Hector Frederik Estrup Jungersen (13 January 1854 – 6 March 1917) was a Danish marine zoologist born in Dejbjerg (today part of Ringkøbing-Skjern Municipality) . In 1877 he obtained his degree in

zoology Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and ...

, and in 1889 his doctorate of sciences. From 1879 he taught classes at the ''

Metropolitanskolen Metropolitanskolen ("The Metropolitan School") was a school in Copenhagen, Denmark founded in 1209 by the Bishop , and for centuries one of the most prestigious schools in the country. History The school was founded in 1209 next to the Church of ...

'' (Metropolitan School) in

Copenhagen Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan ar ...

, where he served as an assistant professor from 1882 to 1899. During this time period (1886–1901) he was also a lecturer at the nearby '' Polytekniske Læreanstalt'' (Poly-technical College). In 1899 he succeeded

Christian Frederik Lütken Christian Frederik Lütken (; 7 October 1827, in Sorø – 6 February 1901), was a Danish zoologist and naturalist. In 1852, he resigned his commission as a lieutenant with the Danish army, and earned his master's degree in sciences the follo ...

(1827–1901) as professor of zoology and manager of the zoological museum (department of

vertebrates Vertebrates () comprise all animal taxa within the subphylum Vertebrata () ( chordates with backbones), including all mammals, birds, reptiles, amphibians, and fish. Vertebrates represent the overwhelming majority of the phylum Chordata, wi ...

) at the

University of Copenhagen The University of Copenhagen ( da, Københavns Universitet, KU) is a prestigious public university, public research university in Copenhagen, Copenhagen, Denmark. Founded in 1479, the University of Copenhagen is the second-oldest university in ...

. In 1912/13 he served as university

rector Rector (Latin for the member of a vessel's crew who steers) may refer to: Style or title *Rector (ecclesiastical), a cleric who functions as an administrative leader in some Christian denominations *Rector (academia), a senior official in an edu ...

. Jungersen was a proponent of evolutionary comparative morphology, and is known for making significant contributions in the field of ichthyotomy (fish anatomy). In 1895-96 he participated as a senior zoologist in the " Ingolf Expedition" to waters near

Greenland Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is ...

and

Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its ...

, and afterwards carried out taxonomic investigations of marine fauna. From 1899 to 1917 he was chair of the Danish Natural History Society. He was the author of Volume I (

Reptiles Reptiles, as most commonly defined are the animals in the class Reptilia ( ), a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates (lizards and snakes) and rhynchocephali ...

and

Amphibians Amphibians are four-limbed and ectothermic vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arb ...

''Krybdyr og Padder''
of the multi-volume series on Danish fauna, (''Danmarks fauna'', 1907). From the "Ingolf Expedition" he wrote an article on deep-sea marine life and its

zoogeographical Zoogeography is the branch of the science of biogeography that is concerned with geographic distribution (present and past) of animal species. As a multifaceted field of study, zoogeography incorporates methods of molecular biology, genetics, mor ...

distribution. A number of his written works have been published in English.

Writings

* "On the appendices genitales in the Greenland shark, Somniosus microcephalus (Bl. Schn.), and other selachians", 1899 * " Pennatulida", 1904 * "Ichthyotomical contributions", 1908–1910 * "Ichthyotomical contributions. II. The structure of the Aulostomidae,

Syngnathidae The Syngnathidae is a family of fish which includes seahorses, pipefishes, and seadragons ('' Phycodurus'' and '' Phyllopteryx''). The name is derived from grc, σύν (), meaning "together", and (), meaning "jaw". The fused jaw is one of the ...

and Solenostomidae", 1910 * "Chordeuma obesum, a new parasitic

Copepod Copepods (; meaning "oar-feet") are a group of small crustaceans found in nearly every freshwater and saltwater habitat. Some species are planktonic (inhabiting sea waters), some are benthic (living on the ocean floor), a number of species have p ...

endoparasitic Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson ha ...

in asteronyx loveni M. Tr", 1914 * "The Alcyonaria of east-

", 1916 * " Anthomastus", 1927.WorldCat Identities
(bibliography)

References

Hector F.E. Jungersen , Gyldendal - Den Store Danske
{{DEFAULTSORT:Jungersen, Hector Frederik Estrup Academic staff of the University of Copenhagen 1854 births 1917 deaths Danish zoologists Danish ichthyologists Estrup family