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Author Archives: David Marshall

Episode 62: The Tully Monster

March 18th, 2016 | by David Marshall

Tullimonstrum gregarium, better known as the ‘Tully Monster’ is a problematic fossil from the Late Carboniferous Mazon Creek lagerstätte, Illinois, USA. [&hellip


Episode 52: Melanin

September 28th, 2015 | by David Marshall

Melanin is a pigment that is found across the animal kingdom. Melanosomes, the organelles that contain melanin, have been found [&hellip


Episode 51: Eurypterids

September 1st, 2015 | by David Marshall

Eurypterids, or ‘sea-scorpions’ are an extinct group of chelicerates: the group containing the terrestrial arachnids (such as spiders and scorpions) [&hellip


Episode 50: Rangeomorph Reproduction

August 14th, 2015 | by David Marshall

On today’s episode we’re revisiting Mistaken Point, Newfoundland, Canada. At this lagerstätte it is possible to find large bedding planes full of Precambrian organisms [&hellip


Episode 49: Synapsids

July 31st, 2015 | by David Marshall

Synapsids are one of the major groups of terrestrial vertebrates. They first appear in the Carboniferous period and since that [&hellip


A Piece of Earth History in my intestine?

July 20th, 2015 | by David Marshall

New Study: Constraining the Deep Origin of Parasitic Flatworms and Host-Interactions with Fossil Evidence Many humans or their pets have [&hellip



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