Sumrall lab group @UTKnoxville studies evolution and ecology in the Paleozoic w/ a focus group of echinoderms. Also Bird-Nerd.
Joined January 2018
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267 Photos and videos
19 May 2023
Finally found a brittle star (2 plates) in the Coon Creek material. The preservation is amazing. The plates have no calcite cements and are still white! #FossilFriday #Cretaceous #echinoderms
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31 Mar 2023
Looking for brittle star ossicles in the Cretaceous Coon Creek Fm. famed for outstanding preservation. No brittle stars - yet - but the echinoderm preservation is stunning. This is a fragment of a heart urchin and the stereom is not per mineralized.#Echinoderms #FossilFriday
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7 Dec 2022
“Study guide” when the subject you’re studying is “The entire tree of life.”
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12 Oct 2022
Awesome paper just out by #UglyFossils and others on a fantastic dinosaur mummy. Enjoy!
journals.plos.org/plosone/ar…
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12 Oct 2022
An artifact from the first Friends of the #Echinoderms meeting in the new format. It was a great success. Thanks to all of the fantastic people who helped organize the event and looking forwards to many more in the future.
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29 Sep 2022
Just in case you were wondering if any invertebrates have vertebrae, here you go. This is a vertebral element from the #ophiuroid Ophiura. These are fused ossicles (note the suture along the midline) that core the arms #Echinodermata
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8 Aug 2022
Linda and I rescued a Fish Crow tangled in fishing line. Luckily we had nail clippers in the car. Interestingly, several other crows were there apparently trying to help it. It was one stressed out bird but flew away just fine.
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24 Jul 2022
We had an unusual visitor to the area in Anderson Co., TN yesterday, an Anhinga. This bird looks a lot like a cormorant but has a different bill shape, lots of white plumes on the back and wings and a much longer tail. While common along the coast, they rarely get up here.
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28 Jun 2022
Not a fossil, though I did find it on a Permian outcrop among the brachiopods and crinoid stems. Reminds me of my childhood in Phoenix. Passing over to the Mississippi Valley today.
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25 Jun 2022
Made it to Oklahoma … cystis. Quick stop in the Bromide Formation for paracrinoid fun. Collected some bulk material too. Off to the lower Pennsylvanian around Gore, OK
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25 Jun 2022
Finishing up the Texas leg of field work. We collected a lot of bulk samples to wash for brittle star microfossils. I find it a bit disturbing to not be able to see what we are looking for in the field but the fancies seem good. Thanks to Pete Holterhoff!
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22 Jun 2022
More Eocene along the Brazos River (the brachiopod-shaped fossil is a clam) then to the coast to study the infaunal brittle star Microphiopholis atra. This ophiuroid has extremely long arms and a tiny disk
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21 Jun 2022
Looking for fossil brittle star ossicles in the Eocene Weches Fm. This is the first research fossil hunting I have ever done in the #Cenozoic.
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21 Jun 2022
Just starting two weeks of field work with Nick Smith. On our way to Texas had dinner with @UTK_EPS alum Mike DeAngelis in Little Rock at “Big Orange Burgers” then a walk at the #BigDamBridge
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2 Mar 2022
I had a paper come out today with Samuel Zamora, Imran A. Rahman, Adam P. Gibson and Jeffrey R. Thompson looking at a new #Cambrian #edrioasteroid that lacks calcified plating of the interambulacra. Enjoy! royalsocietypublishing.org/d…
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28 Feb 2022
The echinoid is Lepidesthes, note the lantern at 9:00, and the edrioasteroid is Hypsiclavus, note the anal pyramid at the top and the mouth on the bottom. Sorry it’s up side down. Love ‘em
28 Feb 2022
An echinoid (left) and an edrioasteroid (right) that only @Sumrall_Lab could love:
ALT two squashed fossils in the palm of a hand
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28 Feb 2022
Fair warning. This is the kind of shenanigans one has to put up with when working with @UglyFossils
28 Feb 2022
At this point, I'm just being a troublemaker.
ALT me touching a pile of a fossils next to a sign reading "Sumrall do not touch"
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Sumrall LabGroup retweeted
26 Feb 2022
@Sumrall_Lab and I took some students out to collect #fossils for their term-long research assignment today near Berea, Kentucky. (It's a #taphonomy project!)
ALT students surface collecting fossils
ALT quadrat sampling for fossils at the same locality
ALT Colin and students around the quadrat, me to one side
ALT surprise dogs crashing our group picture
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Sumrall LabGroup retweeted
27 Feb 2022
Same song, second verse, a little bit louder and a little bit worse!
Field trip part two, again with @Sumrall_Lab and our undergraduate seminar students. #paleontology #fieldwork #fossils
ALT students around quadrat
ALT students and Colin Sumrall surface collecting fossils
ALT Colin and student surface collecting
ALT handful of some of the day's fossils, including blastoids, crinoids, brachiopods, bryozoans, etc.
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