The specimen this week might be small, but it’s pretty important in the history of natural history. These two little pieces of fossil bone are from the collection of the early 19^th century surgeon and palaeontologist Gideon Mantell. Specimen of the week is…

Iguanodon Bones from Gideon Mantell’s collection LDUCG-X1606

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Thylacoleo skull cast LDUCZ-Z3167

1) Large lion-shaped predators were living in Australia until around 50,000 years ago – lion-shaped, but not lions. This is because there were no wild cat species in Australia*, and up until 3-5000 years ago when the dingo arrived with Polynesian traders, all large Australian mammals were marsupials. One such beast was Thylacoleo carnifex, the “marsupial lion”. Alongside this big predator lived “marsupial rhinos” (diprotodons), giant kangaroos, giant echidnas, “marsupial tapirs” (Palorchestes) and giant wombats (Phascolonus). All in all, Australia used to have much bigger animals than it does now.

2) It is believed that marsupial lions diverged from the branch of the marsupial tree that led to wombats and koalas. (more…)

LDUCZ-X227 Thalassiodracon hawkinsi (C)UCL. Photo by Colin Dunn of Scriptura

This week’s Specimen of the Week is one of the largest single objects in the Grant Museum, but it is one which is often overlooked. Tucked away along the wall behind the large elephant skull, many who visit the Museum miss it as they are drawn to the illuminated cave which is the Micrarium. The warm glow of over 2300 backlit microscope slides attracts the eye, but also diverts attention from the dim end-of-corridor/rope-barrier/back-entrance-to-the-office area which is home to the specimen of which I speak.

This week’s Specimen of the Week is…

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