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#FossilFriday The Holotype of Hyolithes baconi from the Ordovician Trenton Fm. in Rock County, WI. Hyolitha is a particularly enigmatic group, but was recently classified as a lophophorate, making it closely related to brachiopods. Type Collection @ucmpberkeley
古生代が揃ったのでまとめとく。
①An angel and a demon in Cambrian period(カンブリア紀)
②An angel and a demon in Ordovician period(オルドビス紀)
③An angel and a demon in Silurian period(シルル紀)
#GoodOmens #GoodOmensFanArt
New #taxonomy! Upper Cambrian and Lower Ordovician conodont biostratigraphy and revised lithostratigraphy, Boothia Peninsula, Nunavut 👀 over 640 conodont specimens, with 35 species = 16 genera + a new species, Rossodus? boothiaensis sp. nov.
https://t.co/jQwDodzqJU
Estimated at ~6m long, giant orthocone cephs in the Cameroceras genus were some of the largest in the late Ordovician/early Silurian!
Cameroceras ?sp
*Dates, colors, and exact morphology unknown
#MolluskMonday #SciArt #SciComm #PaleoArt
Sacabambaspis janvieri is an extinct armoured fish that swam the oceans during the Ordovician period. They had no jaws & reached 25cm in length.
(Credit: deviantart/xiphactinus)
Aphetoceras, a free-swimming, bottom-dwelling nautiloid from the Ordovician. The 1st artwork I ever shared to social media!
#CephalopodWeek #nautilus #paleoart #fossils #naturalhistory #sciart
Geochemistry of Late Ordovician dalmanelloid brachiopods from Laurentia: testing the effects of paleolatitudinal gradient
https://t.co/nyARgpQSfG
Progress made on my #acrylicpainting series Deep Time Dramas! Working to combine #paleoart and expression. Plenty more to go on these (including actually adding animals ofc)
1. The Devonian - love, connectivity
2. The Ordovician/Silurian Extinction - indecision, separation
Cold on the way to work this morning? Consider yourself lucky that you didn't live during the most extreme ice age of the last 550 My, at the end of the Ordovician Period. About 50% of marine genera went extinct, and stocks in the refrigeration industry plummeted. #paleoart
If the Earth is 4.543 billion yrs old, aren't today's Millennials actually Ordovicians?
#sciart Sunday: our January 2013 DD bulletin cover, the Late Ordovician rhombiferan "cystoid" *Lepadocystis moorei*
#SciArt Our very first bulletin cover art (Jan 2013):the Late Ordovician rhombiferan echinoderm *Lepadocystis moorei*
#SciArt Our March 2013 bulletin cover: a Late Ordovician oncocerid cephalopod eyes a tasty trilobite. In sepia tone!
#SciArt Our April 2013 bulletin cover: Late Ordovician (Katian; Richmondian) brachiopod *Eochonetes clarksvillensis*