Explore tens of thousands of sets crafted by our community.
Extinct Aquatic Creatures
20
Flashcards
0/20
Ichthyosaurus
Description: A dolphin-like marine reptile with large eyes and a streamlined body. Time Period: Early Jurassic to Late Cretaceous
Elasmosaurus
Description: A marine reptile with an extremely long neck. Time Period: Late Cretaceous
Liopleurodon
Description: A large, short-necked plesiosaur known for its immense size and power. Time Period: Middle to Late Jurassic
Mosasaurus
Description: A large, predatory marine lizard with a powerful jaw and conical teeth. Time Period: Late Cretaceous
Megalodon
Description: An enormous prehistoric shark, one of the largest fish that ever lived. Time Period: Miocene to Pliocene
Dunkleosteus
Description: A gigantic armored fish known for its sharp bony plates in its jaws instead of teeth. Time Period: Late Devonian
Anomalocaris
Description: An ancient arthropod with large eyes and a circular mouth with blade-like teeth. Time Period: Cambrian
Plesiosaurus
Description: A marine reptile with broad flippers, a short tail, and typically a long neck. Time Period: Early Jurassic
Ammonite
Description: An extinct group of marine mollusc animals in the subclass Ammonoidea. Time Period: Devonian to Cretaceous
Hallucigenia
Description: A bizarre and puzzling prehistoric animal with a row of spikes on its back and tentacle-like legs. Time Period: Cambrian
Basilosaurus
Description: An early whale that was long and serpent-like. Time Period: Late Eocene
Wiwaxia
Description: A small, soft-bodied organism covered with spines and scales. Time Period: Mid-Cambrian
Opabinia
Description: An unusual prehistoric creature with five eyes and a long nozzle with a claw at the end. Time Period: Middle Cambrian
Stethacanthus
Description: A prehistoric shark with a distinctive anvil-shaped dorsal fin. Time Period: Devonian to Carboniferous
Archelon
Description: The largest sea turtle species ever discovered, with a leathery carapace instead of a hard shell. Time Period: Late Cretaceous
Placodus
Description: A marine reptile with a body shape resembling that of a modern-day seal and specialized teeth for crushing shells. Time Period: Triassic
Nothosaurus
Description: A marine reptile with limb adaptations for swimming, resembling a cross between a seal and a lizard. Time Period: Middle to Late Triassic
Tylosaurus
Description: A large mosasaur that was a fearsome predator in the marine environments it inhabited. Time Period: Late Cretaceous
Tanystropheus
Description: A reptile with an exceptionally long neck that may have been used for fishing. Time Period: Middle Triassic
Helicoprion
Description: A prehistoric shark-like fish known for its unusual 'tooth whorl' located on the lower jaw. Time Period: Carboniferous to Permian
© Hypatia.Tech. 2024 All rights reserved.