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Acari

The Acari are a taxon of arachnids that contains mites and ticks. The diversity of the Acari is extraordinary and their fossil history goes back to at least the early Devonian period. Acarologists have proposed a complex set of taxonomic ranks to ...

Chimaera

Chimaeras are cartilaginous fish in the order Chimaeriformes, known informally as ghost sharks, rat fish, spookfish or rabbit fish, the last three names are not to be confused with rattails, Opisthoproctidae or Siganidae, respectively. At the tim ...

Holocephali

The subclass Holocephali is a taxon of cartilaginous fish in the class Chondrichthyes. The earliest fossils are of teeth and come from the Devonian period. Little is known about these primitive forms, and the only surviving group in the subclass ...

Tetrapodomorpha

The Tetrapodomorpha are a clade of vertebrates consisting of tetrapods and their closest sarcopterygian relatives that are more closely related to living tetrapods than to living lungfish. Advanced forms transitional between fish and the early la ...

Penaeoidea

Penaeoidea is the larger of the two superfamilies of prawns. It comprises eight families, three of which are known only from fossils. The fossil record of the group stretches back to Aciculopoda, discovered in Famennian sediments in Oklahoma. Sic ...

Stegocephalia

Stegocephalia is a name used for four-limbed stem-tetrapods, and their amphibian-grade descendants, and in phylogenetic nomenclature for all tetrapods. The term was coined in 1868 by American paleontologist Edward Drinker Cope and comes from Gree ...

Stenopodidea

The Stenopodidea is a small group of decapod crustaceans. Often confused with shrimp or prawns, they are neither, but belong in a group closer to the reptant decapods, such as lobsters and crabs. They may be easily recognised by their third perei ...

Arctacarus

These three species are members of the genus Arctacarus: Arctacarus dzungaricus Bregetova, 1977. Arctacarus rostratus Evans, 1955. Arctacarus beringianus Bregetova, 1977.

Cladolasma

Cladolasma, is a genus of harvestmen belonging to the family Nemastomatidae. The genus contains 4 species. They are confined to China, Japan and Thailand.

Decoy-building spider

Decoy-building spiders are relatively small spiders that create an object in their webs that resembles a much bigger spider. The building material for the false spider is debris, carcasses of food and even their own shed old skin. The first such ...

Haloterrigena turkmenica

Haloterrigena turkmenica is a halophilic archeon that was first isolated from sulfate saline soil located in Turkmenistan. However, it wasnt until 2008 that H. turkmenica was successfully grown in the lab on Horikoshi medium. Horikoshi medium con ...

Archaeoglobus

Archaeoglobus is a genus of the phylum Euryarchaeota. Archaeoglobus can be found in high-temperature oil fields where they may contribute to oil field souring.

Haloferax

Cells of H. mediterranei and cells of the related species H. volcanii can undergo a process of genetic exchange between two cells which involves cell fusion resulting in a heterodiploid cell containing two different chromosomes in one cell. Altho ...

Methanocella

In the taxonomy of microorganisms, the Methanocella are a genus of the Euryarchaeota. Note: strains ♠ found at the National center for biotechnology information the NCBI website, but not listed in the list of prokaryotic names standing in nomencl ...

Methanothrix

In the taxonomy of microorganisms, the Methanothrix are a genus of the Euryarchaeota. Note: strains ♠ found at the National center for biotechnology information the NCBI website, but not listed in the list of prokaryotic names standing in nomencl ...

Natronomonas

Natronomonas pharaonis is an aerobic, extremely haloalkaliphilic archaeon that grows optimally in 3.5M sodium chloride and at pH 8.5, but is sensitive to high magnesium concentrations.

Staphylothermus

Desulfurococcaceae are anaerobic, sulfur respiring, extreme thermophiles. Desulfurococcaceae share the same family as Desulfurococcus. Two species of Staphylothermus have been identified: S. marinus and S. hellenicus. They are both heterotrophic, ...

