A "Biochron" (from the Greek "bios",
References
* [http://www.nceas.ucsb.edu/~alroy/TimeScale.html North American Mammalian Time Scale] Retrieved 20070618
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biochron — noun The length of time represented by a biozone … Wiktionary
biochron — bi·o·chron … English syllables
biochron — ˌkrän noun ( s) Etymology: bi (II) + chron (from Greek chronos time) : a fossil fauna or flora of relatively short time range … Useful english dictionary
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
Biozone — Biostratigraphic units or Biozones are intervals of geological strata that are defined on the basis of their characteristic fossil taxa. A biostratigraphic unit may be defined on the basis of a single taxon or combinations of taxa, on relative… … Wikipedia
Psittacosaurus — Psittacosaurus … Wikipedia Español
Psittacosaurus — Psittacosaure Fa … Wikipédia en Français
Хеннекам, Йосе — Йосе Хеннекам José Hennekam … Википедия
