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Baillie-Hamilton Island is one of the uninhabited members of the Queen Elizabeth Islands in the Canadian arctic islands in Nunavut, Canada. The island is rectangular in shape, 26 to 12 km, and has an area of 290 km2 (110 sq mi).
Dolerorthis is an extinct genus of hesperorthid brachiopod. The type species of this genus, D. interplicata, was described from the Silurian (Telychian) Osgood Formation. Other species belonging to this genus are known from the Ordovician and Silurian of Europe, Kazakhstan, China and Argentina. It was roughly 4 centimetres (1.6 in) across.
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.
Rhinocarcinosoma is a genus of eurypterid, an extinct group of aquatic arthropods. Fossils of Rhinocarcinosoma have been discovered in deposits ranging of Late Silurian age in the United States, Canada and Vietnam. The genus contains three species, the American R. cicerops and R. vaningeni and the Vietnamese R. dosonensis. The generic name is derived from the related genus Carcinosoma, and the Greek ῥινός, referring to the unusual shovel-shaped protrusion on the front of the carapace of Rhinocarcinosoma, its most distinctive feature.
Dundas Island is a member of the Queen Elizabeth Islands and the Arctic Archipelago in the territory of Nunavut. It is an irregularly shaped island located between Devon Island and Baillie-Hamilton Island. The smaller Margaret Island is 1 km (0.62 mi) to the east of Dundas.
Palaeocymopolia is an extinct genus of seaweed in the order Dasycladales, which existed in what is now Cornwallis Island, Nunavut, Northern Canada, during the Ludfordian age. It was described from the Cape Phillips Formation by Steven T. LoDuca, Michael J. Melchin and Heroen Verbruggen in 2011, and the type species is P. nunavutensis.
Eocladus xiaoi is an extinct species of seaweed which existed in what is now Cornwallis Island, Northern Canada, during the Ludfordian age. It was described by Steven T. LoDuca, Michael J. Melchin and Heroen Verbruggen in 2011 based on fossils found in the Cape Phillips Formation.
Chaetocladus capitatus is an extinct species of green algae in the genus Chaetocladus, which existed in what is now Cornwallis Island, Arctic Canada, during the Ludfordian age. It was described by Steven T. Loduca, Michael J. Melchin and Heroen Verbruggen in 2011 based on fossils found in the Cape Phillips Formation.
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.
Paleontology in Alaska refers to paleontological research occurring within or conducted by people from the U.S. state of Alaska. During the Late Precambrian, Alaska was covered by a shallow sea that was home to stromatolite-forming bacteria. Alaska remained submerged into the Paleozoic era and the sea came to be home to creatures including ammonites, brachiopods, and reef-forming corals. An island chain formed in the eastern part of the state. Alaska remained covered in seawater during the Triassic and Jurassic. Local wildlife included ammonites, belemnites, bony fish and ichthyosaurs. Alaska was a more terrestrial environment during the Cretaceous, with a rich flora and dinosaur fauna.
The Attawapiskat Formation is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
The Merrimack Formation is a geologic formation in Quebec. It preserves fossils dating back to the Silurian period.
The Gun River Formation is a geologic formation in Quebec. It preserves fossils dating back to the early Silurian period.
The Jupiter Formation is a geologic formation in Quebec, well-exposed in the southern third of Anticosti Island and lying in the St Lawrence River Valley. It preserves fossils dating back to the Silurian period.
The Becscie Formation is a geologic formation in Quebec. It preserves fossils dating back to the early Silurian period.
The Solvik Formation is a geologic formation in the central Oslo Region of Norway. It preserves fossils dating back to the early Silurian period.
Hedstroemia is a genus of trilobites in the order Proetida known from the Silurian period of Europe, Asia, and North America.
Romundina is a small, heavily armored extinct genus of acanthothoracid placoderms which lived in shallow marine environments in the early Devonian (Lochkovian). The name Romundina honors Canadian geologist and paleontologist Dr. Rómundur (Raymond) Thorsteinsson of Calgary, Alberta, Canada. Romundina are believed to have lived on Earth between 400 and 419 million years ago. The closest known relative to Romundina is the acanthothoracid Radotina. The type and only described species is R. stellina.
Tiiu Märss is an Estonian geologist and palaeoichthyologist.
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
- ↑ Cymbidium, a new genus of Silurian pentameroid brachiopods from Alaska. Kirk, E., 1926, Proceedings of the United States National Museum 69/23:1–5.
- ↑ Paleoecology and paleobiogeography of Wenlockian (Silurian) brachiopods of the Cape Phillips Formation from Baillie Hamilton Island, Arctic Canada, Ning Zhang, Journal of the Czech Geological Society 46/3-4(2001)
- ↑ Silurian brachiopods from Malaya. Arthur James Boucot, J. G. Johnson and C. R. Jones, Journal of Paleontology; September 1966; v. 40; no. 5; p. 1027-1031
