ⓘ Free online encyclopedia. Did you know? page 351

Tonna tessellata

Tonna tessellata, the mosaic tun, tessellate tun or maculated tun, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae.

Toxopneustes pileolus

Toxopneustes pileolus, commonly known as the flower urchin, is a widespread and commonly encountered species of sea urchin from the Indo-West Pacific. It is considered highly dangerous, as it is capable of delivering extremely painful and medical ...

Tridacna squamosa

Tridacna squamosa, known commonly as the fluted giant clam and scaly clam, is one of a number of large clam species native to the shallow coral reefs of the South Pacific and Indian Oceans. It is distinguished by the large, leaf-like fluted edges ...

Trigoniidae

Trigoniidae is a taxonomic family of saltwater clams, marine bivalve mollusks in the superfamily Trigonioidea. There is only one living genus, Neotrigonia, but in the geological past this family was well represented, widespread and common. The sh ...

Tritonioidea

Tritonioidea is a superfamily of small sea slugs, nudibranchs, shell-less marine gastropod mollusks in the clade Dendronotida. Tritonioidea is the only superfamily in the clade Dendronotida. The taxonomy of Bouchet & Rocroi for the clade Dendrono ...

Turrilites

Turrilites is a genus of helically coiled ammonoid cephalopods from the lower part of the Upper Cretaceous ; generally included in the Ancyloceratina. Previously it was included in the ammonoid suborder, Lytoceratina. The shell of Turrilites is t ...

Vaccinium myrsinites

Vaccinium myrsinites is a species of flowering plant in the heath family known by the common name shiny blueberry. It is native to the southeastern United States from Alabama, Georgia, South Carolina and Florida. It may occur as far west as Louis ...

Vasum globulus

Vasum globulus is a rare species of medium-sized predatory sea snail, a marine gastropod mollusk in the family Turbinellidae, subfamily Vasinae, the vase snails.

Venericardia

Venericardia is a widely distributed genus of marine bivalve molluscs, in the family Carditidae. It is the type genus of subfamily Venericardiinae. The closely related Purpurocardia was for long included here as a subgenus, but is increasingly co ...

Zanthoxylum rhoifolium

Zanthoxylum rhoifolium is a species of tree in the citrus family known by the common names mamica de cadela, tambataru, and prickly ash. It is native to South America. It is a common tree on the Cerrado.

Centrosaurus

Centrosaurus is a genus of herbivorous ceratopsian dinosaurs from the Late Cretaceous of Canada. Their remains have been found in the Dinosaur Park Formation, dating from 76.5 to 75.5 million years ago.

Chasmosaurus

Chasmosaurus is a genus of ceratopsid dinosaur from the Upper Cretaceous Period of North America. Its name means opening lizard, referring to the large openings in its frill. With a length of 4.3–4.8 metres and a weight of 1.5–2 tonnes, Chasmosau ...

Edmontosaurus

Edmontosaurus is a genus of hadrosaurid dinosaur. It contains two known species: Edmontosaurus regalis and Edmontosaurus annectens. Fossils of E. regalis have been found in rocks of western North America that date from the late Campanian stage of ...

Eoceratops

Eoceratops is a genus of ceratopsian dinosaur containing the single species Eoceratops canadensis. It is a chasmosaurine ceratopsian which lived during the Late Cretaceous period, in what is now Western Canada. In 1901, Lawrence Morris Lambe at t ...

Euoplocephalus

Euoplocephalus is a genus of very large, herbivorous ankylosaurian dinosaurs, living during the Late Cretaceous of Canada. It has only one named species, Euoplocephalus tutus. The first fossil of Euoplocephalus was found in 1897 in Alberta. In 19 ...

Gorgosaurus

Gorgosaurus is a genus of tyrannosaurid theropod dinosaur that lived in western North America during the Late Cretaceous Period, between about 76.6 and 75.1 million years ago. Fossil remains have been found in the Canadian province of Alberta and ...

Gryposaurus

Gryposaurus lizard"; sometimes incorrectly translated as "griffin lizard") was a genus of duckbilled dinosaur that lived about 83 to 74 million years ago, in the Late Cretaceous of North America. Named species of Gryposaurus are known from the Di ...

