Friday mystery object #115

Hello all!

With Mr Viscardi away this week it falls to me once more to take his place as Master of Mystery, and for the first time ever (I think) Friday Mystery Object is not being hosted on Zygoma. Just because it’s easier for me to run it from here, leaving Paolo free to enjoy his week off. I hope you found the place OK, do make yourselves at home.

This week’s mystery object comes from a box in the Horniman‘s stores containing a fairly random assortment of skulls (within a narrow, museum definition of ‘random’, of course (ie various animals from the same end of the phylogenetic tree)). Because nobody managed to correctly identify my last mystery object, I’ve decided to be kind this time and include two images, complete with scale bars. I’m spoiling you.

The rules are the same as usual: please join in with guesses and clues, and I will post the answer here on Monday morning.

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28 thoughts on “Friday mystery object #115

  1. So I’m racking my brain for a massive lizard that eats hard things (snails maybe) as part of its diet that would explain those teeth… Doesn’t have the nostrils of a varanid I think, and Caiman lizards are even more durophagously specialised. I’ll think on.

  2. So let’s see. Firstly, this is a reptile, and many types of reptile are immediately ruled out by the general shape. We can rule out a tuatara, because the lack of an obvious parietal foramen, so it’s a lizard of some kind.

    The odd thing about it, lizard-wise, is the shape of the teeth, which (to my more mammalogically inclined eye) look quite different from what you’d normally expect for a lizard… to avoid giving too much away this early in the morning, I won’t say why, but I suspect its fairly apparent anyway.

    Still, this unusual pattern, combined with the general head shape, would lead me to suspect some kind of agamid, albeit a relatively large one. That’s as far as I can get right now.

  3. This dragonish dude likes his escargot
    Named after an archosaur – yet he’s not
    He looks confused, but kindly grant
    He shares a name with a houseplant!

    *apologizes and promises never to post in rhyme ever again*

  4. Oh wow, I got that it’s a reptile! Meanwhile people much more knowledgeable than me have gone way past that. However, in searching for reptile skulls I did discover “skull identification for the naturist” …

  5. Definitely a diapsid, and not an archosaur (no mandibular fenestra). Odd teeth for the average lizard- so it probably eats something hard. Its quite large too. A species of Cyclodomorphus?

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