Топ-100 ★ Free online encyclopedia. Did you know? page 259

★ Free online encyclopedia. Did you know? page 259



                                               

Phasmatodea

The Phasmatodea are an order of insects whose members are variously known as stick insects, stick-bugs, walking sticks or bug sticks. They are generally referred to as phasmatodeans, phasmids, or ghost insects. Phasmids in the family Phylliidae a ...

                                               

Polymixia

Polymixia is the only extant genus of the order Polymixiiformes and the only genus in Polymixiidae. It contains 10 species, all of which live in deepwater marine environments. They are found in tropical and subtropical waters of the Atlantic, Ind ...

                                               

Potamonautes

Potamonautes is a genus of African freshwater crabs in the family Potamonautidae. It is both the most widespread and most diverse genus of African freshwater crabs, including more than half the species of this continent. They are found in most fr ...

                                               

Proteaceae

The Proteaceae are a family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genera with about 1.660 known species. Together with the Platanaceae and Nelumbonaceae, they make up the order Proteales ...

                                               

Spatangus

Spatangus is a genus of heart urchins in the Spatangidae family. The genus is synonymous with the previously recognised genera Prospatangus Lambert, 1902 and Spatagus. There are nine recognised species. The type species is Spatangus purpureus Mul ...

                                               

Taxodium

Taxodium is a genus of one to three species of extremely flood-tolerant conifers in the cypress family, Cupressaceae. The generic name is derived from the Latin word taxus, meaning "yew", and the Greek word εἶδος, meaning "similar to." Within the ...

                                               

Temnopleuridea

Temnopleuridea is an infraorder of sea urchins in the order Camarodonta. They are distinguished from other sea urchins by the presence of large fused plates on top of the feeding lantern. The test is usually sculpted to some degree, and has perfo ...

                                               

Tetraodontiformes

The Tetraodontiformes are an order of highly derived ray-finned fish, also called the Plectognathi. Sometimes these are classified as a suborder of the order Perciformes. The Tetraodontiformes are represented by 10 extant families and at least 34 ...

                                               

Varanoidea

Varanoidea is a superfamily of lizards, including the well-known family Varanidae. Also included in the Varanoidea are the Lanthanotidae, and the extinct Palaeovaranidae. Throughout their long evolutionary history, varanoids have demonstrated gre ...

                                               

Volutomitra

Species in the genus Volutomitra include: Volutomitra blanfordi Melvill & Standen, 1901. Volutomitra obscura Hutton, 1873. Volutomitra rosadoi R. Salisbury & Gori, 2019. † Volutomitra othoniana Finlay, 1924. † Volutomitra incisa Marwick, 1942. † ...

                                               

Xenophora

Xenophora, commonly called carrier shells, is a genus of medium-sized to large sea snails, marine gastropod mollusks in the family Xenophoridae, the carrier snails or carrier shells. The genus Xenophora is the type genus of the family Xenophorida ...

                                               

Zeiformes

The Zeiformes are a small order of marine ray-finned fishes most notable for the dories, a group of common food fish. The order consists of about 33 species in seven families, mostly deep-sea types. Zeiform bodies are usually thin and deep. Mouth ...

                                               

Caecilian

Caecilians are a group of limbless, serpentine amphibians. They mostly live hidden in the ground and in stream substrates, making them the least familiar order of amphibians. All modern caecilians and their closest fossil relatives are grouped as ...

                                               

Carpet shark

Carpet sharks are sharks classified in the order Orectolobiformes. Sometimes the common name "carpet shark" is used interchangeably with "wobbegong", which is the common name of sharks in the family Orectolobidae. Carpet sharks have five gill sli ...

                                               

Diadematoida

The Diadematoida are an order of sea urchins. They are distinguished from other sea urchins by the fact that their spines are hollow, or at best have an open mesh at the core, and by the presence of 10 buccal plates around the mouth. Their tests ...

                                               

Echinacea (animal)

The Echinacea are a superorder of sea urchins. They are distinguished by the presence of a rigid test, with ten buccal plates around the mouth, and solid spines. Unlike some other sea urchins, they also possess gills. The group is a large one, wi ...

