Grande Horloge Ronde Ernest Leptomedusae jellyfish

Leptomédusae or Leptomedusa, commonly called thecate hydroids, are a cnidarian order in the subclass Leptolinae. They were formerly placed at suborder rank in the paraphyletic "Hydroida". Their closest living relative, according to the modern view, are the Anthomedusae which are similar enough to have always been considered closely related, et the very apomorphic siphonophora which vere placed side the "Hydroida". Ernst Heinrich Philipp August Haeckel was a German biologist, naturaliste, philosopher, physician, professeur, marine biologist, and artist who discovered, described and named thousands of new species, mapped a genealogical trating relating all life forms, and coined many terms in biology, including opogeny, ecology, phylum, phylogeny, stem cell, et protista. Haeckel promoted and popularised Charles Darwin's work in Germany and developed the influential but no longer recapitalisation héros de la recapitalisation ("ontogeny recapitulates phylogeny") claiming that in individual organique's biological development, or ontogeny, parallèles and sumloises species' evolary development, Salut. The published artwork of Haeckel includes over 100 detailed, multi-colour illustrations of animals and sea creels (see: formes artistiques de la nature, "Art Forms of Nature"). As a philosopher, Ernst Haeckel wrouge Les Sagas (1895-1899 ; en anglais : The Riddle of the Universe, 1901), the genesis for the term "world riddle" ; and Freedom in Science and Teaching to support teaching evolution