Opendata, web and dolomites


Computational modelling of evolutionary dynamics in the deep sea

Total Cost €


EC-Contrib. €






 DeepTrees project word cloud

Explore the words cloud of the DeepTrees project. It provides you a very rough idea of what is the project "DeepTrees" about.

density    mass    sigwart    counting    global    hidden    california    rates    think    integrate    edge    calculate    computational    samples    university    patchy    centre    substrata    forever    impossible    unite    revolutionise    organic    museum    disciplines    sea    preserved    dna    paleontology    special    combining    persisted    usually    species    separate    hosts    deeptrees    history    extinction    counted    strategy    assessments    secured    input    framework    dynamics    first    found    berkeley    group    events    invertebrates    communities    directive    computation    tools    natural    contained    error    record    quantified    ancient    put    deep    quantifying    bridging    cutting    integrating    until    last    genetic    sciences    nature    deeptree    basis    earth    bars    biology    survivors    diversity    unlock    groups    living    marine    crisis    data    time    barcoding    prepare    biodiversity    evolutionary    relevance    colleagues    morphological    appearance    gap    training    space    bayesian    intensive    fossil    life   

Project "DeepTrees" data sheet

The following table provides information about the project.


Organization address
postcode: BT7 1NN

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website
 Total cost 251˙857 €
 EC max contribution 251˙857 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-GF
 Starting year 2015
 Duration (year-month-day) from 2015-11-01   to  2018-10-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE QUEEN'S UNIVERSITY OF BELFAST UK (BELFAST) coordinator 251˙857.00
2    University of California - Berkeley. Department of Integrative Biology US (Berkeley) partner 0.00


 Project objective

DEEPTREES will unite disciplines across life sciences, to use DNA barcoding to put error bars on the fossil record. A major challenge remains to unlock the data from past mass extinction events in earth’s history to help prepare us for the future. This is only possible by combining the cutting edge work of the University of California Museum of Paleontology and Centre for Computational Biology with the unique approach of integrating fossil and living deep-sea biodiversity in Sigwart’s established research programme. The hosts will provide intensive training for Sigwart in computation modelling to investigate evolutionary dynamics during and after the ancient mass extinction events that are the only basis for understanding our current global biodiversity crisis. The patchy nature of the fossil record in space and time means that our knowledge of past extinction dynamics is estimated, usually from counting the first and last appearance of species-groups. It has been impossible to know how much diversity is contained within each group, or how comparable they are, until now. DEEPTREES will focus on marine invertebrates that have persisted through past mass extinction events: the survivors, found in large density in natural deep sea communities on organic substrata, using samples already secured for this project. Morphological and genetic features that separate living species will be quantified to develop a Bayesian framework to determine how many species cannot be counted because their defining features were not preserved. A novel modelling approach developed by Sigwart with input from Berkeley colleagues will integrate all these new data to calculate the hidden diversity in past extinction rates, bridging the gap between fossil and living species. DEEPTREE‘s new tools for quantifying diversity will revolutionise biodiversity assessments, with special relevance for the Marine Strategy Framework Directive, and may change the way we think about extinction forever.


