Valentin DE MAZANCOURT | Laboratory of biology of aquatic organisms and ecosystems

Valentin DE MAZANCOURT's picture

Valentin DE MAZANCOURT

MNHN Paris

Research assistant

Sorbonne University (SU)

BIOPAC

Contract (dates)

01 Sep 2022 to 31 Aug 2023

Funding

ATER Sorbonne Université

valentin.demazancourt_ext@mnhn.fr

CV Valentin de Mazancourt 2022.pdf

MNS

General topics

Title of the scientific project: Taxonomy, Systematics and Evolution of freshwater decapod crustaceans from the islands of the tropical Indo-Pacific.

As part of my research, I am mostly interested in systematics (i.e. taxonomy and phylogeny) of amphidromous crustaceans of the Indo-Pacific region and especially of the shrimps belonging to the families Atyidae and Palaemonidae, as well as various groups of crabs (Sesarmidae, Varunidae, Hymenosomatidae...).

The aim of my work is to resolve the taxonomic problems by proposing clear delimitations between species, evidenced by integrative taxonomy (i.e. using multiple characters like morphology, DNA, ecology, biology, phylogeography...) in order to allow environment workers to implement a more efficient conservation and/or exploitation of these species and their habitat.

Teaching

TP et TD en Licence Sciences de la Vie à Sorbonne Université :

LU2SV301 Écologie et évolution
LU2SV302 Organisation fonctionnelle des animaux
LU3SV602 Biologie comparée et évolution des animaux
LU3SV605 Interactions durables, écologie et évolution : du mutualisme au parasitisme

TD en Master 1 BEE parcours SEP à Sorbonne Université :

MU4BIOIP Orientation et insertion professionnelle

Expertise and Valorization

Curator of the citizen science platform iNaturalist

My Papers

2022

de Mazancourt, Valentin , Julien Bréthiot, Gérard Marquet, and Philippe Keith. 2022. “West Side Story: A Molecular And Morphological Study Of Caridina Longicarpus Roux, 1926 (Decapoda, Caridea, Atyidae) From New Caledonia Reveals A New Species”. Zoosystema 44 (18): 463-474. doi:10.5252/zoosystema2022v44a18. https://bioone.org/journals/zoosystema/volume-44/issue-18/zoosystema2022v44a18/West-Side-Story--A-molecular-and-morphological-study-of/10.5252/zoosystema2022v44a18.full.
de Mazancourt et al. - 2022 - West Side Story A molecular and morphological study of iCaridina longicarpusi Roux, 1926 (Decapoda, Caride.pdf (4.95 MB)
de Mazancourt, Valentin , Torsten Wappler, and Sonja Wedmann. 2022. “Exceptional Preservation Of Internal Organs In A New Fossil Species Of Freshwater Shrimp (Caridea: Palaemonoidea) From The Eocene Of Messel (Germany)”. Scientific Reports 12 (18114): 1-12. doi:10.1038/s41598-022-23125-9. https://www.nature.com/articles/s41598-022-23125-9.
de Mazancourt, Wappler, Wedmann - 2022 - Exceptional preservation of internal organs in a new fossil species of freshwater shrimp (Carid.pdf (12.82 MB)

2020

Lorang, Camille , Gérard Marquet, and Valentin de Mazancourt. 2020. “First Occurrence Of The Genus Australatya (Crustacea: Decapoda: Atyidae) In Melanesia And Polynesia With Description Of A New Species”. Pacific Science 74 (3): 297-308. doi:10.2984/74.3.7. https://bioone.org/journals/pacific-science/volume-74/issue-3/74.3.7/First-Occurrence-of-the-Genus-Australatya-Crustacea--Decapoda/10.2984/74.3.7.full.
Lorang, Marquet, Mazancourt - 2021 - First Occurrence of the Genus iAustralatyai (Crustacea Decapoda Atyidae) in Melanesia and Polynesia.pdf (12.4 MB)
Lorang, Camille , Valentin de Mazancourt, Gérard Marquet, and Philippe Keith. 2020. “Taxonomic Study Of The Freshwater Shrimps Genus Atyoida Randall, 1840 (Crustacea: Decapoda: Atyidae) In Polynesia With A Revalidation Of A. Tahitensis Stimpson, 1860”. Zootaxa 4751 (1): 55 - 74. doi:10.11646/zootaxa.4751.110.11646/zootaxa.4751.1.3. https://www.biotaxa.org/Zootaxa/issue/view/zootaxa.4751.1.
de Mazancourt, Valentin , David Boseto, Gérard Marquet, and Philippe Keith. 2020. “Solomon’s Gold Mine: Description Or Redescription Of 24 Species Of Caridina (Crustacea: Decapoda: Atyidae) Freshwater Shrimps From The Solomon Islands, Including 11 New Species.”. European Journal Of Taxonomy (696). doi:10.5852/ejt.2020.696. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1051.

