ornithorhynchus
ornithorhynchus defined in 1951 year
ornithorhynchus - ornithorhynchus;ornithorhynchus - The Duckbilled Platypus, a very primitive monotreme mammal of Australia.
near ornithorhynchus in Knolik
| ornithischia | home letter "O" start from "OR" | orthogenesis |
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