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Cottidae

The Cottidae are a family of fish in the superfamily Cottoidea, the sculpins. It is the largest sculpin family, with about 275 species in 70 genera. They are referred to simply as cottids to avoid confusion with sculpins of other families. Cottid ...

Curassow

Curassows are one of the three major groups of cracid birds. Three of the four genera are restricted to tropical South America, a single species of Crax ranges north to Mexico. They form a distinct clade which is usually classified as the subfami ...

Cyprinodontiformes

Cyprinodontiformes is an order of ray-finned fish, comprising mostly small, freshwater fish. Many popular aquarium fish, such as killifish and live-bearers, are included. They are closely related to the Atheriniformes and are occasionally include ...

Elachorbis

The exact placement of this genus has long been contested. Tom Iredale Elachorbis established in 1914 in the family Liotiidae. Cotton 1945 Elachorbis also classified in the family Liotiidae. Powell 1979, and itis Elachorbis 2011 are classified in ...

Helix (gastropod)

Helix is a genus of large, air-breathing land snails native to Europe and the Mediterranean region. They are the type genus of the family Helicidae and among the first animal genera described by Carl Linnaeus. Members of the genus first appeared ...

Mercenaria

Mercenaria is a genus of edible saltwater clams, marine bivalve molluscs in the family Veneridae, the Venus clams. The genus Mercenaria includes mussels, consisting of Mercenaria the Northern Quahog or hard clam, and M. campechiensis, the souther ...

Metacarcinus

Metacarcinus is a genus of crabs formerly included in the genus Cancer. It includes nine exclusively fossil species and five extant species, of which four are also known from the fossil record. The monophyly of this genus was not supported by a m ...

Nephrops

Nephrops is a genus of lobsters comprising a single extant species, Nephrops norvegicus, and several fossil species. It was erected by William Elford Leach in 1814, to accommodate N. norvegicus alone, which had previously been placed in genera su ...

Notoplax

Notoplax mayi Ashby, 1922. Notoplax richardi Kaas, 1990. Notoplax wilsoni Sykes, 1896. Notoplax addenda Iredale & Hull, 1925. Notoplax gabrieli Ashby, 1922. Notoplax holosericea Nierstrasz, 1905. Notoplax magellanica Thiele, 1909. Notoplax hirta ...

Oregonia (genus)

Oregonia is a genus of crabs, comprising two extant species and one fossil species: It is classified in the family Oregoniidae under the spider crab superfamily Majoidea.

Phalangeriformes

Phalangeriformes is a suborder of any of about 70 small to medium-sized arboreal marsupial species native to Australia, New Guinea, and Sulawesi. The suborder includes animals commonly known as possums, gliders, and cuscus. The common name "possu ...

Phiomorpha

The rodent parvorder or infraorder Phiomorpha comprises several living and extinct families found wholly or largely in Africa. Along with the Anomaluromorpha and perhaps the †Zegdoumyidae, they represent one of the few early colonizations of Afri ...

Protoma

Extant species within the genus Protoma include: Protoma knockeri Baird, 1870. Species brought into synonymy Protoma capensis Krauss, 1848: synonym of Turritella capensis Krauss, 1848.

Rhabdammina

Rhabdammina is a genus in the family Rhabdamminidae of textulariid foraminifera. Rhabdammina species are vagile, inbenthos foraminiferans, usually found in deep sea regions with normal salinity.

Scutellidae

As of 2017, the World Register of Marine Species recognizes the following seven genera in this family: Scaphechinus A. Agassiz, 1864. † Allaster Nisiyama, 1968. † Scutella Lamarck, 1816. † Parascutella Durham, 1953. † Remondella Durham, 1955. † S ...

Sylvioidea

Sylvioidea is a superfamily of passerine birds, one of at least three major clades within the Passerida along with the Muscicapoidea and Passeroidea. It contains about 1300 species including the Old World warblers, Old World babblers, swallows, l ...

Triloculinella

Triloculinella is a genus of Miliolacean forams with a fusiform to asymmetrically globular test. Inner chambers, one-half coil in length, are crypto-quinqueloculine to quinqueloculine in arrangement, The final three to five visible from the exter ...

Afroaves

Afroaves is a clade of birds, consisting of the kingfishers and kin, woodpeckers and kin, hornbills and kin, trogons, cuckoo roller, mousebirds, owls, raptors and New World vultures. The most basal clades are predatory, suggesting the last common ...

Afrotheria

Afrotheria is a clade of mammals, the living members of which belong to groups that are either currently living in Africa or of African origin: golden moles, elephant shrews, tenrecs, aardvarks, hyraxes, elephants, sea cows, and several extinct c ...

Ampullinopsis

Ampullinopsis is an extinct taxonomic genus of deep-water sea snails, marine gastropod molluscs in the clade Sorbeoconcha. These sea snails were epifaunal grazers. Sea snails of this genus lived from Paleocene epoch to Miocene epoch.

Apodiformes

Traditionally, the bird order Apodiformes contained three living families: the swifts, the treeswifts, and the hummingbirds. In the Sibley-Ahlquist taxonomy, this order is raised to a superorder Apodimorphae in which hummingbirds are separated as ...

Astraea (gastropod)

Shells of species within this genus can reach a size of about 60 millimetres 2.4 in. They have the appearance of a smooth conical shell. The outer edges of the coiled whorls are quite flattened, with prominent axial sculpture. Below widely it is ...

Atlantogenata

Atlantogenata is a proposed clade of mammals containing the cohorts or superorders Xenarthra and Afrotheria. These groups originated and radiated in the South American and African continents, respectively, presumably in the Cretaceous. Together w ...

Bathytoma

This genus is known in the fossil records from the Paleocene to the Quaternary age range: from 55.8 to 0.781 million years ago. Fossils are found in the marine strata throughout the world.

