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Epithets of species or subspecies can be formed from simple or compound Latin or Neolatin adjectives [Rule 12c (1), Rule 13b]. Group A adjectives are declined according to the first (feminine) or second (masculine, neuter) declension and either end in -us (masculine), -a (feminine), -um (neuter) or in -er (masculine), -ra (feminine), -rum (neuter). One part of the species and subspecies names found in LPSN and derived in that manner are shown here, arranged according to the stem of the adjective. Compound adjectives are grouped according to the last part (the one that is modified according to the gender) as far as possible. See also the LPSN introductory page on forming names.
In the case of a ☞ new combination these epithets must be adapted to the gender of the genus name: -er (masculine), -ra (feminine) or -rum (neuter) or -er (masculine), -era (feminine) or -erum (neuter).
Anabaena aspera — "Corynebacterium asperum" — Leptolyngbya aspera — Oscillatoria amphibia var. aspera
Bichatia atra — Chroococcus fuscoater — Gloeotrichia atra — Microcystis atra — "Oscillaria fuscoatra" — Rivularia atra — Streptomyces nogalater
Bombilactobacillus mellifer — Lactobacillus mellifer — Paenibacillus mellifer — Spiroplasma melliferum
Actinacidiphila glaucinigra — "Actinomyces violaceusniger" — Bichatia nigra — "Capsosira nigra" — Catenuloplanes niger — Chainia nigra — Chroococcus niger — Duganella violaceinigra — Eionea nigra — Endospora nigra — "Excellospora viridinigra" — Fertoeibacter niger — Gloeocapsa nigra — Hormathonema violaceonigrum — Hyellococcus niger — Janthinobacterium violaceinigrum — Mannheimia pernigra — Massilia violaceinigra — "Massilia violaceinigrum" — "Micrococcus niger" — Microcystis nigra — Micromonospora auratinigra corrig. — Micromonospora nigra — "Micropolyspora viridinigra" — Mokoshia violaceinigra — "Oscillatoria nigra" — Peptococcus niger — "Phormidium nigrum" — "Candidatus Planktothricoides niger" — "Candidatus Planktothricoides nigra" corrig. — Pseudoduganella violaceinigra — Pseudonocardia nigra — Stauromatonema nigrum — Streptomyces alboniger — Streptomyces glauciniger — Streptomyces griseiniger — Streptomyces niger — "Streptomyces niger" — "Streptomyces nigra" — Streptomyces violaceoniger — Streptomyces violaceusniger corrig. — "Streptomyces viridoniger" — Micromonospora halophytica subsp. nigra — Lyngbya lismorensis var. nigra — Oscillatoria tenuis var. nigra
"Cladothrix odorifera" — Flavobacterium odoriferum — Paenibacillus odorifer — Pectobacterium odoriferum — Serratia odorifera — Streptomyces odorifer — Erwinia carotovora subsp. odorifera — Pectobacterium carotovorum subsp. odoriferum
Achromobacter pestifer — Moraxella anatipestifer — Moraxella anatipestifera corrig. — "Pfeifferella anatipestifer" — Riemerella anatipestifer — Riemerella anatipestifera corrig.
