[Coral-List] coral ancestors
Risk, Michael
riskmj at mcmaster.ca
Wed Jul 27 20:48:11 UTC 2022
Monocraterion's a Cerianthid burrrow, probably...it is reliably found
to the LOwer Cambrian, and less reliably to the PC.
(Hi Vlad.)
__________________________________________________________________
From: Coral-List <coral-list-bounces at coral.aoml.noaa.gov> on behalf of
Kosmynin, Vladimir via Coral-List <coral-list at coral.aoml.noaa.gov>
Sent: Wednesday, July 27, 2022 3:49 PM
To: douglasfennertassi at gmail.com <douglasfennertassi at gmail.com>
Cc: coral-list at coral.aoml.noaa.gov <coral-list at coral.aoml.noaa.gov>
Subject: [Coral-List] coral ancestors
Hi Doug,
Thank you for sending the link to interesting article. Just a short
note on the subject of the article. Nice artistic reconstruction of
fossil polyp. However, I doubt that mentioned in the article organism
is the oldest known relative to living animals. It is not the oldest
known organism that can be considered a predecessor of modern Cnidaria
either. Fossils of Vedian-Ediacarian time (~570-680 mln yr ago) had
notions of single and colonial polyps, and meduzoid organisms from the
time of description of Vendian period, and some of meduzoids were
gigantic in size, like of ~ 1 m in diameter. So, just to make sure that
readers of our list (those who are not paleontologists) wouldn't think
that this is a new discovery of coral ancestors. Polyps of Vendian
period known for 60-70 years, from the time Russian paleontologist
Boris Sokolov introduced that period and described it's fauna.
I guess somebody in our list is "real" coral paleontologist and may
provide better comments on modern views of coral ancestry as well as
about the finding described in the article.
Best,
Vladimir N. Kosmynin
Message: 2
Date: Tue, 26 Jul 2022 08:23:39 -0700
From: Douglas Fenner
<douglasfennertassi at gmail.com<mailto:douglasfennertassi at gmail.com>>
To: coral list
<coral-list at coral.aoml.noaa.gov<mailto:coral-list at coral.aoml.noaa.gov>>
Subject: [Coral-List] oldest known relative of corals discovered and
named
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David Attenborough gets a namesake: the oldest known relative of living
animals
560 million-year-old creature shares traits with both modern jellyfish
and corals
[1]https://secure-web.cisco.com/1qclltK8c_44MZkZO71EooFkxJ65acpgi0lAln1
uSFZmUqqzAQVw5GrzE0OksgFqo053pPiJXwBLuprS4dkbVJhmUA9pl53j18I74nGilzbi9m
wG3SDkGpf6q-5hGfi791eNKaDEFCZiy-wCcn0i-UbKkD_oHxjEa5yzpOISXR_xj7jlBpyRC
qP-vBdbRCgyroOHJ6-jYQ7Zcr67APXlTr5Y50SU-Sba-aSk5AsFVuwnNYKscV3TeOtw__Z8
OA1FEoHfnTI0ULePLyCvVTcAbyw59h6eoVSf7ZvyP0NaHZkUmwRltnD-chwRufXtV-mc5jg
iKJzO691pg6VpdmoomDg/https%3A%2F%2Fwww.science.org%2Fcontent%2Farticle%
2Fdavid-attenborough-gets-namesake-oldest-known-relative-living-animals
Fossil found in the UK
Cheers, Doug
--
Douglas Fenner
Lynker Technologies, LLC, Contractor
NOAA Fisheries Service
Pacific Islands Regional Office
Honolulu
and:
Coral Reef Consulting
PO Box 997390
Pago Pago, American Samoa 96799-6298 USA
[Dep Customer
Survey]<[2]http://survey.dep.state.fl.us/?refemail=Vladimir.Kosmynin@Fl
oridaDEP.gov>
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2. http://survey.dep.state.fl.us/?refemail=Vladimir.Kosmynin@FloridaDEP.gov
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