This family was created by John Edward Gray (1800-1875) in 1825 and contains today nothing any more but one kind of only one species: Ornithorhynchus anatinus (Shaw, 1799), of the Ornithorhynchus Blumenbach, 1800.
There were other species, now disappeared, in this family:
| Random links: | Cemetery of Montmartre | Brunelliaceae | Vine growing in Austria | Erkan Oğur | Ugo Cavallero |