Reginaselache
Encyclopedia
Reginaselache is an extinct
genus
of xenacanthiform shark
known from the Early Carboniferous (Mississippian age, mid-Viséan
) of central Queensland
, Australia
. It was found in the middle the Ducabrook Formation, northwest of Springsure
. It was first named by Susan Turner and Carole J. Burrow in 2011
and the type species is Reginaselache morrisi.
Extinction
In biology and ecology, extinction is the end of an organism or of a group of organisms , normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point...
genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of xenacanthiform shark
Shark
Sharks are a type of fish with a full cartilaginous skeleton and a highly streamlined body. The earliest known sharks date from more than 420 million years ago....
known from the Early Carboniferous (Mississippian age, mid-Viséan
Viséan
The Visean, Viséan or Visian is an age in the ICS geologic timescale or a stage in the stratigraphic column. It is the second stage of the Mississippian, the lower subsystem of the Carboniferous. The Visean lasted from 345.3 ± 2.1 to 328.3 ± 1.6 Ma...
) of central Queensland
Queensland
Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...
, Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
. It was found in the middle the Ducabrook Formation, northwest of Springsure
Springsure, Queensland
Springsure is a small town in Queensland, 66 km south of Emerald on the Gregory Highway. It is 765 km northwest of Brisbane. At the 2006 census, Springsure had a population of 829.-History:...
. It was first named by Susan Turner and Carole J. Burrow in 2011
2011 in paleontology
-Lobopods:-Arachnids:-Insects:-Newly named jawless vertebrates:-Newly named acanthodian:-Newly named cartilaginous fishes:-Newly named bony fishes:-Newly named lepospondyls:-Newly named temnospondyls:-Newly named lissamphibians:...
and the type species is Reginaselache morrisi.