- apomorphy
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n. [Gr. apo, away; morphe, form]A term pertaining to derived characters, normally used in cladistic taxonomy.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
apomorphy — a state derived by evolution from a primitive state (plesiomorphy); applied to a character, not a taxon. It relates to the compared character state and the hierarchical level considered, i.e. the character is apomorphic in relation to one state… … Dictionary of ichthyology
apomorphy — noun A derived characteristic of a clade. Any feature novel to a species and its descendants. Ant: plesiomorphy … Wiktionary
apomorphy — Derived character or character state. See also autoapomorphy, homology, plesiomorphy, symplesiomorphy, synapomorphy … Expanded glossary of Cycad terms
apomorphy — … Useful english dictionary
Cladistics — For the scientific journal, see Cladistics (journal). Part of a series on Evolutionary Biology … Wikipedia
Clade — For other uses, see Clade (disambiguation). Cladogram (family tree) of a biological group. The red and blue boxes represent clades (i.e., complete branches). The green box is not a clade, but rather represents an evolutionary grade, an incomplete … Wikipedia
Synapomorphy — In evolutionary biology, a synapomorphy is a derived character state shared by two or more terminal groups (taxa included in a cladistic analysis as further indivisible units) and inherited from their most recent common ancestor. Derived in this… … Wikipedia
Paraphyly — A cladogram showing a hypothetical descent from an ancestor species of the clade vertebrata.[1] Note that cladograms do not necessarily correspond to taxonomic classifications. In this one, Sauropsida are a paraphyletic group. It can be made… … Wikipedia
PhyloCode — The International Code of Phylogenetic Nomenclature , known for short as the PhyloCode , is a developing draft for a formal set of rules governing phylogenetic nomenclature. Its current version is specifically designed to regulate the naming of… … Wikipedia
Ornithurae — Ornithurans Temporal range: Early Cretaceous–Recent, 136–0 Ma … Wikipedia