Muséum national d'Histoire naturelle (MNHN)
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(Only databased specimens here, not the full collections)
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Collection
Catalog number
Collector's name
Determined by
Type status
Family
Genus
Specific epithet
Infraspecific epithet
Author
Scientific name
Country label
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Collection
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Order
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Descending
[1]
HOLOTYPE
Collonista
alexandrei
Poppe, Tagaro & S.-I Huang, 2025
MNHN-IM-2000-29652
SEC
Collection
Coll. B. Thomassin
MADAGASCAR
Tuléar
[2]
HOLOTYPE
Ancilla
thomassini
Kilburn, 1981
MNHN-IM-2000-1215
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[3]
HOLOTYPE
Heliacus (Torinista)
oceanitis
Bieler, 1993
MNHN-IM-2000-37985
SEC
Collection
Coll. Thomassin
MADAGASCAR
Grand récif, Tuléar
[4]
HOLOTYPE
Leptochiton
eugenei
Kaas & van Belle, 1985
MNHN-IM-2000-5935
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Lagon, Passe Sud
[5]
HOLOTYPE
Callistochiton (Callistassecla)
barnardi
Leloup, 1981
MNHN-IM-2000-6242
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[6]
HOLOTYPE
Ocnus
amiculus
Cherbonnier, 1988
MNHN-IE-2013-17897
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Grand Récif de Tuléar
Galenon P.
[7]
HOLOTYPE
Thyone
carens
Cherbonnier, 1988
MNHN-IE-2013-17961
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
[8]
PARATYPE(S)
Tucetona
pectunculus
audouini
MNHN-IM-2000-28606
SEC
Collection
Coll. B. Thomassin
MADAGASCAR
Tuléar
[9]
PARATYPE(S)
Ancilla
thomassini
Kilburn, 1981
MNHN-IM-2000-1209
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[10]
PARATYPE(S)
Ancilla
thomassini
Kilburn, 1981
MNHN-IM-2000-1287
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[11]
PARATYPE(S)
Ancilla
thomassini
Kilburn, 1981
MNHN-IM-2000-1294
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[12]
PARATYPE(S)
Ancilla
thomassini
Kilburn, 1981
MNHN-IM-2000-1413
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[13]
PARATYPE(S)
Ancilla
thomassini
Kilburn, 1981
MNHN-IM-2000-1436
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[14]
PARATYPE(S)
Ancilla
thomassini
Kilburn, 1981
MNHN-IM-2000-1491
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[15]
PARALECTOTYPE(S)
Cardium
lavrani
Fischer-Piette, 1977
MNHN-IM-2000-34191
SEC
Collection
Coll. THomassin
MADAGASCAR
Tuléar
[16]
PARATYPE(S)
Leptochiton
eugenei
Kaas & van Belle, 1985
MNHN-IM-2000-5924
ALCOOL
Collection
Coll. Thomassin
[17]
PARATYPE(S)
Leptochiton
eugenei
Kaas & van Belle, 1985
MNHN-IM-2000-5925
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[18]
PARATYPE(S)
Leptochiton
eugenei
Kaas & van Belle, 1985
MNHN-IM-2000-5926
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[19]
PARATYPE(S)
Leptochiton
eugenei
Kaas & van Belle, 1985
MNHN-IM-2000-5934
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Lagon, Passe Sud
[20]
PARATYPE(S)
Callistochiton (Callistassecla)
barnardi
Leloup, 1981
MNHN-IM-2000-6238
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[21]
PARATYPE(S)
Callistochiton (Callistassecla)
barnardi
Leloup, 1981
MNHN-IM-2000-6239
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[22]
PARATYPE(S)
Callistochiton (Callistassecla)
barnardi
Leloup, 1981
MNHN-IM-2000-6240
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[23]
PARATYPE(S)
Callistochiton (Callistassecla)
barnardi
Leloup, 1981
MNHN-IM-2000-6241
ALCOOL
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[24]
PARATYPE(S)
Acrosterigma
amirante
Vidal, 1999
MNHN-IM-2000-27716
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[25]
PARATYPE(S)
Phyllophorus (Phyllonovus)
anomalia
Cherbonnier, 1988
MNHN-IE-2013-17919
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Grand Récif de Tuléar
Peyrot-Clausade M.
