Both were Late Cretaceous hadrosaurs of North America, but Maiasaura lacked the dramatic cranial crest of Parasaurolophus.
Maiasaura is famous for evidence of parental care โ nesting colonies show it fed and protected its young.
Parasaurolophus's crest was a resonating chamber for vocalization; Maiasaura communicated through other means.
Maiasaura (9 m, ~4,000 kg) was slightly larger than Parasaurolophus (9.5 m, ~2,500 kg).
Maiasaura's name means 'good mother lizard'; Parasaurolophus means 'near crested lizard'.
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Did You Know? fun facts
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Did You Know?
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Both Maiasaura and Parasaurolophus were herbivores.
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Both dinosaurs lived during the Cretaceous Late period and may have coexisted.
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Parasaurolophus was discovered 57 years earlier, in 1922.
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Both belong to the Hadrosauridae clade, making them relatively close relatives.
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Related comparisons
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