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| | troodontidae (Site not responding. Last check: 2007-09-07) |
 | | The ultimate taxonomic survivor, Troodon started scientific life as a lizard species based on distinctive teeth, then was reclassified as a pachycephalosaurian, first as a synonym of Stegoceras, then as a dubious tooth taxon. |
 | | For a short period of time ending in the early 1980s, it was thought to be a carnivorous hypsilophodont (ironically, eggs once attributed to the hypsilophodont Orodromeus were recently thought to belong to Troodon, but new nests show they could not belong to it, but instead pertain to a currently-unknown theropod. |
 | | Later, a partial jaw was found containing Troodon teeth, and it was found to be the same (or maybe not!-stay tuned for future developments) animal as a "saurornithoidid" named Stenonychosaurus inequalis Sternberg, 1932. |
| personal2.stthomas.edu /jstweet/troodontidae.htm (1038 words) |
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