2019

de Mazancourt, Valentin , MC Mlambo, Magalie Castelin, C Renneville, Gérard Marquet, and Philippe Keith. 2019. “Resurrection Of Caridina Natalensis De Man, 1908 (Crustacea: Decapoda: Atyidae) In The South Western Indian Ocean”. Zootaxa 4543 (3): 375-387.
de Mazancourt, Valentin , Werner Klotz, Gérard Marquet, B Mos, C Rogers, and Philippe Keith. 2019. “The Complex Study Of Complexes: The First Well-Supported Phylogeny Of Two Species Complexes Within Genus Caridina (Decapoda: Caridea: Atyidae) Sheds Light On Evolution, Biogeography, And Habitat”. Molecular Phylogenetics And Evolution 131: 164-180.
de Mazancourt, Valentin , Gérard Marquet, and Philippe Keith. 2019. “Revision Of Freshwater Shrimps Belonging To Caridina Weberi Complex (Crustacea: Decapoda: Atyidae) From Polynesia With Discussion On Their Biogeography”. Journal Of Natural History 53 (13–14): 815–847. doi:https://doi.org/10.1080/00222933.2019.1612959.

2018

de Mazancourt, Valentin , Gérard Marquet, Christopher D Rogers, and Philippe Keith. 2018. “Description Of A New Species Of Caridina (Crustacea: Decapoda: Atyidae) From Two Micronesian Islands (Guam And Babeldaob)”. Zootaxa 4377 (1): 039–050.
Mazancourt et al - 2018 Description of a new species of Caridina from two Micronesian Islands.pdf (1.38 MB)
de Mazancourt, Valentin , Gérard Marquet, and Philippe Keith. 2018. “Caridina Variabilirostris (Crustacea: Decapoda: Atyidae), A New Species Of Freshwater Shrimp From Pohnpei (Micronesia)”. European Journal Of Taxonomy 453: 1-16.
de Mazancourt, Valentin , Gérard Marquet, Werner Klotz, and Philippe Keith. 2018. “Integrative Taxonomy Helps Separate Four Species Of Freshwater Shrimps Commonly Overlooked As Caridina Longirostris (Crustacea: Decapoda: Atyidae) In Indo-West Pacific Islands.”. Invertebrate Systematics 32: 1422–1447.

2017

Castelin, Magalie , Valentin de Mazancourt, Gérard Marquet, Gabrielle Zimmermann, and Philippe Keith. 2017. “Genetic And Morphological Evidence For Cryptic Species In Macrobrachium Australe And Resurrection Of M. Ustulatum (Crustacea, Palaemonidae)”. European Journal Of Taxonomy 289: 1–27.
Castelin-australe-2017.pdf (4 MB)
de Mazancourt, Valentin , Gérard Marquet, Werner Klotz, Philippe Keith, and Magalie Castelin. 2017. “When Molecules And Morphology Work Together: Lines Of Evidence For The Validity Of Caridina Buehleri Roux (Crustacea :Decapoda : Atyidae) And For C. Gueryi Marquet, Keith And Kalfatak As Its Junior Synonym”. Invertebrate Systematics 31: 220-230.
de Mazancourt, Valentin , Gérard Marquet, and Philippe Keith. 2017. “The “Pinocchio-Shrimp Effect”: First Evidence Of Variation In Rostrum Length With The Environment In Caridina H. Milne-Edwards, 1837 (Decapoda: Caridea: Atyidae)”. Journal Of Crustacean Biology 37 (3): 243-248.