''Leuconia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

calcareous sponge The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate in the form of calcite or aragonite. While the spicules in most species hav ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Baeriidae. It was described by English

anatomist Anatomy () is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having it ...

and

zoologist 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 ...

Robert Edmond Grant Robert Edmond Grant MD FRCPEd FRS FRSE FZS FGS (11 November 1793 – 23 August 1874) was a British anatomist and zoologist. Life Grant was born at Argyll Square in Edinburgh (demolished to create Chambers Street), the son of Alexander Gra ...

in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On the classification of the organs of animals, and on the organs of support in animalcules and poripherous animals. ''The Lancet'', 1(531), 193–200.

Species

The following species of ''Leuconia'' are accepted in the World Porifera database: *''

Leuconia alaskensis ''Leuconia'' is a genus of calcareous sponges in the family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On t ...

'' de Laubenfels, 1953de Laubenfels, M. W. (1953). Sponges of the Alaskan Arctic. ''Smithsonian Miscellaneous Publications'', 121(6), 1–22. *''

Leuconia dura ''Leuconia'' is a genus of calcareous sponges in the Family (biology), family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. ...

'' (Hozawa, 1929)Hozawa, S. (1929). Studies on the calcareous sponges of Japan. ''Journal of the Faculty of Scinece, Imperial University of Tokyo, Zoology'', 1, 277–389. *''

Leuconia gladiator ''Leuconia'' is a genus of calcareous sponges in the family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On t ...

'' (Dendy, 1893)Dendy. A. (1892). Synopsis of the Australian Calcarea Heterocœla; with a proposed classification of the group and descriptions of some new genera and species. ''Proceedings of the Royal Society of Victoria'', 5, 69–116. *''

Leuconia johnstoni ''Leuconia'' is a genus of calcareous sponges in the family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On t ...

'' Carter, 1871Carter, H. J. (1871). A description of two new Calcispongiæ, to which is added confirmation of Professor James-Clark's discovery of the true form of the sponge-cell (animal), and an account of the polype-like pore-area of ''Cliona corallinoides'' contrasted with Professor E. Häckel's view on the relationship of the sponges to the corals. ''The Annals and Magazine of Natural History'', 8)43, 1–27. *''

Leuconia joubini ''Leuconia'' is a genus of calcareous sponges in the family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On t ...

'' (Topsent, 1907)Topsent, M. E. (1907). Éponges calcaires recueillies par le Français dans l'Antarctique (Expédition du Dr. Charcot). ''Bulletin du Muséum National d'Histoire Naturelle, Paris'', 13, 539–544. *''

Leuconia nivea ''Leuconia'' is a genus of calcareous sponges in the family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On t ...

'' (Grant, 1826) *''

Leuconia ochotensis ''Leuconia'' is a genus of calcareous sponges in the family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On t ...

'' (Miklucho-Maclay, 1870) *''

Leuconia usa ''Leuconia'' is a genus of calcareous sponges in the family Baeriidae. It was described by English anatomist and zoologist Robert Edmond Grant in 1833.Grant, R. E. (1833). Lectures on Comparative Anatomy and Animal Physiology. Lecture IV. On t ...

'' (de Laubenfels, 1942)de Laubenfels, M. W. (1942). Porifera from Greenland and Baffinland collected by Captain Robert A. Bartlett. ''Journal of the Washington Academy of Sciences'', 32(9), 263–269. Several other species formerly treated as part of ''Leuconia'' have been transferred to other genera, primarily ''Leucandra''.

References

Calcaronea Sponge genera {{calcarea-stub