Gymnostomix is an extinct genus of trilobites in the family Trinucleidae. The genus lived during the early part of the Arenig stage of the Ordovician Period,[1] a faunal stage which lasted from approximately 478 to 471 million years ago.[1]

Gymnostomix
Temporal range: Early Arenig
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Asaphida
Family: Trinucleidae
Genus: Gymnostomix
Fortey & Owens, 1987

References edit

  1. ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Retrieved 2008-01-12.