Ornithorhynchidae

From Academic Kids

Platypi
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Monotremata
Family:Ornithorhyncidae
Genera

Obdurodon (extinct)
Ornithorhynchus

Ornithorhyncidae is one of two families in the order Monotremata, and contains all species of platypus. (The other family is the Tachyglossidae, or echidnas). Within Ornithorhynchidae are two genera, Obdurodon and Ornithorhynchus:

Another two genera, Steropodon and Teinolophos may also be part of the family Ornithorhynchidae. However, they are both very ancient, and scientific literature seems to indicate that they are closely related to, but not a part of, the Ornithorhynchids.zh:鸭嘴兽科

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