Ornithorhynchus maximus

Taxobox
name = "Ornithorhynchus maximus"
fossil_range = Late Pliocene - Late Pleistocene
regnum = Animalia
phylum = Chordata
classis = Mammalia
subclassis = Prototheria
ordo = Monotremata
familia = Ornithorhynchidae
genus = "Ornithorhynchus"
species = "O. maximus"
binomial = "Ornithorhynchus maximus"
binomial_authority = Dun 1895

"Ornithorhynchus maximus" was a platypus from the Late Pliocene to Late Pleistocene. Some scientists believe it is an aquatic version of an echidna whereas others still believe that it is a platypusFact|date=September 2008.

References

* Hall, B. K., 1999, "The Paradoxical Platypus", BioScience, Vol. 49, No. 3 (Mar., 1999), pp. 211-218