Mycale adhaerens

Mycale adhaerens, the purple scallop sponge, is a species of marine demosponge in the family Mycalidae. Mycale is a large genus and this species is placed in the subgenus Aegogropila making its full name, Mycale adhaerens. It grows symbiotically ...

Panoplosaurus

Panoplosaurus is a genus of nodosaurid dinosaur. It was one of the last known nodosaurids, living during the Late Cretaceous in what is now North America; fossils have been located in Alberta, Canada.

Stegoceras

Stegoceras is a genus of pachycephalosaurid dinosaur that lived in what is now North America during the Late Cretaceous period, about 77.5 to 74 million years ago. The first specimens from Alberta, Canada, were described in 1902, and the type spe ...

Styracosaurus

Styracosaurus is a genus of herbivorous ceratopsian dinosaur from the Cretaceous Period, about 75.5 to 75 million years ago. It had four to six long parietal spikes extending from its neck frill, a smaller jugal horn on each of its cheeks, and a ...

Archaeopsittacus

Archaeopsittacus is a genus of prehistoric parrot. It is known from deposits of either Late Oligocene or Early Miocene age at Verreaux near Saint-Gerand-le-Puy, France. A single species, Archaeopsittacus verreauxi, is known. The genus was apparen ...

Gallornis

Gallornis is a genus of prehistoric birds from the Cretaceous. The single known species Gallornis straeleni lived near todays Auxerre in Yonne departement ; it has been dated very tentatively to the Berriasian-Hauterivian stages, that is about 14 ...

Proardea

Proardea is an extinct genus of heron, containing two species, Proardea amissa and Proardea? deschutteri from the Borgloon Formation of Belgium. It stood about 70 cm tall and was very similar to a modern heron in shape. The species is known from ...

Pseudodontornis

Pseudodontornis is a rather disputed genus of the prehistoric pseudotooth birds. The pseudotooth birds or pelagornithids were probably rather close relatives of either pelicans and storks, or of waterfowl, and are here placed in the order Odontop ...

Arachnomorpha

Arachnomorpha is a subdivision or clade of Arthropoda, comprising the monophyletic group formed by the trilobites, other great appendage arthropods and trilobite-like families, and a diverse sister clade including the chelicerates. Great debate i ...

Cucujiformia

Cucujiformia is an infraorder of polyphagan beetles, representing most plant-eating beetles. The infraorder contains seven superfamilies: Chrysomeloidea ~7 families including longhorn beetles and leaf beetles Curculionoidea ~8 families primarily ...

Embioptera

The order Embioptera, commonly known as webspinners or footspinners, are a small group of mostly tropical and subtropical insects, classified under the subclass Pterygota. The order has also been called Embiodea or Embiidina. More than 400 specie ...

Macrodontia batesi

Macrodontia batesi is a species in the long-horned beetle genus Macrodontia. This species is among the largest beetles, and specimens have been known to exceed 11 centimetres in length. A fair bit of this length, however, is due to the enormous m ...

Rove beetle

The rove beetles are a family of beetles, primarily distinguished by their short elytra that typically leave more than half of their abdominal segments exposed. With roughly 63.000 species in thousands of genera, the group is currently recognized ...

Staphyliniformia

Staphyliniformia is a large infraorder of beetles. It contains over 70.000 described species from all regions of the world. Most species occur in moist habitats - various kinds of rotting plant debris, fungi, dung, carrion, many live in fresh water.

Andean avocet

The Andean avocet is a large wader in the avocet and stilt bird family, Recurvirostridae. It is resident in the Andes, breeding above 3500 m in northwestern Argentina, western Bolivia, northern Chile and southern Peru.

Chilean hawk

The Chilean hawk is a bird of prey species belonging to the typical hawks. It breeds in Andes forests from central Chile and western Argentina south to Tierra del Fuego, from sea level to 2.700 m altitude. Some winter apparently in the lowlands o ...

