Putative avian teeth from the late cretaceous of alberta, canada, are more likely from crocodilians

HIGHLIGHTS

SUMMARY

The practice of referring isolated teeth to Aves began with Sankey et_al, who described teeth with straight, triangular, labiolingually compressed, and basally indented crowns,with or without carinae on their mesial and distal margins, and lacking denticles. Currie and Koppelhus identify bird teeth by their bulbous crowns, but it is now apparent that Hesperornis, Ichthyornis, and most putative avian teeth from the TMP and UALVP collections lack this feature. Avian teeth are more likely from crocodilians Examples with straighter crowns are similar to long, narrow crocodilian teeth positioned anteriorly in the jaw (Figs 3C . . .

 



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