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Leon  Hoffman 

Leon Hoffman Team Meeresgeologie

Ehrenamtlicher Mitarbeiter Meeresgeologie

Leon  Hoffman 
Telefon +49 4421 9475 203

1976-1981 Study Physics at the Technical University Eindhoven, the Netherlands

1981 Masters in Physics

1981-1987 Research Scientist, Petrophysics, Royal Dutch Oil Company, Rijswijk, the Netherlands

1984-1985 Visiting Scientist Artificial Intelligence, Carnegie Mellon University, Pittsburgh, USA

1988-1993 Petrophysicist, Section Head, Sarawak Shell Berhad, Miri, Malaysia

1993-1997 Section Head Petrophysics Research, Royal Dutch Oil Company, Rijswijk, the Netherlands

1998-2003 Department Head Hydrocarbon Maturation, Petroleum Development Oman, Muscat, Oman

2003-2011 Global Hydrocarbon Maturation, Royal Dutch Oil Company, The Hague, the Netherlands

2011-2016 Chief Petroleum Engineer, Sakhalin Energy, Yuzhno-Sakhalinsk, Russia

2002-2011 Visiting scientist, Malacology, Zoological Museum Amsterdam, University of Amsterdam, the Netherlands

2010-2016 Visiting scientist, Malacology, Marine Geology, Senckenberg am Meer, Wilhelmshaven, Germany

2016-now Honorary Scientist, Malacology, Marine Geology, Senckenberg am Meer, Wilhelmshaven, Germany

Publikationen

 

Oliver JD, Hoffman L, gofas s, Urgorri V & Templado J 2024. Skeneid gastropods (Vetigastropoda, Trochoidea) from the continental shelf and slope off Galicia (NW Iberian Peninsula). Iberus 42(1): 73-90.

Hoffman L, Urgorri V, Oliver JD & Templado J 2024. Data on species of the genus Calliostoma (Vetigastropoda: Trochoidea: Calliostomatidae) on the shelf and bathyal bottoms off Galicia (NW Iberian Peninsula). Iberus 42(1): 55-64.

Hoffman L, Heugten B van & Goud J 2023. New northern Atlantic species of the family Fissurellidae (Gastropoda, Vetigastropoda). Basteria 87 (2): 150-155.

Hoffman L, Heugten B van & Goud J 2023. Description of a new species of Calliostoma (Gastropoda, Vetigastropoda: Calliostomatidae) from the Cape Verde Islands. Basteria 87 (2): 156-161.

Oliver JD, Hoffman L, Urgorri V & Templado J 2023. Seguenzioidean gastropods from the continental shelf and slope off Galicia (NW Iberian Peninsula). Iberus 41(2): 199-249.

ZETTLER ML & HOFFMAN L 2023. Condylocardiidae (Bivalvia) from Namibia. Basteria 87 (1): 2-10

HOFFMAN L & FREIWALD A 2023. Species in Fissurellidae (Gastropoda) from the North Atlantic with a focus on the Azorean seamounts. Basteria 87 (1): 77-96.

Caballero Herrera JA, Hoffman L, Freiwald A & Gofas S 2023. The dispersal capacity of Mollusca—a test on the South Azorean Seamount Chain. Marine Biodiversity 53(5), 59.

Korpanty C, Hoffman L, Portilho-Ramos R, Titschack J, Wienberg C & Hebbeln D 2023. Decline in cold-water coral growth promotes molluscan diversity: a paleontological perspective from a cold-water coral mound in the western Mediterranean Sea, Frontiers of Marine Science 9: 895946.

Gofas S, Freiwald A & Hoffman L 2023. New species and new records in Cerithiopsidae and Newtoniellidae (Triphoroidea, Gastropoda) from the South Azorean Seamount Chain. Iberus 41(1): 111-148

Hesemann M, Hoffman L, Ottway B & Freiwald A, 2022 Benthic foraminiferal assemblages from the Mauritanian shelf and upper slope and their association with cold-water coral habitats, Natur in Focus 53: 21-153

HOFFMAN L & FREIWALD A 2022. A review of Atlantic deep-water species in the genus Talassia (Caenogastropoda, Vanikoridae), European Journal of Taxonomy 819: 140–157

Hoffman L, Kniesz K, Martínez Arbizu P & Kihara TC 2022. Abyssal vent field habitats along plate margins in the Central Indian Ocean yield new species in the genus Anatoma (Vetigastropoda: Anatomidae), European Journal of Taxonomy 826: 135–162

HOFFMAN L & FREIWALD A 2022. Anatoma occidentalis n. sp. (Vetigastropoda, Anatomidae) from upper bathyal coral habitats off western Africa, Iberus, 40 (2): 355-362

ZETTLER ML & HOFFMAN L 2022. Nucula (Nuculidae, Bivalvia) from upper bathyal depths off Namibia, Iberus, 40 (2): 291-299

ENGL W., SWINNEN F. & HOFFMAN L. 2021. A review of species in Fusceulima (Gastropoda: Eulimidae) from the NE Atlantic Ocean and the western Mediterranean Sea with illustration of key type specimens. Conchylia 51(3-4): 3-16.

