In Depth Before the description of Teinolophos in 1999, Steropodon was considered to be the earliest ancestor of the platypus. Comparison to mammals like the platypus has yielded body estimates of around forty to fifty centimetres long, something that would make Steropodon one of the larger known mammals of the early Cretaceous period. If Steropodon … Read more
In Depth Kollikodon shares four things with another monotreme called Steropodon. One is that they were both related to the modern day platypus. Two is that they are both known from the same fossil formation. Three is that both of these genera have been described only from partial jaw bones. Four is that both of … Read more
In Depth Further Reading - Taxonomy and detailed description of Zaglossus hacketti. - Records of the Western Australian Museum 1(3):244-248. - L. Glauert - 1914.