| Labidiaster | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Order: | Forcipulatida |
| Family: | Heliasteridae |
| Genus: | Labidiaster Lütken, 1871 |
Labidiaster is a genus of echinoderms belonging to the family Heliasteridae. [1]
The species of this genus are found in the coasts of Antarctica and southernmost South America. [1]
Two species are recognized: [1]
Plagiaulacida is a group of extinct multituberculate mammals. Multituberculates were among the most common mammals of the Mesozoic, "the age of the dinosaurs". Plagiaulacids are a paraphyletic grouping, containing all multituberculates that lie outside of the advanced group Cimolodonta. They ranged from the Middle Jurassic Period to the early Late Cretaceous of the northern hemisphere. During the Cenomanian, they were replaced by the more advanced cimolodontans.
The mousebirds are birds in the order Coliiformes. They are the sister group to the clade Eucavitaves, which includes the Leptosomiformes, Trogoniformes (trogons), Bucerotiformes, Piciformes and Coraciformes. This group is now confined to sub-Saharan Africa, and it is the only bird order confined entirely to that continent, with the possible exception of turacos which are considered by some as the distinct order Musophagiformes, and the cuckoo roller, which is the only member of the order Leptosomiformes, and which is found in Madagascar but not mainland Africa. Mousebirds had a wider range in the Paleogene, with a widespread distribution in Europe and North America during the Paleocene.
An argus, or argus pheasant, is a member of a clade in the tribe Pavonini of the family Phasianidae, containing two species of bird that are closely related to peafowl. It has hundreds or thousands of tiny white spots on its plumage pattern, and thus its naming might have been in reference to the mythical hundred-eyed giant, Argus Panoptes.
The Corduliidae, also knowns as the emeralds, emerald dragonflies or green-eyed skimmers, is a family of dragonflies. These dragonflies are usually black or dark brown with areas of metallic green or yellow, and most of them have large, emerald-green eyes. The larvae are black, hairy-looking, and usually semiaquatic. This family include species called "baskettails", "emeralds", "sundragons", "shadowdragons", and "boghaunters". They are not uncommon and are found nearly worldwide, but some individual species are quite rare. Hine's emerald dragonfly, for example, is an endangered species in the United States.
Balanops is a group of flowering plants described as a genus in 1871. The nine species are trees or shrubs, found in New Caledonia, Fiji, Vanuatu, and northern Queensland. They are dioecious, with separate male and female plants.
Geranosaurus is a genus of ornithischian dinosaur from the Early Jurassic. It is known only from crushed fragments of the skull, a single jaw bone with nine tooth stubs and limb elements discovered in the Clarens Formation, South Africa in 1871. Because of the limited remains, it is considered a nomen dubium. It is classified as an ornithischian based on the jaw, probably a heterodontosaurid. It was around 0.6 metres (2.0 ft) tall and around 1.2 metres (3.9 ft) long when fully grown.
The weasel sharks are a family, the Hemigaleidae, of ground sharks found from the eastern Atlantic Ocean to the continental Indo-Pacific. They are found in shallow coastal waters to a depth of 100 m (330 ft).
Macrothele is a genus of mygalomorph spiders in the family Macrothelidae, and was first described by A. Ausserer in 1871. It is the only genus in the family Macrothelidae, and most species occur in Asia, from India to Japan, and Java, with four found in Africa, and two in Europe. The name is derived from Ancient Greek μακρός ("makro-"), meaning "big", and θηλή ("thele"), referring to the spinnerets.
Neopsittacus is a genus of parrot in the family Psittaculidae. The genus contains two species, both of which are native to New Guinea.
The genus Hypsugo contains many bats referred to as pipistrelles or pipistrelle bats. They belong to the family Vespertilionidae or vesper bats. They are primarily found throughout Asia, the Middle East, Mediterranean Europe, and North Africa, with a single (debated) species in Sub-Saharan Africa.
Diomedeoides is a prehistoric genus of seabirds. The family was in the order Procellariiformes which today is composed of the albatrosses and petrels. At present it is the only genus in the family Diomedeoididae. There are three described species. The taxonomy of the family and genus is still in need to revision, and it is likely that the genus name Diomedeoides is actually the junior synonym to Rupelornis.
The Myuchelys is a genus of turtles, the Australian saw-shelled turtles, in the family Chelidae and subfamily Chelodininae. They inhabit the headwaters and tributaries of rivers within their range and this led to the name Myuchelys, which is formed from the Aboriginal word myuna meaning clear water and the Greek chelys meaning turtle. They have a short neck and the intergular scute completely separates the gular scutes. They have no alveolar ridge separating them from the snapping turtles of the genus Elseya.
Olivella, common name the dwarf olives, is a genus of small predatory sea snails, marine gastropod molluscs in the subfamily Olivellinae of the family Olividae, the olives. Olivella is the type genus of the family.
Euperipatoides is a genus of ovoviviparous velvet worms in the family Peripatopsidae. All species are found in New South Wales, Australia. E. rowelli is also found in the Australian Capital Territory.
Hemicentetes is a genus of tenrec with two species, present on the island of Madagascar.
Labidiaster annulatus, the Antarctic sun starfish or wolftrap starfish is a species of starfish in the family Heliasteridae. It is found in the cold waters around Antarctica and has a large number of slender, flexible rays.
The Heliasteridae are a family of Asteroidea in the order Forcipulatida. It includes two genera: Heliaster from the East Pacific, and Labidiaster from southernmost South America, Antarctica and subantarctic oceans.
Pachyacanthus is an extinct genus of toothed whale that lived about 15.97 to 2.589 million years ago. It contains the single species Pachyacanthus suessi. The genus is known from European deposits in Hungary, Kazakhstan, Austria and Italy. The type specimen consisted of a few fragments of a rostrum and two fragmentary tympanic bullae. Skeletons from the Sarmatian of Austria did not include skulls.
Kouriogenys is a genus of extinct mammal from the Early Cretaceous of southern England. The type and only species was originally described as Spalacotherium minus by Richard Owen in 1871 for a dentary with teeth from the Berriasian Lulworth Formation, although it was given its own genus in 2012 by Brian Davis. The genus name is taken from the Ancient Greek "youthful" and "jaw" in reference to the replacement method of the premolars. Kouriogenys is closely related to coexisting genera Peramus and Peramuroides, and along with other genera these make up the family Peramuridae, a group of extinct zatherians.
Labidiaster radiosus, the fragile sticky ray star, is a large species of starfish in the family Heliasteridae and was first described by Lütken in 1871. It is found in the waters of southern South America to Sub-Antarctica and the Antarctic Peninsula.
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