hypothetical ancestor


hypothetical ancestor
a supposed ancestor to extant taxa given a scientific name but this is not available under the International Code of Zoological Nomenclature because it is hypothetical, lacks a species description and lacks type species fixation

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • hypothetical ancestor — hypothetical ancestor. См. гипотетический предок. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • ancestor — /an ses teuhr/ or, esp. Brit., / seuh steuhr/, n. 1. a person from whom one is descended; forebear; progenitor. 2. Biol. the actual or hypothetical form or stock from which an organism has developed or descended. 3. an object, idea, style, or… …   Universalium

  • ancestor — /ˈænsɛstə / (say ansestuh) noun 1. someone from whom a person is descended, usually distantly; a forefather; a progenitor. 2. Biology the actual or hypothetical form or stock of an earlier and presumably lower type, from which any organised being …   Australian English dictionary

  • Last Common Ancestor — A Last Common Ancestor (LCA) is the most recent common ancestor of any two clades, for example species that came to be separated by a species barrier. LCA of two species The more distantly related two species are, the more ancient their LCA will… …   Wikipedia

  • Last universal ancestor — The last universal ancestor (LUA), also called the last universal common ancestor (LUCA), the cenancestor or number one in slang, is the hypothetical latest living organism from which all organisms now living on Earth descend. Thus it is the most …   Wikipedia

  • гипотетический предок — hypothetical ancestor гипотетический предок (см. ancestor). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Proto-Human language — The Proto Human language (also Proto Sapiens, Proto World) is the hypothetical most recent common ancestor of all the world s languages. The concept of Proto Human presupposes monogenesis of all recorded spoken human languages. It does not… …   Wikipedia

  • Proto-World language — The term Proto World language refers to the hypothetical, most recent common ancestor of all the world s languages ndash; an ancient proto language from which are derived all modern languages, all language families, and all dead languages known… …   Wikipedia

  • Vulgar Latin — (in Latin, sermo vulgaris , folk speech ) is a blanket term covering the popular dialects and sociolects of the Latin language which diverged from each other in the early Middle Ages, evolving into the Romance languages by the 9th century. The… …   Wikipedia

  • Opabinia — Temporal range: Middle Cambrian …   Wikipedia


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