Esmeraldina is an extinct genus of holmiid trilobites. It lived during the late Atdabanian stage,[1] which lasted from 530 to 524 million years ago during the early part of the Cambrian Period.

References

  1. ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Retrieved 1 December 2008.


Allikas: http://en.wikipedia.org/wiki/Esmeraldina
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