plesiomorphy

  • 1 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

  • 2 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

  • 3 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

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

    Wiktionary

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

    Wikipedia

  • 6 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

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

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  • 8 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

  • 9 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

  • 10 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

  • 11 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

  • 12 Meliphagoidea — Little Wattlebird (Anthochaera chrysoptera, Meliphagidae) Scientific classification Kingdom …

    Wikipedia

  • 13 Symplesiomorphy — A symplesiomorphy or symplesiomorphic character is in cladistics a trait which is shared (a symmorphy) between two or more taxa, but which is also shared with other taxa which have an earlier last common ancestor with the taxa under consideration …

    Wikipedia

  • 14 Andesaurus — Taxobox name = Andesaurus fossil range = Late Cretaceous regnum = Animalia phylum = Chordata classis = Sauropsida superordo = Dinosauria ordo = Saurischia subordo = Sauropodomorpha infraordo = Sauropoda unranked familia = Titanosauria familia =… …

    Wikipedia

  • 15 Jurodidae — Taxobox name = Jurodidae regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Coleoptera subordo = Archostemata familia = Jurodidae familia authority = Ponomarenko, 1985 genus = Sikhotealinia genus authority = Lafer, 1996 species = S.… …

    Wikipedia

  • 16 Chrysiridia rhipheus — Engraving captioned Urania riphaeus from Charles D. d Orbigny’s Dictionnaire universel d histoire naturelle (1849) Scientific classification Kingdom …

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  • 17 Gogonasus — Taxobox name = Gogonasus fossil range = Late Devonian image width = 250px image caption = life restoration of Gogonasus andrewsae regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Sarcopterygii infraclassis = Tetrapodomorpha… …

    Wikipedia

  • 18 Glandulocaudinae — Taxobox name = Glandulocaudinae regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Characiformes familia = Characidae subfamilia = Glandulocaudinae subdivision ranks = Genera subdivision = Acrobrycon Argopleura Chrysobrycon… …

    Wikipedia

  • 19 Archostemata — Saltar a navegación, búsqueda ? Archostemata Tenomerga mucida (Cupepidae) Clasificac …

    Wikipedia Español

  • 20 Jurodidae —   Jurodidae Clasificación científica Reino: Animalia …

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