Kollikodon
| Kollikodon ritchiei Temporal range: Early Cretaceous
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| Family: | †Kollikodontidae Flannery, Archer, Rich & Jones, 1995
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| Genus: | †Kollikodon Flannery, Archer, Rich & Jones, 1995
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| Species: | †K. ritchiei
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| Kollikodon ritchiei Flannery, Archer, Rich & Jones, 1995
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Kollikodon ritchiei is a fossil monotreme species. It is known only from an opalised dentary fragment, with one premolar and two molars in situ. The fossil was found at Lightning Ridge, New South Wales, Australia, as was Steropodon.
Kollikodon lived in the lower Cretaceous period, during the middle Albian age (100–104 million years ago).
Like Steropodon, Kollikodon was a relatively large mammal for the Mesozoic. The molars have a length of around 5.5 mm and a width of between about 4 and 6 mm (Clemens et al., 2003). Based upon these data, the potential body length could be up to a metre. Assuming the accuracy of such a guess, Kollikodon would be a contender for the largest Mesozoic mammal known, along with other possible giants such as Repenomamus, Schowalteria, and Bubodens.
Aside from its size, it is difficult to say what Kollikodon looked like. However, it may have been at least partly aquatic, as its strange teeth would work well for crushing shellfish.
Both Kollikodon and Steropodon can be found at the Australian Museum in Sydney, along with Eric, the opalised pliosaur.
Origin of Kollikodon's name
Kollix is an ancient Greek word for a bread roll. The strange teeth of Kollikodon, when seen from above, resemble hot cross buns, traditionally toasted and eaten on Good Friday. Originally, Dr Mike Archer wanted to name it "Hotcrossbunodon", but met disapproval from his associates.[1]
See also
External links
- Australian Museum online: Lightning Ridge Opal fossils from Oz.
- Australian Museum online Some observations on Hotcrossbunidon.
- Australian Museum online, Collection Highlights
References
- ^ Long JA, Archer M, Flannery T & Hand S (2002). Prehistoric mammals of Australia and New Guinea: One hundred million years of evolution. Baltimore, Maryland: Johns Hopkins University Press. p. 39. ISBN 0-8018-7223-5.
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- Flannery, T.F., Archer, M., Rich, T.H., Jones, R. (1995) "A new family of monotremes from the Cretaceous of Australia". Nature 377: 418-420.
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