                                               

Glomerula

Glomerula is a genus of polychaete worm in the family Sabellidae. It differs from all other Sabellidae in having a calcareous tube and spinose setae. Only one living species, G. piloseta, is known from Lizard Island, Great Barrier Reef, Australia ...

                                               

Gnathostomata (echinoid)

The Gnathostomata are a superorder of sea urchins, including the familiar sand dollars. Gnathostomatans have an irregular shape, but unlike other irregular sea urchins, possess light for feeding. The mouth is in the center of the lower surface, a ...

                                               

Holectypoida

In appearance, the living holectypoids are similar to sand dollars, but with less flattened bodies and an oval outline. They also lack the petal-like patterns found on the bodies of sand dollars.

                                               

Mantispidae

Mantispidae, known commonly as mantidflies, mantispids, mantid lacewings or mantis-flies, is a family of small to moderate-sized insects in the order Neuroptera. There are many genera with around 400 species worldwide, especially in the tropics a ...

                                               

Metasuchia

Metasuchia is a major clade within the superorder Crocodylomorpha. It is split into two main groups, Notosuchia and Neosuchia. Notosuchia is an extinct group that contains primarily small-bodied Cretaceous taxa with heterodont dentition. Neosuchi ...

                                               

Neosuchia

Neosuchia is a clade within Mesoeucrocodylia that includes all modern extant crocodilians and their closest fossil relatives. It is defined as the most inclusive clade containing all crocodylomorphs more closely related to Crocodylus niloticus th ...

                                               

Phymosomatoida

The Phymosomatoida are an order of sea urchins, found in Europe, North America, North Africa and the Middle East. They differ from other sea urchins by the presence of large fused plates on the top of the lantern feeding. Test is usually sculpted ...

                                               

Snakefly

Snakeflies are a group of predatory insects comprising the order Raphidioptera with two extant families: Raphidiidae and Inocelliidae, consisting of roughly 260 species. In the past, the group had a much wider distribution than it does now, snake ...

                                               

Tetanurae

Tetanurae is a clade that includes most theropod dinosaurs, including megalosauroids, allosauroids, tyrannosauroids, ornithomimosaurs, maniraptorans, and birds. Tetanurans are defined as all theropods more closely related to modern birds than to ...

                                               

Achelata

The name "Achelata" derives from the fact that all the members of this group lack the chelae claws that are found on almost all other decapods. They are further united by the great enlargement of the first antennae, by the special "phyllosoma" fo ...

                                               

Ampullariidae

Ampullariidae, common name the apple snails, is a family of large freshwater snails, aquatic gastropod mollusks with a gill and an operculum. This family is in the superfamily Ampullarioidea and is the type family of that superfamily. In the Ampu ...

                                               

Avialae

Avialae is a clade of flying dinosaurs containing the only living dinosaurs, the birds. It is usually defined as all theropod dinosaurs more closely related to modern birds than to deinonychosaurs, though alternative definitions are occasionally ...

                                               

Bonefishes

Albulidae is a family of fish, commonly known as the bonefishes, that are popular as game fish in Florida, select locations in the South Pacific and the Bahamas and elsewhere. The family is small, with 11 species in 3 genera. Presently, the bonef ...

                                               

Cheilostomata

Cheilostomata, an order of Bryozoa in the class Gymnolaemata, are exclusively marine, colonial invertebrate animals. Cheilostome colonies are composed of calcium carbonate and grow on a variety of surfaces, including rocks, shells, seagrass and k ...

                                               

Eutheria

Eutheria is one of two mammalian clades with extant members that diverged in the Early Cretaceous or perhaps the Late Jurassic. Except for the North American Virginia opossum, which is a metatherian, all post-Miocene mammals indigenous to Europe, ...

                                               

Maniraptora

Maniraptora is a clade of coelurosaurian dinosaurs which includes the birds and the non-avian dinosaurs that were more closely related to them than to Ornithomimus velox. It contains the major subgroups Avialae, Deinonychosauria, Oviraptorosauria ...

                                               

Maniraptoriformes

Maniraptoriformes is a clade of dinosaurs with pennaceous feathers and wings that contains ornithomimosaurs and maniraptors. This group was named by Thomas Holtz, who defined it as "the most recent common ancestor of Ornithomimus and birds, and a ...

