Homalonotidae is a family of trilobites that lived from the Ordovician to the Devonian. They are characterised by a shovel-like cephalon (head), and are closely related to the family Calymenidae.[1]
Homalonotidae Temporal range:
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Homalonotus | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Trilobita |
Order: | †Phacopida |
Suborder: | †Calymenina |
Family: | †Homalonotidae Chapman, 1890 |
It contains the following genera:[2]
![](http://up.wiki.x.io/wikipedia/commons/thumb/f/f4/TrimerusDelphinocephalus.jpg/220px-TrimerusDelphinocephalus.jpg)
References
edit- ^ Curtis R. Congreve & Bruce S. Lieberman (2008). "Phylogenetic and biogeographic analysis of Ordovician homalonotid trilobites" (PDF). The Open Paleontology Journal. 1 (1): 24–32. Bibcode:2008OPalJ...1...24C. doi:10.2174/1874425700801010024.
- ^ S. M. Gon III. "Order Phacopida". Retrieved November 14, 2010.