| Mesonacinae Temporal range: 516–513 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Botomian | |
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| Mesonacis vermontanus, late Lower Cambrian, Australia, Courtesy of Sam Gon III. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Redlichiida |
| Family: | Olenellidae |
| Subfamily: | Mesonacinae Walcott, 1890 |
| Genera | |
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The Mesonacinae comprise an extinct subfamily of trilobites that lived during the Botomian, found in North-America, Greenland and North-Western Scotland. The two genera in this subfamily are Mesonacis and Mesolenellus.
References
- ^ Lieberman, B.S. (1999). "Systematic Revision of the Olenelloidea (Trilobita, Cambrian)" (PDF). Bulletin of the Peabody Museum of Natural History. 45. Archived from the original (PDF) on 2016-06-24. Retrieved 2012-10-30.
- Palmer, A.R.; Repina, L.N. (1993), "Through a Glass Darkly: Taxonomy, Phylogeny and Biostratigraphy of the Olenellina", The University of Kansas Paleontological Contributions, 3: 1–35
External links
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