A slide showing a fragment of
platypus tooth from the
Grant Museum Micrarium

I have to admit that when I first encountered this object I didn’t recognise what it was until I read the label, which is scratched into the glass slide that houses it. I don’t feel too bad about that as it is essentially microscopic, and very few people have ever seen one of these specimens. It is among the very smallest objects in the Museum.

Unsurprisingly then, it is on display in the Micrarium – our place for tiny things. This beautiful back-lit cave showcases over 2000 of the 20,000 microscope slides in our care – it broke the mould for how museums display their slide collections.

I first wrote about the species featured on this slide in my first ever Specimen of the Week, but that was taxidermy – a real A-Lister compared to the miniscule, obscure fragment I have selected here. This week’s Specimen of the Week is…

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