What Makes A Dinosaur?
Due to a revolution in our understanding of the tree of life, birds are dinosaurs, while dimetrodons are not.
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Show Notes
To learn more about this topic, start your googling with these keywords:
- Systema Naturae: A 1735 book by Carl Linnaeus that outlined his hierarchical classification of animals.
- Plagiuri: an early,now disused, biological subclassification of fish used by Linnaeus that also included dolphins and whales.
- Anthropomorpha: a defunct taxon established by Linnaeus for genera Homo (humans), Simia (monkeys and apes in general) and Bradypus (sloths).
- Cladogram: A branching diagram showing the evolutionary relationship between species.
- Dimetrodon: An extinct carnivorous synapsid related to early mammals.
- Plesiosaur: An extinct marine reptile with a long neck related to modern snakes.
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