HOFFMAN L, GOFAS S & FREIWALD A 2021. The genus Anatoma Woodward, 1859 (Gastropoda, Anatomidae) from the Azorean seamounts. Iberus, 39 (2): 1-14.

HOFFMAN L & FREIWALD A 2021. Bathyal species in Rissoidae (Gastropoda) from Azorean seamounts. Biodiversity Journal 12 (4): 777–792.

ZETTLER ML & HOFFMAN L 2021a. New species in Galeommatoidea (Bivalvia) from Namibia. Iberus, 39 (2): 195-208.

ZETTLER ML & HOFFMAN L 2021b. A wide distribution of Waisiuconcha haeckeli (Bivalvia: Vesicomyidae) in the eastern Atlantic Ocean. Miscellanea Malacologica 9(1): 1-3

ZETTLER ML & HOFFMAN L 2021c. Nuculana cornidei Altimira, 1974 (Bivalvia: Nuculanidae) from Namibia. Miscellanea Malacologica 9(1): 5-9

Gerdes K, Kihara TC, Martínez Arbizu P, Kuhn T, Schwarz-Schampera U, Mah CL, Norenburg JL,Linley TD, Shalaeva K, Macpherson E, Gordon D, Stöhr S, Messing CG, Bober S, Guggolz T, Christodoulou M, Gebruk A, Kremenetskaia A, Kroh A, Sanamyan K, Bolstad K, Hoffman L, Gooday AJ & Molodtsova T 2021. Megafauna of the German exploration licence area for seafloor massive sulphides along the Central and SouthEast Indian Ridge (Indian Ocean). Biodiversity Data Journal 9: e69955.

Taylor J, Devey C, Le Saout M, Petersen S, Frutos I, Linse K, Lörz A-N, Pałgan D, Tandberg AH, Svavarsson J, horhallsson D, Tomkowicz A, Egilsdóttir H, Ragnarsson SÁ, Renz J, Markhaseva EL, Gollner S, Paulus E, Kongsrud J, Beermann J, Kocot KM, Meißner K, Bartholomä A, Hoffman L, Vannier P, Marteinsson VÞ, Rapp HT, Díaz-Agras G, Tato R & Brix S. 2021. The Discovery and Preliminary Geological and Faunal Descriptions of Three New Steinahóll Vent Sites, Reykjanes Ridge, Iceland. Frontiers of Marine Science: 8 online.

HOFFMAN, L; GOFAS, S & FREIWALD, A; 2020. New and little-known Seguenziidae (Vetigastropoda, Gastropoda) from the South Azorean Seamount Chain. Iberus, 38(1): 1-18

HOFFMAN, L; GOFAS, S & FREIWALD, A; 2020. Ten new species in Papuliscala de Boury, 1911 (Gastropoda, Epitoniidae) from the South Azorean Seamount Chain. Iberus, 38(1): 29-53

GOFAS, S & HOFFMAN, L; 2020. Deep-water Calliostomatidae (Vetigastropoda, Gastropoda) from the South Azorean Seamount Chain. Iberus, 38(2): 195-211

HOFFMAN, L & FREIWALD, A; 2020. Cantrainea mauritanea n. sp. (Gastropoda: Colloniidae) from deep-water coral habitats off Mauritania. Miscellanea Malacologica 8(5): 69–73 

HOFFMAN, L & FREIWALD, A; 2020. Bathyal Eulimidae (Gastropoda, Vanikoroidea) from the Azorean seamounts collected during the R/V Meteor Cruise M151 Athena. Miscellanea Malacologica, manuscript accepted

ENGL, W; SWINNEN, F & HOFFMAN, L; 2020. A review of species inFusceulima(Gastropoda: Eulimidae) from the NE Atlantic Ocean and the western Mediterranean Sea with illustration of key type specimens. Conchylia, manuscript accepted

HOFFMAN, L; GOFAS, S & FREIWALD, A; 2020. A large biodiversity of “skeneimorph” (Gastropoda: Vetigastropoda) species from the South Azorean Seamount Chain, with the description of seventeen new species. Iberus, manuscript accepted

HOFFMAN, L & FREIWALD, A; 2019. Neocardia kandeli n. sp. (Bivalvia: Philobryidae) from Namibia. Miscellanea Malacologica 8(3): 55-58

HOFFMAN, L; FREIWALD, A; 2019. Vexillum monscorallum n. sp. (Gastropoda: Costellariidae) from deep – water coral habitats off Mauritania. Miscellanea Malacologica 8 (2): 37-40 

HOFFMAN, L; MONSECOUR, K; FREIWALD, A; 2019. Columbellidae (Gastropoda) from deep – water coral habitats off Mauritania. Miscellanea Malacologica 8 (2): 41-49 

HOFFMAN, L; von COSEL, R; FREIWALD, A; 2019. New and little-known Pliocardiinae (Bivalvia: Vesicomyiidae) from the continental slope off Mauritania. Basteria 83 (43620): 151-157 