                                               

Munididae

The squat lobsters in the family Munididae can be distinguished from other families by the presence of a trispinose frontal edge to the carapace, as well as a central rostrum, and two spines extend forward from above the eyes. Although a few spec ...

                                               

Osteoglossiformes

Osteoglossiformes is a relatively primitive order of ray-finned fish that contains two sub-orders, the Osteoglossoidei and the Notopteroidei. All of at least 245 living species inhabit freshwater. They are found in South America, Africa, Australi ...

                                               

Osteoglossomorpha

A notable member is the Arapaima gigas, the largest freshwater fish in South America and one of the largest bony fishes alive. Other notable members include the bizarre freshwater elephantfishes of family Mormyridae, and the extinct predator, Xip ...

                                               

Otinidae

                                               

Pennaraptora

Pennaraptora is a clade defined as the most recent common ancestor of Oviraptor philoceratops, Deinonychus antirrhopus, and Passer domesticus, and all descendants thereof, by Foth et al., 2014. The earliest known definitive member of this clade i ...

                                               

Porcelain crab

Porcelain crabs are decapod crustaceans in the widespread family Porcellanidae, which superficially resemble true crabs. They have flattened bodies as an adaptation for living in rock crevices. They are delicate, readily losing limbs when attacke ...

                                               

Protacanthopterygii

Protacanthopterygii is a ray-finned fish taxon ranked as a superorder of the infraclass Teleostei. They inhabit both marine and freshwater habitats. They appear to have evolved in the Cretaceous or perhaps late Jurassic, originating probably roug ...

                                               

Pylochelidae

The Pylochelidae are a family of hermit crabs. Its members are commonly called the symmetrical hermit crabs. They live in all the worlds oceans, except the Arctic and the Antarctic, at depths of 2.000 m. Due to their cryptic nature and relative s ...

                                               

Tachypleus

There are two extant living species: Tachypleus tridentatus Leach, 1819. Tachypleus gigas Muller, 1785. And two extinct species known only from fossils: Tachypleus syriacus Woodward, 1879. Tachypleus gadeai Via Boada & Villalta, 1966.

                                               

Akera

Akera is a primitive genus. These sea hares do not fit completely in their external shell, it just covers their visceral hump which is positioned at the posterior end of their bodies. Their streamlined bodies are adapted for burrowing.

                                               

Arbacioida

The Arbacioida are an order of sea urchins, consisting of a single family, the Arbaciidae. They are distinguished from other sea urchins by the presence of five separate plates around the anus. Unlike their close relatives, the Salenioida, all of ...

                                               

Asthenosoma

The World Echinoidea Database recognises the following species: Asthenosoma varium Grube, 1868 – "fire sea urchin". Asthenosoma ijimai Yoshiwara, 1897. Asthenosoma intermedium H.L. Clark, 1938. Asthenosoma marisrubri Weinberg & de Ridder, 1998 – ...

                                               

Cladotheria

Cladotheria is a group of mammals that includes the ancestor of Dryolestoidea, Peramuridae and Zatheria.

                                               

Coleorrhyncha

Coleorrhyncha or Peloridiomorpha, also known as moss bugs or beetle bugs, are a suborder of Hemiptera and represent an ancient lineage of moss-feeding insects that evolved in the southern paleo-continent Gondwana. They show some similarities to t ...

                                               

Echinothuriidae

The Echinothuriidae are a family of sea urchins in the order Echinothurioida. Due to their soft skeletons, most are called "leather urchins", but species in the genus Asthenosoma are also known as "fire urchins" due to their bright colors and pai ...

                                               

Echinothurioida

The Echinothurioida are an order of sea urchins in the class Echinoidea. Echinothurioids are distinguished from other sea urchins by the combination of a flexible test and hollow spines. The membrane around the mouth contains only simple plates, ...

                                               

Elopiformes

The Elopiformes are the order of ray-finned fish including the tarpons, tenpounders, and ladyfish, as well as a number of extinct types. They have a long fossil record, easily distinguished from other fishes by the presence of an additional set o ...

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