Carpilioidea

Carpilioidea is a superfamily of crabs containing a single extant family, Carpiliidae and three extinct families. The modern range of the family includes the Indo-Pacific, Western Atlantic and Caribbean Sea. The fossil record of the group extends ...

Cassis (gastropod)

Cassis, common name the helmet shells, is a genus of very large sea snails, marine gastropod mollusks in the family Cassidae, the helmet shells and their allies. This is the type genus of the subfamily Cassinae.

Cibicides

Cibicides is a genus of cosmopolitan benthic foraminifera known from at least as far back as the Paleocene that extends down to the present. Test, or shell, Cibicides, which is usually attached, it is a multichambered, PLANO-convex, trochospiral, ...

Cucurbitaceae

The Cucurbitaceae, also called cucurbits or the gourd family, are a plant family consisting of about 965 species in around 95 genera, the most important of which are: Cucurbita – squash, pumpkin, zucchini, some gourds. Luffa – the common name is ...

Euarchonta

The Euarchonta are a proposed grandorder of mammals containing four orders: the Scandentia or treeshrews, the Dermoptera or colugos, the extinct Plesiadapiformes, and the Primates. The term "Euarchonta" Waddell et al. 1999, Which means "true ance ...

Euarchontoglires

Euarchontoglires is a clade and a superorder of mammals, the living members of which belong to one of the five following groups: rodents, lagomorphs, treeshrews, colugos and primates.

Fungus-growing ants

Fungus-growing ants comprise all the known fungus-growing ant species participating in ant-fungus mutualism. They are known for cutting grasses and leaves, carrying them to their colonies nests, and growing fungi on them on which they later feed. ...

Galliformes

Galliformes is an order of heavy-bodied ground-feeding birds that includes turkey, grouse, chicken, New World quail and Old World quail, ptarmigan, partridge, pheasant, francolin, junglefowl and the Cracidae. The name derives from "gallus", Latin ...

Gemmula

Gemmula, common name the gem turrids, is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids. These snails have been recorded as fossils from the Paleocene to the Quaternary from 66.043 to 0.012 MA. Fossils have b ...

Glires

Glires is a clade consisting of rodents and lagomorphs. The hypothesis that these form a monophyletic group has been long debated based on morphological evidence. Two morphological studies, published in 2001 and 2003, strongly support the monophy ...

Gnathophis

There are currently 27 recognized species in this genus: Gnathophis asanoi Karmovskaya, 2004. Gnathophis longicauda E. P. Ramsay & J. D. Ogilby, 1888 Little conger. Gnathophis cinctus Garman, 1899 Hardtail conger. Gnathophis codoniphorus Maul, 19 ...

Haplorhini

Haplorhini is a suborder of primates containing the tarsiers and the simians, as sister of the Strepsirrhini. The name is sometimes spelled Haplorrhini. The simians include catarrhines, and the platyrrhines. Extinct omomyids, which are considered ...

Hexaplex

Hexaplex is a genus of medium-sized to large sea snails, marine gastropod mollusks in the family Muricidae, the murex shells or rock snails. This genus known in the fossil record from the Paleocene to the Quaternary period age range: from 61.7 to ...

Iridaceae

Iridaceae is a family of plants in order Asparagales, taking its name from the irises, meaning rainbow, referring to its many colours. There are 66 accepted genera with a total of c. 2244 species worldwide. It includes a number of other well know ...

Lemuriformes

Lemuriformes is an infraorder of primate that falls under the suborder Strepsirrhini. It includes the lemurs of Madagascar, as well as the galagos and lorisids of Africa and Asia, although a popular alternative taxonomy places the lorisoids in th ...

Marsupial

Marsupials are any members of the mammalian infraclass Marsupialia. All extant marsupials are endemic to Australasia and the Americas. A distinctive characteristic common to these species is that most of the young are carried in a pouch. Well-kno ...

Pacific giant salamander

Individuals may grow up to 30 cm 12 in long. While most salamanders are silent, the Pacific giant Salamander is one of several salamanders that have vocal abilities. When alarmed, these salamanders may respond with a hoarse-sounding cry similar t ...

Paenungulata

Paenungulata is a clade of "sub-ungulates", which groups three extant mammal orders: Proboscidea, Sirenia, and Hyracoidea. At least two more possible orders are known only as fossils, namely Embrithopoda and Desmostylia. Although morphological ev ...

Polinices

Species within the genus Polinices include: Species brought into synonymy Polinices rapulum Reeve, 1855: synonym of Polinices intemeratus Philippi, 1853. Polinices alderi Forbes, 1838: synonym of Euspira pulchella Risso, 1826. Polinices ravidus S ...

Sand dollar

The term sand dollar refers to species of extremely flattened, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are known as sea biscuits. Sand dollars can also be called "sand cakes" ...

Scaphella

There are both living and fossil species in this genus, which first appeared in the Paleocene. The fusiform, patterned shell is small to large. The protoconch is smooth and papilliform, often with a calcarella. The columellar plates are weak or a ...

Schizaster

Extant and extinct species within this genus include: The fossil record of the genus dates back to the age range of the Paleocene: 66.043 to 0.012 million years ago. These fossils have been found all over the world.

Sea butterfly

Sea butterflies, scientific name Thecosomata, are a taxonomic suborder of small pelagic swimming sea snails. These are holoplanktonic opisthobranch gastropod mollusks in the informal group Opisthobranchia. They include some of the worlds most abu ...

Strisores

Strisores is a clade of birds. It includes the living families and orders Caprimulgidae, Nyctibiidae, Steatornithidae, Podargidae, Apodiformes, as well as the Aegotheliformes whose distinctness was only recently realized. The Apodiformes and the ...