year authors and title journal last update
List of publications.
2017 JD Sigwart, C Chen, L Marsh
Is mining the seabed bad for molluscs?
published pages: 43-49, ISSN: 0028-1344, DOI:
The Nautilus 131 2019-05-07
2018 Carola Becker, Eoghan M. Cunningham, Jaimie T. A. Dick, Lawrence E. Eagling, Julia D. Sigwart
A unified scale for female reproductive stages in the Norway lobster ( Nephrops norvegicus ): Evidence from macroscopic and microscopic characterization
published pages: 1700-1715, ISSN: 0362-2525, DOI: 10.1002/jmor.20852
Journal of Morphology 279/12 2019-05-07
A new deep water chiton (Mollusca: Polyplacophora) from hydrothermal vent ecosystems in the Okinawa Trough, Japan
published pages: 430, ISSN: 1175-5326, DOI: 10.11646/zootaxa.4531.3.7
Zootaxa 4531/3 2019-05-07
2018 Christian M. Ibáñez, Roger D. Sepúlveda, Julia D. Sigwart
Comparative allometric variation in intertidal chitons (Polyplacophora: Chitonidae)
published pages: 249-256, ISSN: 0720-213X, DOI: 10.1007/s00435-017-0387-2
Zoomorphology 137/2 2019-05-07
2018 Lauren Sumner-Rooney, Imran A. Rahman, Julia D. Sigwart, Esther Ullrich-Lüter
Whole-body photoreceptor networks are independent of ‘lenses’ in brittle stars
published pages: 20172590, ISSN: 0962-8452, DOI: 10.1098/rspb.2017.2590
Proceedings of the Royal Society B: Biological Sciences 285/1871 2019-05-07
2018 Chong Chen, Katrin Linse, Katsuyuki Uematsu, Julia D. Sigwart
Cryptic niche switching in a chemosymbiotic gastropod
published pages: 20181099, ISSN: 0962-8452, DOI: 10.1098/rspb.2018.1099
Proceedings of the Royal Society B: Biological Sciences 285/1882 2019-05-07
2018 Carola Becker, Jaimie T.A. Dick, Eoghan Mánus Cunningham, Clemens Schmitt, Julia D. Sigwart
The crustacean cuticle does not record chronological age: New evidence from the gastric mill ossicles
published pages: 498-512, ISSN: 1467-8039, DOI: 10.1016/j.asd.2018.07.002
Arthropod Structure & Development 47/5 2019-05-07
2018 Lauren Sumner-Rooney, Julia D. Sigwart
Do chitons have a brain? New evidence for diversity and complexity in the polyplacophoran central nervous system
published pages: 936-949, ISSN: 0362-2525, DOI: 10.1002/jmor.20823
Journal of Morphology 279/7 2019-05-07
2018 Julia D Sigwart, K D Bennett, Stewart M Edie, Luke Mander, Beth Okamura, Kevin Padian, Quentin Wheeler, Judith E Winston, Norine W Yeung
Measuring Biodiversity and Extinction—Present and Past
published pages: 111–1117, ISSN: 1540-7063, DOI: 10.1093/icb/icy113
Integrative and Comparative Biology 58 2019-05-07
2018 Julia D. Sigwart, Chong Chen
Life history, patchy distribution, and patchy taxonomy in a shallow-water invertebrate (Mollusca: Polyplacophora: Lepidopleurida)
published pages: 1867-1877, ISSN: 1867-1616, DOI: 10.1007/s12526-017-0688-1
Marine Biodiversity 48/4 2019-05-07
2017 Julia D. Sigwart
Zoology: Molluscs All Beneath the Sun, One Shell, Two Shells, More, or None
published pages: R708-R710, ISSN: 0960-9822, DOI: 10.1016/j.cub.2017.05.075
Current Biology 27/14 2019-05-07
2018 Julia D Sigwart, Amy Garbett
Biodiversity Assessment, DNA Barcoding, and the Minority Majority
published pages: 1146-1156, ISSN: 1540-7063, DOI: 10.1093/icb/icy076
Integrative and Comparative Biology 58/6 2019-05-07
2017 Bruno Dell’Angelo, Walter Renda, Maurizio Sosso, Julia D. Sigwart, Salvatore Giacobbe
A new species of Callochiton (Mollusca: Polyplacophora) from the Strait of Messina (central Mediterranean)
published pages: 243-250, ISSN: 1869-0963, DOI: 10.1127/arch.moll/146/243-250
Archiv für Molluskenkunde International Journal of Malacology 146/2 2019-05-07
2018 Julia D. Sigwart, Mary K. Wicksten, Matthew G. Jackson, Santiago Herrera
Deep-sea video technology tracks a monoplacophoran to the end of its trail (Mollusca, Tryblidia)
published pages: , ISSN: 1867-1616, DOI: 10.1007/s12526-018-0860-2
Marine Biodiversity 2019-05-07
2017 Julia D Sigwart, Mark D Sutton, K D Bennett
How big is a genus? Towards a nomothetic systematics
published pages: , ISSN: 0024-4082, DOI: 10.1093/zoolinnean/zlx059
Zoological Journal of the Linnean Society 2019-06-17
2016 Julia D. Sigwart
Deep trees: Woodfall biodiversity dynamics in present and past oceans
published pages: , ISSN: 0967-0645, DOI: 10.1016/j.dsr2.2016.06.021
Deep Sea Research Part II: Topical Studies in Oceanography 2019-06-17
2016 Julia D. Sigwart, Lauren H. Sumner-Rooney, James Dickey, Nicholas Carey
The scaphopod foot is ventral: more evidence from the anatomy of Rhabdus rectius (Carpenter, 1864) (Dentaliida: Rhabdidae)
published pages: 79-87, ISSN: 1323-5818, DOI: 10.1080/13235818.2016.1257970
Molluscan Research 37/2 2019-06-17
2017 Chong Chen, Katsuyuki Uematsu, Katrin Linse, Julia D. Sigwart
By more ways than one: Rapid convergence at hydrothermal vents shown by 3D anatomical reconstruction of Gigantopelta (Mollusca: Neomphalina)
published pages: , ISSN: 1471-2148, DOI: 10.1186/s12862-017-0917-z
BMC Evolutionary Biology 17/1 2019-06-17
2016 Julia D. Sigwart
The chiton stripe tease
published pages: , ISSN: 1867-1616, DOI: 10.1007/s12526-016-0590-2
Marine Biodiversity 2019-06-17

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