Mattheus Marinus Schepman
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Mattheus Marinus Schepman was a Dutch malacologist. He was one of the foremost collectors of mollusc shells in the Netherlands, and was also high on the overall list of European collectors.
A shell of the deepwater slit snail Entemnotrochus rumphii, described and named by Schepman in 1879
In the center of this image is a well-camouflaged live individual of Primovula roseomaculata, described and named by Schepman in 1909. Head end towards the top of the image; the red mantle is covering the shell entirely.
Hugo Frederik Nierstrasz
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Hugo Frederik Nierstrasz was a Dutch zoologist, known for his research in the fields of malacology and carcinology.
Mattheus Marinus Schepman
…M. M. (1908). Catalogue systématique des mollusques (gastropodes prosobranches et polyplacophores). Tome XIII. Leiden. (in German) Schepman M. M. & Nierstrasz H. F. (1913). "Parasitische und kommensalistische Mollusken aus Holothurien". Stuttgart. The Prosobranchia of the Siboga Expedition…
Hugo Frederik Nierstrasz
Members of the Siboga Expedition; Nierstrasz, seated figure at lower right.