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Facultad de Ciencias Naturales y Museo - UNLP

[coccoliths] Call for sample/knowledge sharing for a nannofossil reference collection creation

Baptiste Suchéras-Marx sucheras-marx at cerege.fr
Tue Apr 28 12:40:55 -03 2026


Dear colleagues,
Luc and myself are starting a new long-term project. The aim is 
relatively simple: gather good to perfect preservation samples in order 
to create a reference collection.
Based on this collection, we wish to develop automatic recognition and 
morphometrics studies. Obviously, this won't be completed in months but 
rather through many years.
To complete this project, I call some help to anyone who will be willing 
to contribute by sharing samples or knowledge on some sections and/or 
drills.
*If you are interested in contributing, more details are available below 
or you can contact me.*
Otherwise, sorry for the inconvenience
Yours sincerely
Baptiste Suchéras-Marx

Detailed project:
- gather samples and/or localities
The aim is to create a reference collection of calcareous nannofossil 
from Triassic to Quaternary.
The collection will have bulk rock/sediment and prepared samples. Both 
will be referenced in our collection system called CollecScience (and 
then in Recolnat, a national database of french natural history museum) 
and cured at Cerege. Associated with the samples/slides, a series of 
metadata will be gathered like sampling site name, gps position, people 
that gave the sample, associated publications, log, etc. You can also 
share knowledge of known outcrop or section with good to very good 
preservation.

- prepare samples
Reference slide will be prepared (method under consideration) and kept 
also in the reference collection. Several slides will be prepared per 
sample in case someone wish to borrow a slide and likely sem preparation 
will also be done.

- study nannofossils/picture collection
This reference material will be also used to create an updated neural 
network for automatic recognition. Our team is currently developing a 
system and promote collaboration in that purpose.
The collection of nanno picture will also be used to develop knowledge 
on morphometrics and mass of the various species.

- sharing and coming
We would be able to share the slides through loan and have people coming 
to Cerege to work on the collection if wished.

All this project has the objective to promote conservation and 
collaboration at the nannocommunity scale.

-- 
Baptiste Suchéras-Marx

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