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Topic
Asiamericana
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Overview
Asiamericana is a dubious genus of coelurosaur known only from isolated teeth found in the Bissekty Formation of Kazakhstan. It was named to recognize the occurrence of similar fossil teeth in Central Asia and North America. These regions once formed a connected land mass, during the Cretaceous period.
Discovery and naming
The holotype teeth were discovered during the Uzbek-Russian-British-American-Canadian (URBAC) expedition by Lev Alexandrovich Nessov between 1974 and 1985 and were first described by Nesov (1985). The type species is A. asiatica, which was named and described by Nesov (1995).
The holotype of A. asiatica is CCMGE 460/12457, and two other teeth (ZIN PH 1110/ 16 and ZIN PH 1129/16) are also known. All three teeth are known from the CBI-14 site of the Bissekty Formation of Kazakhstan.
Description
The teeth themselves are straight, lack a constriction at the base, and lack serrations.