# mosasaurmonday tylosaurustuesday

I missed but I'm going to cheat with

Something that became striking to me recently is that mosasaurs ascribed to the genus Tylosaurus have an incredibly long temporal range.

Coniacian to the Maastrichtian

That's like 22 million years.

6 51
2020-04-29

For check out this Globidens, a unique-toothed, inferred shell-crushing mosasaur, compared to the Nile Monitor, a known opportunist that sometimes eats shellfish.

Nile Monitor figure: D'Amore, 2015. J Anat.
Globidens jaw figure: Mike Everhart. Oceans of Kansas

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2020-02-04