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Homalonotidae

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Homalonotidae
Temporal range: Ordovician–Middle Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Homalonotus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Phacopida
Suborder: †Calymenina
Family: †Homalonotidae
Chapman, 1890

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.

It contains the following genera:

Reconstruction of Trimerus delphinocephalus, the exoskeleton of which was probably fringed with many sensory hairs called Setae.

References

  1. 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.
  2. S. M. Gon III. "Order Phacopida". Retrieved November 14, 2010.
Taxon identifiers
Homalonotidae


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