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Dalmanites is a genus of trilobite in the order Phacopida. They lived from the Late Ordovician to Middle Devonian.
Diacalymene is a genus of trilobite from the order Phacopida, suborder Calymenina. It includes the species D. ouzregui, D. clavicula, D. diademata and D. gabrielsi. It lived in the Ordovician and Silurian periods.
Misszhouia is a genus of small to average sized marine trilobite-like arthropods within the Naraoiidae family, that lived during the early Cambrian period. The species are M. longicaudata, from the Maotianshan Shales, described in 1985, and M. canadensis, from the Burgess Shale and described in 2018, although later species may belongs to genus Naraoia instead.
Cyphaspis is a genus of small trilobite that lived from the Late Ordovician to the Late Devonian. Fossils have been found in marine strata in what is now Europe, Africa and North America. Various species had a compact body, and a large, bulbous glabellum. Many species had long spines arranged similarly to closely related genera, such as Otarian, Otarionella, Chamaeleoaspis, and Namuropyge.
Balizoma is a genus of trilobites from the family Encrinuridae established by David J. Holloway in 1980. It has only been found in rocks of Silurian age. Its type species, B. variolaris, is currently the only named species of the genus, and is found in England. The neotype of B. variolaris was collected from the Much Wenlock Limestone Formation at Dudley, West Midlands. That specimen was first illustrated in Sir Roderick Impey Murchison's classic book, The Silurian System. B. variolaris was the original "strawberry-headed" trilobite of Dudley, so-named because of its nodular glabellar tubercles, and well known to early trilobite collectors. Additional species were originally assigned to Balizoma, but were subsequently placed in other encrinurine genera.
Acernaspis is an extinct genus of trilobite that is known from the Silurian. It contains two species, A. elliptifrons, and A. salmoensis. It is sometimes found preserved in burrows of various forms, sometimes in association with multiple moults, suggesting that it used tunnels as refuges whilst in its vulnerable moulting stage.
Aegrotocatellus is a genus of trilobite in the order Phacopida, which existed in what is now Nunavut, Canada. It was named by Adrain and Edgecombe in 1995, and the type species is Aegrotocatellus jaggeri, a species named after British musician Mick Jagger.
Boeckops is a genus of trilobites in the order Phacopida, which existed in what is now the Czech Republic. It was described by Chlupac in 1972, and the type species is Boeckops boecki, which was originally described as Phacops boecki by Hawle and Corda in 1847. Boeckops is also been discriped from the lower Devonian of Morocco and Algeria. The Genus Boeckops is interpreted as intermediate from between the traditional genus concept of Phacops and Reedops. The Genus Boeckops is regarded as problematic or difficult by McKellar et Chatterton 2009.
Frammia is a genus of trilobites in the order Phacopida that existed during the middle and upper Silurian in what is now the Arctic regions of Canada and Russia. It was described by Holtedahl in 1914, and the type species is Frammia dissimilis. That species was subsequently considered to be a synonym of Frammia arctica. The genus also contains the species, F. bachae Adrain & Edgecombe, 1997, F. hyperborea, and F. rossica. The type locality is the Douro Formation of Cornwallis Island in Nunavut, Canadian Arctic.
Brianurus is a genus of Silurian trilobites known from Canada. It was originally described from the Whittaker Formation. It is named after Professor Brian D. E. Chatterton from the University of Alberta.
Struszia mccartneyi is a species of trilobite found in Silurian deposits of the Mackenzie Mountains in Canada. It is named after British musician Paul McCartney, being one of several in the genus Struszia named after members of The Beatles or people connected to the band.
Struszia is a genus of fossil trilobites from the Silurian period, erected in 1993 and named after paleontologist Desmond L. Strusz.
Encrinuridae is a family of trilobite within the order Phacopida that lived in what would be Africa, Asia, Australia, Europe, North America, and South America from the middle Ordovician to the early Devonian from 479 to 412.3 million years ago, existing for approximately 66.7 million years.
Ptychagnostus is a member of the agnostida that lived during the Cambrian period. Ptychagnostidae generally do not exceed one centimetre in length. Their remains are rarely found in empty tubes of the polychaete worm Selkirkia. The genus probably ranged throughout the water column. It has two glabellar lobes, and three pygidial lobes.
Arcticalymene is a genus of trilobites found in Silurian-aged marine strata of Arctic Canada and Central Victoria, Australia. The Canadian species are named after each of the Sex Pistols: A. cooki, A. jonesi, A. matlocki, A. rotteni and A. viciousi, all named by Adrain and Edgecombe in 1997.
Archibald Lamont was a Scottish geologist, palaeontologist, Scottish Nationalist writer, poet and politician. He named the trilobite genus Wallacia after William Wallace.
Mackenziurus is a genus of phacopid trilobites from the Silurian containing several species, including four named after members of the American punk band the Ramones.
Hedstroemia is a genus of trilobites in the order Proetida known from the Silurian period of Europe, Asia, and North America.
Perryus is a genus of phacopid trilobites that lived in what are now Canada, Greenland, and Siberia from the early Silurian to the middle Silurian from 438 to 430 mya, existing for approximately 8 million years.
Dudleyaspis is an extinct genus of Lower to Middle Devonian odontopleurid trilobites that lived in a shallow sea that lay between Euramerica and Gondwana. It was named in 1949 by Prantl & Pribyl.
References
- 1 2 3 Edgecombe, Gregory D.; Chatterton, Brian D.E. (1993). "Silurian (Wenlock-Ludlow) encrinurine trilobites from the Mackenzie Mountains, Canada, and related species". Palaeontographica Abteilung A. 229 (4–6): 75–112. Retrieved 16 April 2021.
- 1 2 Adrain, Jonathan M.; Edgecombe, Gregory D. (1997). "Silurian encrinurine trilobites from the central Canadian Arctic" (PDF). Palaeontographica Canadiana. 14: 1–109. Archived from the original (PDF) on 17 April 2021. Retrieved 17 April 2021.
