor Ecosystems Thallium Impact Arctic Marine Life Whale Habitats Extreme Environments Seagrass Beds Planktonic Communities Seagrass Ecosystems North Pacific Ocean Deep Ocean Impact of Tourism Shark Behavior New York Bight Pacific Ocean Food Supply Shellfish Reefs Oysters Impact on Wildlife Invasive Species Management Strait of Juan de Fuca
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Fourteen teeth assigned to five extinct taxa indicate a nutrient‑rich Late Cretaceous shelf driven by upwelling, prompting further study of species' age and range.
