[coccoliths] Help with microfossil identification

Wed Mar 3 12:23:40 -03 2021

Continental. There are extremely rare in Eocene based on my knowledge

Katarina

st 3. 3. 2021 v 14:12 odesílatel Juan Pablo Perez Panera <
perezpanera at gmail.com> napsal:

> I found it in Middle Eocene siltstones. Marine paleoenvironment around 150
> meters depth according to planktic forams relative abundance, but it also
> has high number of continental palynomorphs. Are those tecamebas
> continental or marine? And also, are there records of them in the Eocene?
> Cheers,
> Juan
>
> El mié., 3 de mar. de 2021 06:22, Buckman, James O <J.Buckman at hw.ac.uk>
> escribió:
>
>> No problem.  What was the depositional setting of this material and the
>> sediment type?
>>
>>
>>
>> Jim
>>
>>
>>
>> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
>> Windows 10
>>
>>
>>
>> *From: *Juan Pablo Perez Panera <perezpanera at gmail.com>
>> *Sent: *02 March 2021 11:24
>> *To: *Mailing list for INA members and other scientists working with
>> living or fossil nannoplankton <coccoliths at fcnym.unlp.edu.ar>
>> *Cc: *Buckman, Jim O <J.Buckman at hw.ac.uk>
>> *Subject: *Re: [coccoliths] Help with microfossil identification
>>
>>
>>
>>
>> ***************************************************************** *
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>>
>>
>> Nice. Thanks a lot. And many thanks to Jim!
>>
>>
>>
>> El mar., 2 de mar. de 2021 05:31, Poulton, Alex <A.Poulton at hw.ac.uk>
>> escribió:
>>
>> Hi. I spoke to Jim Buckman (copied in here) who is working on this group
>> – he suggest its Tracheleuglypha, possibly T. acolla.
>>
>> Best wishes, Alex
>>
>>
>>
>> *From:* Coccoliths <coccoliths-bounces at fcnym.unlp.edu.ar> *On Behalf Of *Juan
>> Pablo Perez Panera
>> *Sent:* 02 March 2021 03:22
>> *To:* Mailing list for INA members and other scientists working with
>> living or fossil nannoplankton <coccoliths at fcnym.unlp.edu.ar>
>> *Subject:* Re: [coccoliths] Help with microfossil identification
>>
>>
>>
>>
>> ***************************************************************** *
>> *Caution: This email originated from a sender outside Heriot-Watt
>> University. Do not follow links or open attachments if you doubt the
>> authenticity of the sender or the content. *
>> * *****************************************************************
>>
>>
>>
>> Hi Katarina,
>>
>> I googled it and you are rigth!
>>
>> Thanks!
>>
>>
>>
>> El lun., 1 de mar. de 2021 17:51, doc. RNDr. Katarína Holcová, CSc. <
>> katarina.holcova at natur.cuni.cz> escribió:
>>
>> It looks like  euglyphids (testate amoebae). In this case, plates are
>> siliceous
>>
>>
>>
>> Katarina
>>
>>
>>
>> po 1. 3. 2021 v 20:53 odesílatel Juan Pablo Perez Panera <
>> perezpanera at gmail.com> napsal:
>>
>> Hi all,
>>
>>
>>
>> Does anyone have any idea what this could be?
>>
>> I found them at the SEM in samples from the middle Eocene (Lutetian) of
>> Austral Basin (Argentina). It seems that it is not birefringent as I didn't
>> see them at the OM.
>>
>>
>>
>> Cheers,
>>
>> Juan
>>
>>
>>
>> Dr. Juan Pablo Pérez Panera
>>
>> CONICET
>>
>> División Paleozoología Invertebrados,
>>
>> Museo de La Plata, FCNyM, UNLP
>>
>> Paseo del Bosque s/n, 1900, La Plata
>>
>> Buenos Aires, Argentina
>>
>> perezpanera at gmail.com
>>
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>>
>>
>> --
>>
>> doc. RNDr. Katarína Holcová, CSc.
>> Tel.: +420 221 95 1460
>> E-mail: katarina.holcova at natur.cuni.cz
>>
>> Komise garantů studijních oborů a programů; Ústav geologie a
>> paleontologie
>> Univerzita Karlova v Praze
>> Přírodovědecká fakulta
>> Albertov 6, 128 43 Praha 2
>> www.natur.cuni.cz
>>
>> Committee of Chairs for Study Fields and Programs; Institute of Geology
>> and Paleontology
>> Charles University in Prague
>> Faculty of Science
>> Albertov 6, 128 43 Praha 2
>> www.natur.cuni.cz/en
>>
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-- 
doc. RNDr. Katarína Holcová, CSc.
Tel.: +420 221 95 1460
E-mail: katarina.holcova at natur.cuni.cz

Komise garantů studijních oborů a programů; Ústav geologie a paleontologie
Univerzita Karlova v Praze
Přírodovědecká fakulta
Albertov 6, 128 43 Praha 2
www.natur.cuni.cz

Committee of Chairs for Study Fields and Programs; Institute of Geology and
Paleontology
Charles University in Prague
Faculty of Science
Albertov 6, 128 43 Praha 2
www.natur.cuni.cz/en
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