Trilobite slides 1 · Image from trilobites.info 7 Cambrian origins Cambrian arthropods (Dr David...
Transcript of Trilobite slides 1 · Image from trilobites.info 7 Cambrian origins Cambrian arthropods (Dr David...
12/8/20
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Trilobites: An Introduction
Palaeontologist, Hidden HorizonsDirector, Yorkshire Fossil Festival
Dr Liam Herringshaw
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Welcome!
Visit trilobites.info – it’s brilliant!Which specimen catches
your eye?
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What is a trilobite?
Edward Llwyd’s flatfish (1698)
Ogygiocarella debuchiCarmarthen, Wales
(images from NationalMuseum of Wales)
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What is a trilobite?
(image from WikimediaCommons)
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Trilobites = arthropods
Regier et al. (2010) https://www.nature.com/articles/nature08742
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Trilobite variety
Which one of your 13 might NOT be a trilobite?
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Agnostics & paradoxes
Image from trilobites.info
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Cambrian originsCambrian arthropods (Dr David Legg)
Cambrian trilobites(Paterson et al., 2019)
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Ordovician diversity
AsaphuscornutusOrdovician,St Petersburg
Anything note-worthy about it?
Also: Cybeloides girvanensis, Geragnostus callavei, Onnia superba
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Silurian splendour
Dudley Bug and the Black Country beauties
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On a Moroccan roll
Trilobites from the Devonianof Morocco
LapworthMuseum of Geology, Birmingham
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End = Permian
Image from trilobites.info
(image from Wikimedia Commons)
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Next week:
Today’s slides are onwww.fossilhub.org
Heads or tails?
Trilo-sight
Trilobite life
Paralejurus, DevonianMorocco(WikimediaCommons)
Q. What do you call a trilobite with no eyes?
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