Palaeo After Dark

The gang discusses two papers that look at interesting new arthropod fossil finds. The first paper is the discovery of a new early arthropod which complicates our understanding of their evolution, and the second paper is a large deposit of trace fossils which could be caused by mass arthropod molting. Meanwhile, James has issues with formatting, Amanda’s cat is a butt, and Curt has some important legal disclaimers to share.

 

Up-Goer Five (Curt Edition):

Our friends talk about some animals with many legs that lived in the water and lose their hard skin a long time ago. The first paper is talking about a new type of these animals from a very long time ago which has a lot of different parts on it which look like parts that are found in different animals from around that same time. It has really long arms and also five eyes. These very different parts that don't look like they go together means that it can tell us a lot about how these animals with many legs that lose their hard skin have changed over time. And then our friends run out of things to talk about.

The second paper looks at marks left in the broken up bits of rock. These marks were probably made by one of these animals with many legs that was in the middle of breaking out of its hard skin. The marks look the animals put their bottoms in the ground as they broke out of their skin. Also, the type of broken up bits of rock leads the people who wrote the paper to think that these animals might be moving to place that is not great to live in in order for them to be safe when they break out of their skin. They find lots of marks in the broken up its of rock all at the same time. This might mean that the animals that made these marks were able to move into these places just to break out of their skin.

 

References:

Mángano, M. Gabriela, et al.  "Paleoecologic and paleoenvironmental implications of a new trace fossil  recording infaunal molting in Devonian marginal-marine settings." Palaeogeography, Palaeoclimatology, Palaeoecology 561 (2021): 110043.

Zeng, Han, et al. "An early Cambrian euarthropod with radiodont-like raptorial appendages." Nature 588.7836 (2020): 101-105.

Direct download: Podcast_204_-_Cool_Arthropod_Bro.mp3
Category:general -- posted at: 3:00am EDT

The gang celebrates the end of the year by taking another break to play Fiasco, a crime/noir storytelling game by Bully Pit Games.

 

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Music from Kevin MacLeod (incompetech.com)
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Direct download: Podcast_203c_-_Mars_Inc_Part_2.mp3
Category:general -- posted at: 3:00am EDT

The gang celebrates the end of the year by taking another break to play Fiasco, a crime/noir storytelling game by Bully Pit Games.

 

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“Mars Inc.” is a story of greed, chaos, and unlikely revolutionaries.

 

Music from Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/

Direct download: Podcast_203b_-_Mars_Inc_Part_1.mp3
Category:general -- posted at: 3:00am EDT

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