Eomonarachus

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Eomonarachus
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Eomonorachus

Delo, 1935

Eomonorachus is a genus of trilobites in the order Phacopida, that existed during the middle Ordovician in what is now the United States. It was described by Delo in 1935, and the type species is Eomonorachus intermedius, which was originally described under the genus Dalmanites by Walcott in 1877. It also contains the species Eomonorachus divaricatus, which was originally assigned to Calliops by Frederickson in 1964, and was later moved to Estoniops by Shaw in 1974, before being reassessed under its current genus by Ludvigsen in 1978. The type locality was the Decorah Formation in Minnesota. [1]

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<i>Encrinuroides</i> Genus of trilobites

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Estoniops is a genus of trilobites in the order Phacopida, that existed during the upper Ordovician in what is now Estonia. It was described by Mannil in 1958, and the type species is Estoniops exilis, which was originally described under the genus Acaste by Eichwald in 1858. Its generic name is derived from the country in which it was first discovered.

Eulomina a genus of trilobites in the order Phacopida, that existed during the lower Ordovician in what is now the Czech Republic. It was described by Ruzicka in 1931, and the type species is Eulomina mitratum, which the author originally described under the genus Euloma in 1926. The type locality was the Trenice Formation.

Forteyops is a genus of trilobites in the order Phacopida, that existed during the lower Ordovician in what is now the United States. It was described by Pribyl and Vanek in 1985, and the type species is Forteyops sexapugia, which was originally described under the genus Kawina by Ross in 1951. The type locality was the Garden City Formation in Utah.

Foulonia is a genus of trilobites in the order Phacopida, that existed during the lower Ordovician in what is now France. It was described by Pribyl and Vanek in 1985, and the type species is Foulonia peregrinus, which was originally described under the genus Ceraurinella by Dean in 1966. The type locality was on Montagne Noire.

<i>Frencrinuroides</i> Genus of trilobites

Frencrinuroides is a genus of trilobites in the order Phacopida, that existed during the upper Ordovician in what is now the United States. It was described by Lesperance and Desbiens in 1995, and the type species is Frencrinuroides capitonis, which was originally described under the genus Encrinuroides by Frederickson in 1964. The type locality was the Bromide Formation in Oklahoma.

Hintzeia is a genus of trilobites in the order Phacopida, that existed during the lower Ordovician in what is now the United States. It was described by Harrington in 1957, and the type species is Hintzeia aemula, which was originally described under the genus Protopliomerops by Hintze in 1953. Harrington also moved two other Protopliomerops species, P. celsaora and P. firmimarginis, under Hintzeia. The generic name is derived from that of the type species' author. The type locality was the Fillmore Formation in Utah.

<i>Kanoshia</i>

Kanoshia is a genus of trilobites in the order Phacopida, that existed during the middle Ordovician in what is now Utah, USA. It was described by Harrington in 1957, and the type species is Kanoshia kanoshensis, which was originally described under the genus Pseudomera by Hintze in 1953. It also contains the species K. depressus and K. reticulata. The generic name is derived from the type species' epithet, which in turn is derived from the name of the type locality, the Kanosh Formation.

Kayserops is a trilobite in the order Phacopida, that existed during the lower Devonian in what is now Germany. It was described by Delo in 1935, and the type species is Kayserops kochi, which was originally described under the genus Cryphaeus by Kayser in 1883. The generic name is derived from the name of the species' author. The type locality was the Rhenish Massif.

<span class="mw-page-title-main">Pterygometopidae</span>

The Pterygometopidae are a family of trilobites, that is known from the Floian to the Katian (Ordovician), and reappears from the Telychian to the Sheinwoodian (Silurian). As part of the Phacopina suborder, its members have schizochroal eyes.

References

  1. Available Generic Names for Trilobites P.A. Jell and J.M. Adrain.