Tullimonstrum
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Tullimonstrum, colloquially known as the Tully monster or sometimes Tully's monster, is an extinct genus of soft-bodied bilaterian marine animal that lived in shallow tropical coastal waters of muddy
Tullimonstrum gregarium 4334
T. gregarium fossil (part and counterpart)
Nekton
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Nekton or necton is any aquatic organism that can actively and persistently propel itself through a water column without touching the bottom. They are generally aquatic animals with powerful tails and
Tullimonstrum
…a triangular tail fin, two long stalked eyes, and a proboscis tipped with a mouth-like appendage. Based on the fossils, it seems this creature was a nektonic carnivore that hunted in the ocean's water column. When Tullimonstrum was alive, Illinois was a mixture of ecosystems like muddy estuaries, marine…
Nekton (organisms that swim against water currents) can be contrasted with plankton (organisms that drift with water currents), neuston (organisms that live at the ocean surface) and benthos (organisms that live at the ocean floor)
Aerial view of Slapton Sands and northern part of Ley geograph.org.uk 1434412
Maldivesfish 2