[26]
PARATYPE(S)
Thyone
vadosa
Cherbonnier, 1988
MNHN-IE-2013-17960
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
[27]
PARATYPE(S)
Thyone
carens
Cherbonnier, 1988
MNHN-IE-2013-17962
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
[28]
VU(S)
Procalpurnus
lacteus
(Lamarck, 1810)
MNHN-IM-2008-1875
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[29]
VU(S)
Phenacovolva
subreflexa
(G.B. Sowerby II, 1848)
MNHN-IM-2008-1959
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
Thomassin B.A.
[30]
VU(S)
Primovula
cf. rosewateri
(Cate, 1973)
MNHN-IM-2008-2035
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[31]
VU(S)
Phenacovolva
rehderi
Cate, 1973
MNHN-IM-2008-2059
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[32]
FIGURÉ(S)
Primovula
panthera
Omi, 2008
MNHN-IM-2008-2079
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[33]
FIGURÉ(S)
Diminovula
mozambiquensis
Fehse, 2001
MNHN-IM-2008-2086
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[34]
FIGURÉ(S)
Dentiovula
dorsuosa
(Hinds, 1844)
MNHN-IM-2008-2168
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[35]
VU(S)
Dentiovula
dorsuosa
(Hinds, 1844)
MNHN-IM-2008-2169
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[36]
FIGURÉ(S)
Diminovula
concinna
(G.B. Sowerby II, 1848)
MNHN-IM-2008-2183
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[37]
VU(S)
Diminovula
concinna
(G.B. Sowerby II, 1848)
MNHN-IM-2008-2185
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tuléar
[38]
CITÉ(S)
Cerithium
rostratum
A. Adams, 1855
MNHN-IM-2020-2054
SEC
Collection
Coll. Thomassin
MADAGASCAR
Nosy Be
[39]
CITÉ(S)
Cerithium
novaehollandiae
G.B. Sowerby II, 1855
MNHN-IM-2020-2121
SEC
Collection
Coll. Thomassin
HERON I 1
[40]
CITÉ(S)
Cerithium
rostratum
A. Adams, 1855
MNHN-IM-2016-5047
SEC
Collection
Coll. Thomassin
MADAGASCAR
Nosy Be
[41]
CITÉ(S)
Cerithium
rostratum
A. Adams, 1855
MNHN-IM-2016-5048
SEC
Collection
Coll. Thomassin
MADAGASCAR
Nosy Be
[42]
MNHN-IM-2000-5927
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
THOMASSIN_MADAGASCAR 617
Thomassin B.
[43]
MNHN-IM-2000-5933
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin B.
[44]
Conus
tessulatus
Born, 1778
MNHN-IM-2022-12886
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
[45]
Conus
tessulatus
Born, 1778
MNHN-IM-2022-12887
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
THOMASSIN_MADAGASCAR 617
Thomassin B.
[46]
Cerithium
zonatum
(Wood, 1828)
MNHN-IM-2020-2209
SEC
Collection
Coll. Thomassin B.A.
MADAGASCAR
Nosy Be
[47]
Cerithium
zonatum
(Wood, 1828)
MNHN-IM-2020-2210
SEC
Collection
Coll. Thomassin B.A.
MADAGASCAR
Nosy Be
[48]
Cerithium
punctatum
Bruguière, 1792
MNHN-IM-2020-2228
SEC
Collection
Coll. Thomassin
HERON I 3
[49]
Zebina
bidentata
(R. A. Philippi, 1845)
MNHN-IM-2024-8382
SEC
Collection
Coll. Thomassin
MADAGASCAR
Tulear
Thomassin
[50]
Cerithium
zonatum
(Wood, 1828)
MNHN-IM-2016-5098
SEC
Collection
Coll. Thomassin
MADAGASCAR
Nosy Be
[51]
Holothuria (Mertensiothuria)
hilla
Lesson, 1830
MNHN-IE-2019-2652
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
[52]
Holothuria (Selenkothuria)
parva
Krauss, 1885
MNHN-IE-2019-2678
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
[53]
Holothuria (Selenkothuria)
parva
Krauss, 1885
MNHN-IE-2019-2680
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
[54]
Holothuria (Selenkothuria)
parva
Krauss, 1885
MNHN-IE-2019-2681
ALCOOL
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
[55]
Asteropsis
carinifera
(Lamarck, 1816)
MNHN-IE-2019-4305
SEC
Collection
Coll. Thomassin B.A.
MADAGASCAR
Tuléar
Galenon P.
