Genus 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 nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.
Pierre André Latreille was a French zoologist, specialising in arthropods. Having trained as a Roman Catholic priest before the French Revolution, Latreille was imprisoned, and only regained his freedom after recognising a rare beetle species he found in the prison, Necrobia ruficollis.
Jean-Baptiste Geneviève Marcellin Bory de Saint-Vincent was a French naturalist, officer and politician. He was born on 6 July 1778 in Agen (Lot-et-Garonne) and died on 22 December 1846 in Paris. Biologist and geographer, he was particularly interested in volcanology, systematics and botany. The standard author abbreviation Bory is used to indicate this person as the author when citing a botanical name.
Oscillatoria is a genus of very important sugar making microscopic creatures
Lemanea is a genus of freshwater red algae, in the order Batrachospermales. Both species are considered to be widespread in the northern hemisphere. Although placed in the Rhodophyta it in fact is green in colour.
Ernst Johann Lemmermann was a German botanist who specialized in the field of phycology.
Scytothamnus is a brown algae genus in the family Splachnidiaceae.
Palmaria is a genus of algae. One of its most notable members is dulse, Palmaria palmata.
Keratella is a genus of Brachionidae.
Thalassiothrix is a genus of Chromista belonging to the family Thalassionemataceae.
Tolypella is a genus of green algae belonging to the family Characeae.
Achnanthidium is a genus of diatoms belonging to the family Achnanthidiaceae.
Achroonema is a genus of bacteria with uncertain systematics.
Agrypon is a genus of parasitoid wasps belonging to the family Ichneumonidae.
Eucapsis is a genus of cyanobacteria belonging to the family Merismopediaceae.
Eucocconeis is a genus of diatoms belonging to the family Achnanthidiaceae.
Achnanthaceae is a family of algae belonging to the order Achnanthales.
Halymeniales is an order of red algae belonging to the class Florideophyceae and the subclass Rhodymeniophycidae.