 HOFFMAN, L; BEUCK, L; VAN HEUGTEN, B; LAVALEYE, M; FREIWALD, A; 2019. Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic. Zootaxa 4613 (1): 93-110 

HOFFMAN, L; 2018. On the distribution of Yoldiella cadizensis(Bivalvia:Yoldiidae) in the NE Atlantic. Miscellanea Malacologica 7 (5): 102 

HOFFMAN, L; FRAUSSEN, K; FREIWALD, A; 2018. The genus Chauvetia(Gastropoda, Buccinoidea) in deep-water coral habitats on the continental slope of Mauritania. Miscellanea Malacologica 7 (6): 127-138 

HOFFMAN, L; FREIWALD, A; 2018. Last snails standing: a tale of Fissurellidae (Gastropoda) from deep-water coral habitats off Mauritania since the Pleistocene. Miscellanea Malacologica 7 (6): 115-126 

HOFFMAN, L; FREIWALD, A; 2018. A new genus and two new species in Calliotropidae (Mollusca: Gastropoda) from NE Atlantic cold-water coral habitats. Miscellanea Malacologica 7 (5): 89-96 

HOFFMAN, L; LAVALEYE, MSS; van HEUGTEN, B; FREIWALD, A; 2018.Lepetella (Gastropoda: Lepetellidae) in deep-water coral habitats in the North Atlantic. Miscellanea Malacologica 8 (1): 19-26 

HOFFMAN, L; FREIWALD, A; VAN HEUGTEN, B; LAVALEYE, M; 2018. New information on Ganesa, Lopheliella and Trochaclis (Gastropoda) in deep-water coral habitats in the North Atlantic. Miscellanea Malacologica 8 (1): 27-34

HOFFMAN, L; FREIWALD, André; 2017. A unique and diverse amalgamated mollusk assemblage from the Coral Patch Seamount, eastern Atlantic. Miscellanea Malacologica 7 (4): 61-73 

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2011. Gastropoda (Mollusca) from the Rockall and Hatton Banks, northeastern Atlantic Ocean. Part 2. Miscellanea Malacologica 4 (6): 85-118

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2011. Gastropoda (Mollusca) from the Rockall and Hatton Banks, northeastern Atlantic Ocean. Part 3. Miscellanea Malacologica 5 (2): 23-52

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2011. Yoldiella ovulum La Perna, 2004 (Bivalvia: Yoldiidae), recorded from off Morocco, northeast Atlantic Ocean. Miscellanea Malacologica 5 (2): 53-56

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2011. Margarites toroidesn. sp.(Gastropoda: Turbinidae), a new species from off northwestern Morocco, North-East Atlantic Ocean. Miscellanea Malacologica 5 (3): 57-60

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2010. Skeneimorph species (Gastropoda) from the Rockall and Hatton Banks, northeastern Atlantic Ocean. Miscellanea Malacologica 4 (): 47-61

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2009. A new genus and a new species in the family Pyramidellidae (Gastropoda) from the Rockall Bank, NE Atlantic Ocean. Miscellanea Malacologica 3 (4): 83-86

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2009. A new species in the family Yoldiidae (Bivalvia) from the Bay of Cadiz, northeastern Atlantic Ocean. Miscellanea Malacologica 3 (4): 77-81

HOFFMAN, L; van HEUGTEN, B; LAVALEYE, MSS; 2008. A new genus with four new species in the family Skeneidae (Gastropoda) from the Rockall Bank, northeastern Atlantic Ocean. Miscellanea Malacologica 3 (3): 39-48

HOFFMAN, L; VAN HEUGTEN, B; Dekker, H; 2006. Marine mollusca collected during a journey to the Great Bitter Lake (Suez Canal) and Nile Delta, Egypt. Gloria Maris 45: 184-200

Smits, JW; Dubourg, I; Luling, MG; Minerbo, GN; Koelman, JMVA;HOFFMAN, LJB; Lomas, AT; Oosten, RKvd; Schiet, MJ; Dennis, RN; 1998. Improved resistivity interpretation utilizing a new array laterolog tool and associated inversion processing. SPE Annual Technical Conference and Exhibition 

HOFFMAN, LJB; Hoogerbrugge, PJ; Lomas, AT; 1988. LOGIX, a knowledge-based system for petrophysical evaluation. SPWLA 29th Annual Logging Symposium 

HOFFMAN, LJB; 1984. Determination of pyritic sulphur in coal using induced polarisation. SPWLA 25th Annual Logging Symposium. SPWLA-1984-III

Dikhoff, TGMH; Prins, M; HOFFMAN, LJB; 1982. Target preparation of biological specimens for SPIXE measurements. Nuclear Instruments and Methods in Physics Research 197 (1): 129-132

Prins, M; HOFFMAN, LJB; Van Lieshoud, FAM; 1982. The data handling for SPIXE measurements with the Eindhoven cyclotron. Nuclear Instruments and Methods in Physics Research 197 (1): 165-169 

Prins, M; HOFFMAN, LJB; 1981. The Eindhoven proton microbeam. Nuclear Instruments and Methods 181: 125-129 

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