Translation: from english

plesiomorphy

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  • plesiomorphy —   Ancestral or underived character or character state; note that a plesiomorphy at a given hierarchical level may be an apomorphy at a more inclusive level.   See also autoapomorphy, homology, symplesiomorphy, synapomorphy …   Expanded glossary of Cycad terms

  • plesiomorphy — an ancestral character state; the state from which an apomorphy is derived; usually and correctly applied to a specific character and not to a taxon. Note that derived states need not be more complex than plesiomorphic states and so the… …   Dictionary of ichthyology

  • plesiomorphy — n. [Gr. plesios, near; morphos, form] A term referring to original or primitive characters being retained; normally used in cladistic taxonomy; see apomorphy, symplesiomorph …   Dictionary of invertebrate zoology

  • plesiomorphy — noun A character state that is present in both outgroups and in the ancestors …   Wiktionary

  • Cladistics — For the scientific journal, see Cladistics (journal). Part of a series on Evolutionary Biology …   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

  • Tinamou — Temporal range: Miocene Recent 12–0 Ma …   Wikipedia

  • Erik Jarvik — Anders Erik Vilhelm Jarvik (30 November 1907 ndash; January 11, 1998) was a Swedish palaeozoologist who worked extensively on the sarcopterygian (or lobe finned) fish Eusthenopteron . In a career that spanned some 60 years, Jarvik produced some… …   Wikipedia

  • Gallotia — Taxobox name = Gallotia image width = 250px image caption = Tenerife Lizard ( Gallotia galloti galloti ) male (top) and female regnum = Animalia phylum = Chordata classis = Reptilia ordo = Squamata familia = Lacertidae subfamilia = Gallotiinae… …   Wikipedia

  • Morphology (biology) — In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features.[1][2][3][4][5][6] …   Wikipedia

  • Psittacosaurus — Taxobox name = Psittacosaurus fossil range = Early Cretaceous image width = 200px image caption = Mounted cast of a Psittacosaurus mongoliensis skull at the Australian Museum, Sydney. regnum = Animalia phylum = Chordata classis = Sauropsida… …   Wikipedia

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