Eophacops

Eophacops; Temporal range: Ordovician–Silurian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Trilobita
Order:	†Phacopida
Family:	†Phacopidae
Genus:	†Eophacops; Delo, 1935
Species
	E. handwerki (Weller, 1907) (type) = Phacops handwerki ; E. aratroideus Ramsköld, 1985 ; E. bulliceps (Barrande, 1846) = Phacops bulliceps ; E. fontanus Holloway, 1980 ; E. helmuti Männing, 1987 ; E. lauensis Ramsköld, 1985 ; E. mancus (Foerste, 1919) = Phacops mancus ; E. matheri Delo, 1940 ; E. musheni (Salter, 1864) = Phacops musheni ; E. serotinus Männing, 1987 ; E. sprogensis Ramsköld, 1985 ; E. trapeziceps (Barrande, 1846) = Phacops trapeziceps, P. cultifrons ;
Synonyms
	Pterygometopidella

Eophacops is a genus of trilobites from the order Phacopida, family Phacopidae. These trilobites lived during the Middle Silurian in what are now North America and North-West Europe. Species assigned to this genus can be distinguished from Phacops by their small size (2–3 cm). Eophacops has very large eyes compared to the rest of its body.

References

^ Moore, R.C. (1959). Arthropoda I - Arthropoda General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha. Treatise on Invertebrate Paleontology. Vol. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. 1–560. ISBN 0-8137-3015-5.
^ Ramskjöld, L.; Werdelin, L. (1991). "The phylogeny and evolution of some phacopid trilobites". Cladistics. 7: 29–74. doi:10.1111/j.1096-0031.1991.tb00021.x.

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[Treatise-1] Moore, R.C. (1959). Arthropoda I - Arthropoda General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha. Treatise on Invertebrate Paleontology. Vol. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. 1–560. ISBN 0-8137-3015-5.

[2] Ramskjöld, L.; Werdelin, L. (1991). "The phylogeny and evolution of some phacopid trilobites". Cladistics. 7: 29–74. doi:10.1111/j.1096-0031.1991.tb00021.x.

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