Sulfolobus

Sulfolobus is a genus of microorganism in the family Sulfolobaceae. It belongs to the archaea domain. Sulfolobus species grow in volcanic springs with optimal growth at pH 2-3 and temperatures of 75-80 °C, making them acidophiles and thermophiles ...

Thermococcus

In taxonomy, Thermococcus is a genus of extreme thermophiles in the family the Thermococcaceae. Members of the genus Thermococcus are all archaea, having thermophillic-hyperthermophillic characteristics. These microorganisms are typically irregul ...

Korarchaeota

In taxonomy, the Korarchaeota are a phylum of the Archaea. The name is derived from the Greek noun koros or kore, meaning young man or young woman, and the Greek adjective archaios which means ancient. They are also known as Xenarchaeota.

Lokiarchaeota

Lokiarchaeota is a proposed phylum of the Archaea. The phylum includes all members of the group previously named Deep Sea Archaeal Group, also known as Marine Benthic Group B. A phylogenetic analysis disclosed a monophyletic grouping of the Lokia ...

Thorarchaeota

Candidatus Thorarchaeota ", or simply Thorarchaeota, is a phylum within the superphylum Asgard archaea. The Asgard superphylum represents the closest prokaryotic relatives of eukaryotes. Since there is such a close relation between the two differ ...

Mycobacterium obuense

Mycobacterium obuense is a species of Mycobacterium. Heat-killed Mycobacterium obuense is immunomodulatory and has been used to direct the immune response in the treatment of cancers - notably pancreatic cancer and malignant melanoma. Recent tria ...

Mycobacterium ulcerans liflandii

Mycobacterium ulcerans liflandii has been isolated from Xenopus tropicalis and Xenopus laevis in a laboratory in the US and causes a Mycobacterium ulcerans-like disease in anurans. The strain was unofficially titled under its own species name unt ...

Nocardia

Nocardia is a genus of weakly staining Gram-positive, catalase-positive, rod-shaped bacteria. It forms partially acid-fast beaded branching filaments. It contains a total of 85 species. Some species are nonpathogenic, while others are responsible ...

Anaerobiospirillum

Anaerobiospirillum is a Gram-negative anaerobic bacteria recognized as human flora in human gastrointestinal tract, mainly in the human feces.

Bacteroidetes

The phylum Bacteroidetes is composed of three large classes of Gram-negative, nonsporeforming, anaerobic or aerobic, and rod-shaped bacteria that are widely distributed in the environment, including in soil, sediments, and sea water, as well as i ...

Bdellovibrio

Bdellovibrio is a genus of Gram-negative, obligate aerobic bacteria. One of the more notable characteristics of this genus is that members can prey other Gram-negative bacteria and feed on the biopolymers, e.g. proteins and nucleic acids, of thei ...

Brachyspira

Brachyspira is a genus of bacteria classified within the phylum Spirochaetes. Species include Brachyspira pathogens in pigs, birds, dogs and people. B. pilosicoli colonizes the millions of people worldwide, leading to intestinal spirochaetosis hu ...

Budviciaceae

The Budviciaceae are a family of Gram-negative bacteria. This family is a member of the order Enterobacterales in the class Gammaproteobacteria of the phylum Proteobacteria. Genera in this family include the type genus Budvicia, along with Lemino ...

Cardiobacterium

Cardiobacterium is a Gram-negative bacillus bacterium commonly grouped with other bacteria into the HACEK group. Species of Cardiobacterium include Cardiobacterium hominis and Cardiobacterium valvarum.

Cardiobacterium hominis

Cardiobacterium hominis is a Gram-negative bacillus bacterium commonly grouped with other bacteria into the HACEK group. It is one of several bacteria that is normally present in the mouth and upper part of the respiratory tract such as nose and ...

