The hibbertopterina were a family of large,
They resembled
Wikimedia Foundation. 2010.
Eurypterid — Taxobox name = Eurypterids fossil range = Fossil range|510|248 Cambrian Permian image caption = Eurypterid from Ernst Haeckel s Kunstformen der Natur , 1904. regnum = Animalia phylum = Arthropoda subphylum = Chelicerata classis = Eurypterida… … Wikipedia
Karoo Ice Age — The Karoo Ice Age from 300–400 Ma (million years ago) was the second major period of glaciation of the Phanerozoic Eon. It is named after the glacial tills found in the Karoo region of South Africa where evidence for this ice age was first… … Wikipedia
Eurypterida — Eurypterina Stylonurina Hibbertopterina Los euriptéridos (latín Eurypterida), también llamados gigantostráceos (latín Gigantostraca), son un orden de animales extintos desde el final del Paleozoico, acuáticos o anfibios que destacan por haber… … Enciclopedia Universal