Masafuera rayadito

The Masafuera rayadito is a rare bird endemic to Alejandro Selkirk Island in the Juan Fernandez Islands. The species is a member of the ovenbird family and only one of two species in the rayadito genus. The species natural habitat is humid montan ...

Peruvian tern

The Peruvian tern, chirrio or gaviotin Chico is a species of tern in the family Laridae. Found in northern Chile, Ecuador, and Peru, its natural habitats are hot deserts, sandy shores, and coastal saline lagoons. It is threatened by habitat loss.

Short-billed miner

The short-billed miner is a species of bird in the family Furnariidae, probably the most southerly breeding passerine in the world. It weighs around 37 grams and is typically around 14 centimetres in length including the tail, which when in fligh ...

Thick-billed siskin

The thick-billed siskin is a species of finch in the family Fringillidae. Found in Argentina, Bolivia, Chile, and Peru, its natural habitats are subtropical or tropical moist montane forests and subtropical or tropical high-altitude shrubland.

Acrocanthosaurus

Acrocanthosaurus is a genus of theropod dinosaur that existed in what is now North America during the Aptian and early Albian stages of the Early Cretaceous. Like most dinosaur genera, Acrocanthosaurus contains only a single species, A. atokensis ...

Craspedacusta sowerbii

Craspedacusta sowerbii is a freshwater jellyfish in the phylum Cnidaria. Since it is classified as a hydrozoan, it is one of many jellyfish that are also known as hydromedusae. Hydromedusan jellyfish differ from scyphozoan jellyfish because they ...

Pyrenean rock lizard

The Pyrenean rock lizard is a species of lizards in the family Lacertidae. It is endemic to the Pyrenees where it occurs at high altitudes and is only active in summer.

Aegialiinae

Aegialiinae is a small subfamily of much larger family Scarabaeidae, which contains all species of scarab beetles. This subfamily contains four genera.

Ambassis macleayi

Ambassis macleayi, commonly known as Macleays glassfish, Macleays glass perchlet, Macleays perchlet, reticulated glassfish, reticulated perchlet, or network perchlet, is a species of freshwater fish in the family Ambassidae. It is native to north ...

Bigtooth river stingray

The bigtooth river stingray or Tocantins River ray is a species of freshwater fish in the family Potamotrygonidae. It is endemic to the lower Tocantins basin and Araguaia basin in Brazil, and prefers muddy bottoms. It is sometimes kept in aquaria ...

Colaspidea

Colaspidea is a genus of leaf beetles in the subfamily Eumolpinae. It is known from North America and the Mediterranean. It has recently been suggested that the Mediterranean species of Colaspidea are a sister genus to Chalcosicya, and that Colas ...

Colaspoides

Colaspoides is a genus of leaf beetles in the subfamily Eumolpinae. It is one of the largest genera in the subfamily, containing over 100 species worldwide. It is an extant genus but there is at least one species, C. eocenicus, found in Baltic am ...

Colasposoma

Colasposoma is a genus of leaf beetles in the subfamily Eumolpinae. It is known from Africa, Asia and Australia. C. sellatum, C. auripenne now known as C. viridicoeruleum and C. dauricum are known as pests of sweet potatoes.

Eastern Province rocky

The Eastern Province rocky, also known as rocky kurper, is a species of fish in the family Anabantidae. It is endemic to South Africa. It used to be found in small populations dispersed in small areas over a wide distribution throughout the Easte ...

Heteroclinus

There are currently 16 recognized species in this genus: Heteroclinus heptaeolus J. D. Ogilby, 1885 Ogilbys weedfish Heteroclinus antinectes Gunther, 1861 Natal weedfish Heteroclinus eckloniae McKay, 1970 Kelp weedfish Heteroclinus equiradiatus M ...

Hydrocynus vittatus

Hydrocynus vittatus, the African tigerfish, tiervis or ngwesh is a predatory freshwater fish distributed throughout much of Africa. This fish is generally a piscivore but it has been observed leaping out of the water and catching barn swallows in ...

Luciola

Luciola is a genus of "flashing" fireflies, especially well-known from Japan. They are often called "Japanese fireflies", but their members range farther into Asia and reach southern Europe and Africa. This genus is traditionally held to extend t ...