Desulfurobacterium atlanticum

Desulfurobacterium atlanticum is a thermophilic, anaerobic and chemolithoautotrophic bacterium from the family Aquificaceae. In 2006 it was isolated from marine hydrothermal systems and proposed to become a new bacterial species.

Devosia soli

Devosia soli is a Gram-negative, obligately aerobic, non-spore-forming, rod-shaped bacteria from the genus of Devosia which was isolated from greenhouse soil where lettuce grew, in the Daejeon City in the Republic of Korea.

Dialister

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature LPSN and National Center for Biotechnology Information NCBI and the phylogeny is based on 16S rRNA-based LTP release 111 by The All-Species Li ...

Enterobacter

Enterobacter is a genus of common Gram-negative, facultatively anaerobic, rod-shaped, non-spore-forming bacteria of the family Enterobacteriaceae. It is the type genus of the order Enterobacterales. Several strains of these bacteria are pathogeni ...

Enterobacter cowanii

Enterobacter cowanii is a Gram-negative, motile, facultatively-anaerobic, rod-shaped bacterium of the genus Enterobacter. The species is typically associated with natural environments and is found in soil, water, and sewage. E. cowanii is associa ...

Enterobacterales

Enterobacterales was proposed in 2005 under the name "Enterobacteriales". However, the name "Enterobacteriales" was not validated, thus it lacked standing in nomenclature, so the name should be written in parentheses. "Enterobacteriales" was a mo ...

Gluconacetobacter diazotrophicus

Gluconacetobacter diazotrophicus is a bacterium with a rod-like shape, has circular ends, and can be classified as a Gram-negative bacterium. The bacterium is known for stimulating plant growth and being tolerant to acetic acid. With one to three ...

Haemophilus haemolyticus

Haemophilus haemolyticus is a species of gram-negative bacteria that is related to Haemophilus influenzae. H. haemolyticus is generally nonpathogenic, however there have been two cases of H.haemolyticus causing endocarditis. There is active resea ...

Hafniaceae

The Hafniaceae are a family of Gram-negative bacteria. This family is a member of the order Enterobacterales in the class Gammaproteobacteria of the phylum Proteobacteria. Genera in this family include the type genus Hafnia, along with Edwardsiel ...

Kingella kingae

Kingella kingae is a species of Gram-negative facultative anaerobic β-hemolytic coccobacilli. First isolated in 1960 by Elizabeth O. King, it was not recognized as a significant cause of infection in young children until the 1990s, when culture t ...

Klebsiella huaxiensis

Klebsiella huaxiensis is a pathogenic gram-negative bacterium in the family Enterobacteriaceae. It is gas-producing, non-motile, and does not form spores. This bacterium has the ability to grow on trypticase soy agar, Mueller-Hinton agar lysogeny ...

Legionella clemsonensis

Legionella ” is named after the American Legion convention where the first outbreak occurred, killing 34 people and sickening 221 individuals in 1976. It occurred in Philadelphia during the convention for the association of the U.S. veterans. The ...

Morax-Axenfeld diplobacilli

Moraxella lacunata is a rod-shaped, Gram-negative, nonmotile bacterium, generally present as diploid pairs. It causes one of the commonest forms of catarrhal conjunctivitis.

Moraxella

Moraxella is a genus of Gram-negative bacteria in the Moraxellaceae family. It is named after the Swiss ophthalmologist Victor Morax. The organisms are short rods, coccobacilli, or as in the case of Moraxella catarrhalis, diplococci in morphology ...

Moraxella osloensis

Moraxella osloensis is a Gram-negative oxidase-positive, aerobic bacterium within the family Moraxellaceae in the gamma subdivision of the purple bacteria. M. osloensis is mutualistically symbiont of the slug-parasitic nematode Phasmarhabditis he ...

Morganellaceae

The Morganellaceae are a family of Gram-negative bacteria that include some important human pathogens formerly classified as Enterobacteriaceae. This family is a member of the order Enterobacterales in the class Gammaproteobacteria of the phylum ...

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