Desulfomonas pigra — Desulfovibrio piger — Dolosigranulum pigrum — Tissierella pigra — Undibacterium pigrum
Anacystis pulchra — Aphanocapsa pulchra — Asterocapsa pulchra — Duganella violaceipulchra — Epiphyton pulchrum — Microcystis pulchra — Mojavia pulchra — Oscillatoria pulchra — Peloploca pulchra — Petalonema pulchrum — Pseudoalteromonas flavipulchra — Scytonema pulchrum — "Streptomyces pulcher" — Vologdinella pulchra — Xenococcus pulcher
Acidiphilium rubrum — "Acidisphaera rubrum" — Actinomadura rubra — "Actinomyces violaceusruber" — Alteromonas rubra — Aporhodopirellula rubra — "Candidatus Aquiluna rubra" — Aquimarina rubra — Arachnia rubra — Arthrobacter ruber — Arthrospiribacter ruber — Asterocapsa rubra — "Bacillus ruber" — Bacillus thermoruber — Botryobacter ruber — Brevibacillus thermoruber — Calothrix rubra — Catella rubra — Catenulispora rubra — Cecembia rubra — Chainia rubra — "Clostridium rubrum" — "Corynebacterium rubrum" — Daejeonella rubra — Dankookia rubra — Deinococcus ruber — Endospora rubra — Entophysalis rubra — Fimbriiglobus ruber — "Flavobacterium aureirubrum" — Flexibacter ruber — Geodermatophilus ruber — Geothrix rubra — "Gordona rubra" — Haliea rubra — Haloarcula rubra — "Halobacter cutirubrum" — Halobacterium cutirubrum — Halobacterium rubrum — Halobaculum rubrum — Halobellus ruber — Halogranum rubrum — Halolamina rubra — Halomarina rubra — Halomicroarcula rubra — Haloplanus ruber — "Halorubrum ruber" — Halorubrum rubrum — Halorussus ruber — Halosimplex rubrum — Halovenus rubra — Halovivax ruber — Homoeothrix rubra — Hyalangium ruber — Hyalangium rubrum corrig. — Hymenobacter ruber — Hyunsoonleella rubra — Jannaschia rubra — Leifsonia rubra — Leptolyngbya rubra — "Candidatus Limnoluna rubra" — Litoribacter ruber — Mabikibacter ruber — Malonomonas rubra — Mantellum rubrum — Marinilabilia rubra — Massilia rubra — Meiothermus ruber — "Methylomonas rubra" — "Methylomonas rubra" — "Micromonospora rubra" — Microtetraspora rubra — Mokoshia rubra — Mongoliibacter ruber — "Myxosarcina rubra" — Natrinema pellirubrum — Natronoarchaeum rubrum — "Nibribacter ruber" — Nonomuraea rubra corrig. — Nonomuria rubra — Notoacmeibacter ruber — Oryzomonas ruber — Oryzomonas rubra corrig. — Paracraurococcus ruber — Paragemmobacter ruber — Paucihalobacter ruber — Pedobacter ruber — Phormidium rubrum — Pigmentibacter ruber — "Pigmentibacter ruber" — "Pigmentibacter ruber" — Planococcus ruber — Polymorphospora rubra — Pontibacter ruber — "Protaminobacter ruber" corrig. — "Protaminobacter rubrum" — Pseudoalteromonas rubra — Pseudohaliea rubra — Pseudomonas rubra — Pseudopropionibacterium rubrum — Pseudoroseomonas rubra — Pycnacronema rubrum — Rhabdoderma rubrum — Rhodobacter ruber — Rhodococcus ruber — Rhodopirellula rubra — Rhodospirillum rubrum — Roseomonas rubra — Rubellimicrobium rubrum — Rufibacter ruber — Rugamonas rubra — Sabulibacter ruber — Saccharothrix violaceirubra — Salinibacter ruber — Salinigranum rubrum — Sandarakinorhabdus rubra — "Candidatus Scalindua rubra" — Schizothrix rubra — "Serratia cutirubra" — Serratia marinorubra — Silvanigrella paludirubra — Simulacricoccus ruber — "Skermanella rubra" — Spartinivicinus ruber — Sphaerisporangium aureirubrum — Sphingomonas rubra — Spirillospora rubra — "Spirillum rubrum" — Streptomyces atriruber — Streptomyces cinereoruber — Streptomyces echinoruber — Streptomyces griseoruber — Streptomyces longispororuber — Streptomyces niveoruber — Streptomyces ruber — Streptomyces rubrum — Streptomyces violaceoruber — "Streptosporangium rubrum" — "Streptothrix rubra" — Sutterella parvirubra — Symplocastrum rubrum — Teichococcus ruber — Terrimonas rubra — Thermoactinospora rubra — Thermocrinis ruber — Thermoflexibacter ruber — Thermovibrio ruber — Thermus ruber — Vibrio ruber — Streptomyces cinereoruber subsp. cinereoruber — Asterocapsa changbaishanensis var. rubra
Gomphosphaeria tenera — Microchaete tenera — Stichosiphon tener corrig. — Stichosiphon tenerum — Woronichinia tenera — Oscillatoria terebriformis var. tenera