Eozoon


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E`o`zo´on


n.1.(Paleon.) A peculiar structure found in the Archæan limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure.
References in periodicals archive ?
Por eso Herrera rechazaba aquellos planteamientos como los de Haeckel, que tomaban a los llamados "organismos primitivos" como modelos para explicar el origen de la vida, tales como las moneras (bacterias), el supuesto eozoon y el pretendido organismo primordial Bathybius haeckeli, carente de estructura y formado por una masa amorfa de protoplasma, que creyo haber descubierto el insigne Thomas Huxley, en 1868, en una muestra extraida de las profundidades oceanicas, la cual corresponderia a la forma mas primitiva de organismos que podrian existir, de acuerdo con el biologo aleman Ernest Haeckel.
Darwin erred, too, in thinking of the fossil Eozoon as primitive biota, helping to fill the apparent gaps in the early history of life.
There is reference to the Eozoon controversy, but one learns little here of the strange role of J.
Indeed, it is one of the great ironies in the history of science that Dawson fought to convince his contemporaries that life had microbial origins far deeper in time than most were willing to accept: his Eozoon canadense (Dawson 1875).