Discover and read the best of Twitter Threads about #sponge
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The #Cambrian Explosion marks the first appearance of many animal phyla in the #fossil record, but just how radical was it? I'm starting a new #FossilFriday thread where I post Cambrian fossil representatives of one phylum per week. Join me on this trek across the tree of life 
Let's begin with #Annelida. In the #Cambrian these come mainly from deposits of exceptional preservation. Polychaetes and sipunculids, including species with potential affinities to living families, are represented.
#FossilFriday
#FossilFriday
Image references:
Canadia - Parry & Caron 2019
Dannychaeta - Parry et al. 2020
Kootenayscolex - Nanglu & Caron 2018
Archaeogolfingia and Cambrosipunculus - Huang et al. 2004
Canadia - Parry & Caron 2019
Dannychaeta - Parry et al. 2020
Kootenayscolex - Nanglu & Caron 2018
Archaeogolfingia and Cambrosipunculus - Huang et al. 2004
Yesterday, on the 1st day of the UK's #COVID19 lockdown, I started posting a daily #deepsea fact on my instagram (@diva_amon) to help amaze/excite/distract. Will cross-post them here also. Feel free to add comments/questions/etc. & I'll try to get to them #DivasDailyDeepSeaFact
DAY 1: The test used to diagnose #COVID19 & other pandemics was developed with the help of an enzyme isolated from a #microbe found in #DeepSea #HydrothermalVents & freshwater hot springs.
Video: @NERCscience @adrg1.
Fact: @WHOI.
#DivasDailyDeepSeaFact
whoi.edu/news-insights/…
Video: @NERCscience @adrg1.
Fact: @WHOI.
#DivasDailyDeepSeaFact
whoi.edu/news-insights/…
DAY 2: #DeepSea life can be slow. Case in point: the Greenland #shark (Somniosus microcephalus) can live for >400 years & only becomes sexually mature at >150 years old. Yes, it took me a grand total of 2 posts to start talking about sex. I blame @Marahh2o. Video: @oceanexplorer
