[coccoliths] Tribrachiatus acme

[Juan Pablo Perez Panera]

Hi Jean,

I have seen lots of them in the Late Paleocene/Early Eocene of the Pabdhe
Formation in Iran.
I can send you the distribution chart for this section. I studied it many
years ago, but I never published it. I can send some photos of them if you
like.
Cheers,
Juan

Dr. Juan Pablo Pérez Panera
División Geología,
Museo de La Plata, FCNyM, UNLP
Paseo del Bosque s/n, B1900, La Plata
Buenos Aires, Argentina
perezpanera at gmail.com


El mié, 19 mar 2025 a la(s) 11:38 a.m., Emma Sheldon (es at geus.dk) escribió:

> Hej Jean
>
>
>
> I found lots of them in the Ølst Fmn (Early Ypresian) from the Femern Bælt
> between Denmark and Germany. T. orthostylus is mentioned in the attached
> article, but I just checked my count sheets and have written ‘lots’ against
> them in some wells, if that helps!
>
>
>
> Best wishes, Emma
>
>
>
>
>
> Emma Sheldon,
> Biostratigrapher / Senior Researcher,
> Department of Geoenergy and Storage,
> Geological Survey of Denmark and Greenland (GEUS),
> Øster Voldgade 10,
> DK 1350,
> Copenhagen K,
> Denmark.
> Tel: 0045 9133 3712
>
>
>
>
>
>
>
>
>
>
>
> *Fra:* Coccoliths <coccoliths-bounces at fcnym.unlp.edu.ar> *På vegne af *Self-Trail,
> Jean M
> *Sendt:* 19. marts 2025 14:26
> *Til:* Mailing list for INA members and other scientists working with
> living or fossil nannoplankton <coccoliths at fcnym.unlp.edu.ar>
> *Emne:* Re: [coccoliths] Tribrachiatus acme
>
>
>
> Hi all,
>
>
>
> Has anyone ever recorded an acme of Tribrachiatus orthostylus or does
> anyone know of a published reference to one?
>
>
>
> Thanks!
>
> Jean
>
>
>
>
>
>
>
> Jean M. Self-Trail, Ph.D.
>
> U.S. Geological Survey
>
> 926A National Center
>
> 12201 Sunrise Valley Dr.
>
> Reston, VA 20192
>
> 703-648-6013
>
>
>
> "Those who stand for nothing will fall for anything"
>
> —Alexander Hamilton
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