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plesiosaur
plesiosaur
Danh từ
Số nhiều: plesiosaurs
This term is used primarily in paleontological and scientific contexts to describe a specific group of extinct marine reptiles. It carries a neutral, descriptive tone and is most frequently encountered in museum catalogs, academic papers, or educational texts regarding the Mesozoic era.
Because it refers to a biological species, the word follows standard English countability rules for animals. It is distinct from other prehistoric marine reptiles, such as ichthyosaurs or mosasaurs, specifically due to the characteristic long neck and flipper-based locomotion associated with the plesiosaur body plan.
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reptiledinosaurmarineaquaticprehistoricextinctfossilpaleontologymesozoicjurassiccretaceoustriassicoceanseapaddleflipperneckjawtoothscaleskeletonboneichthyosaurpredatorcarnivorepreyfishcephalopodammonitecrustaceanwatercurrentdepthabysscoastlinesedimentshalelimestoneexcavationdigmuseumspecimentaxonomygenusspeciesevolutionadaptationanatomymorphologyvertebratesauropsiddiapsidcladephylogenyextinctionepochperioderageologystratigraphycarbon datingmineralizationpetrification