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Genus; Subgenus; Species-groups Species; Subspecies; The rules in the Code apply to the ranks of superfamily to subspecies, and only to some extent to those above the rank of superfamily. Among "genus-group names" and "species-group names" no further ranks are officially allowed, which creates problems when naming taxa in these groups in ...
This is a list of genetic hybrids which is limited to well documented cases of animals of differing species able to create hybrid offspring which may or may not be infertile. Hybrids should not be confused with genetic chimeras , such as that between sheep and goat known as the geep .
A taxon is called monophyletic if it includes all the descendants of an ancestral form. [61] [62] Groups that have descendant groups removed from them are termed paraphyletic, [61] while groups representing more than one branch from the tree of life are called polyphyletic.
In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name with that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have such ...
The butterfly genus Heliconius contains some species that are extremely difficult to tell apart.. In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear.
This association is usually for mutual benefit such as stronger defense or the ability to attack bigger prey. [1] Colonies can form in various shapes and ways depending on the organism involved. For instance, the bacterial colony is a cluster of identical cells (clones). These colonies often form and grow on the surface of (or within) a solid ...
Genus Authority Phylum Class Order Family Synonyms "Deinonema" Ludwig W et al. 1990 "Ca. Ferristratum" McAllister et al. 2021 "Guhaiyingella" Haiying 1995 "Magnoovum" Orpin 1976 Eadie's oval "Nanobacterium" Ciftcioglu et al. 1997 "Nonospora" Fokin et al. 1987 "Ca. Ovibacter" corrig. Fenchel & Thar 2004 "Parakaryon" Yamaguchi et al. 2012
Genus (/ ˈ dʒ iː n ə s /; pl.: genera / ˈ dʒ ɛ n ər ə /) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. [1] In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.