Israel Heymann Jonas (1795-1851) was a German malacologist. He studied medicine at the Christian-Albrechts-Universität in Kiel, Prussia. Species named by Jonas The World Register of Marine Species has 104 records of marine taxa named by Jonas. Most of these names have become synonyms, except: Species named in honor of Jonas Hombron & Jacquinot naming a genus Jonas in honor of him; this is a crab genus in the family Corystidae. A number of marine gastropod species use the epithet "jonasii" or jonasi in his honor. Arcularia jonasii (Dunker, 1846): synonym of Nassarius jonasii Dunker, 1846 Baseodiscus jonasii Strand, Hjelmgren & Sundberg, 2005 Buccinum jonasii Dunker, 1846: synonym of Nassarius jonasii Dunker, 1846 Nassa jonasii (Dunker, 1846): synonym of Nassarius jonasii Dunker, 1846 Nassarius jonasii Dunker, 1846 Parcanassa jonasii (Dunker, 1846): synonym of Nassarius jonasii Dunker, 1846 Siphonaria jonasi Dunker, 1853: synonym of Siphonaria pectinata (Linnaeus, 1758) Publications Jonas sometimes also published as "J." H. Jonas. He studied, together with Wilhelm Dunker, the "Museum Gruneri", a large collection of species in the bivalve family Pteriidae. This study was published as Verzeichniß der Conchyliensammlung des verstorbenen Herrn Consul Gruner, welche im Ganzen verkauft werden soll von Bunsen Hausschild 1857. Bremer Druck 1857. In 1846 Jonas described the "Rodatz collection". Rodatz collected many mollusks during a number of commercial expeditions from Germany to Zanzibar and West Africa in the period of 184351, and from the Red Sea in 1845. He had offered his specimens to . References Collations of Malacological Significance; American Malacological Society 1795 births 1851 deaths German malacologists