| Species | Nirmus abrupta H.Osborn, 1896
| | |
| Species | Nirmus actophilus Kellogg & Chapman, 1899 ⇒ Lunaceps holophaeus
| | |
| Species | Nirmus acummatus Piaget, 1885
| | |
| Species | Nirmus acutangulata Piaget, 1880
| | |
| Species | Nirmus acutifrons Rudow, 1869
| | |
| Species | Nirmus acutofasciatus Piaget, 1880
| | |
| Species | Nirmus acutus Piaget, 1880
| | |
| Species | Nirmus adustus Olfers, 1816
| | |
| Species | Nirmus aeruginosi Denny, 1852
| | |
| Species | Nirmus aerugmosi Denny, 1852
| | |
| Species | Nirmus aethereus Giebel, 1874 ⇒ Quadraceps aethereus
| | |
| Species | Nirmus aetherus Giebel, 1874
| | |
| Species | Nirmus affinis Nitzsch in Giebel, 1874
| | |
| Species | Nirmus albescens Piaget, 1890
| | |
| Species | Nirmus albicillae Denny, 1852
| | |
| Species | Nirmus albida Rudow, 1869
| | |
| Species | Nirmus alcae Denny, 1842
| | |
| Species | Nirmus alchatae Rudow, 1870
| | |
| Species | Nirmus alexandrinus Giebel, 1874
| | |
| Species | Nirmus alpha Kellogg, 1896
| | |
| Species | Nirmus amblys Kellogg, 1896
| | |
| Species | Nirmus americanus Kellogg & Chapman, 1899
| | |
| Species | Nirmus ampullata Piaget, 1885
| | |
| Species | Nirmus anagrapsus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus anchoratus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus angulata Piaget, 1880
| | |
| Species | Nirmus angulicollis Giebel, 1876
| | |
| Species | Nirmus angusta Giebel, 1874
| | |
| Species | Nirmus angusticeps Giebel, 1874
| | |
| Species | Nirmus angustifrons Carriker, 1902 ⇒ Brueelia angustifrons
| | |
| Species | Nirmus annulatus Denny, 1842
| | |
| Species | Nirmus ansatus Rudow, 1870
| | |
| Species | Nirmus antarcticus Valette, 1913
| | |
| Species | Nirmus apiastri Denny, 1842
| | |
| Species | Nirmus appendiculata Piaget, 1880
| | |
| Species | Nirmus arcellus Piaget, 1885
| | |
| Species | Nirmus arcus Piaget, 1885
| | |
| Species | Nirmus argula Burmeister, 1838
| | |
| Species | Nirmus assimilis Piaget, 1890
| | |
| Species | Nirmus asymmetrica Burmeister, 1838
| | |
| Species | Nirmus asymmetricus Burmeister, 1838
| | |
| Species | Nirmus atopus Kellogg, 1899
| | |
| Species | Nirmus attenuatus Burmeister, 1838
| | |
| Species | Nirmus audax Kellogg, 1899
| | |
| Species | Nirmus bicolor Piaget, 1880
| | |
| Species | Nirmus bicurvata Piaget, 1880
| | |
| Species | Nirmus bicuspis Nitzsch in Giebel, 1874
| | |
| Species | Nirmus biguttata Kellogg & Paine, 1914
| | |
| Species | Nirmus bimaculatus Piaget, 1885
| | |
| Species | Nirmus biocellata Piaget, 1880 ⇒ Brueelia biocellata
| 1 | Subspecies |
| Species | Nirmus bipunctata Rudow, 1870
| | |
| Species | Nirmus birostris Giebel, 1874
| | |
| Species | Nirmus biseriatus Children, 1836
| | |
| Species | Nirmus bisetacea Piaget, 1885
| | |
| Species | Nirmus boephilus Kellogg, 1896
| | |
| Species | Nirmus brachyoti Denny, 1852
| | |
| Species | Nirmus brachythorax Giebel, 1874 ⇒ Brueelia brachythorax
| | |
| Species | Nirmus bracteata Nitzsch in Giebel, 1866
| | |
| Species | Nirmus bracteatus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus brasiliensis Giebel, 1866
| | |
| Species | Nirmus brevipes Piaget, 1880
| | |
| Species | Nirmus brunneipictus Giebel, 1877
| | |
| Species | Nirmus brunneus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus burmeister Giebel, 1874
| | |
| Species | Nirmus burmeisteri Giebel, 1874
| | |
| Species | Nirmus buteonivorum Packard Jr., 1873
| | |
| Species | Nirmus caementicius Nitzsch in Giebel, 1874
| | |
| Species | Nirmus caligineus Carriker, 1903 ⇒ Sturnidoecus caligineus
| | |
| Species | Nirmus cameratus Burmeister, 1838
| 1 | Subspecies |
| Species | Nirmus candidus Nitzsch, 1866
| | |
| Species | Nirmus capensis Rudow, 1870
| | |
| Species | Nirmus caracarensis Kellogg & Mann, 1912
| | |
| Species | Nirmus caspius Giebel, 1874
| | |
| Species | Nirmus castanea Piaget, 1890
| | |
| Species | Nirmus cedrorum Piaget, 1880
| | |
| Species | Nirmus cephalotes Nitzsch in Giebel, 1866
| | |
| Species | Nirmus cephaloxys Nitzsch in Giebel, 1866
| | |
| Species | Nirmus chelurus Nitzsch, 1874
| | |
| Species | Nirmus cingulatus Denny, 1842
| | |
| Species | Nirmus citrinus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus claviformis Denny, 1842
| | |
| Species | Nirmus clypeatus Kellogg & Paine, 1914
| | |
| Species | Nirmus coelebitis Denny, 1852
| | |
| Species | Nirmus complexivus Kellogg & Chapman, 1899 ⇒ Carduiceps zonarius
| | |
| Species | Nirmus conciceps Piaget, 1880
| | |
| Species | Nirmus coniceps Piaget, 1880
| | |
| Species | Nirmus connexus Kellogg & Mann, 1912
| | |
| Species | Nirmus cordatus H.Osborn, 1896
| | |
| Species | Nirmus crassiceps Rudow, 1870
| | |
| Species | Nirmus crassipedalis Harrison, 1916
| | |
| Species | Nirmus crassipes Piaget, 1885
| | |
| Species | Nirmus crinitus Rudow, 1869
| | |
| Species | Nirmus cruciata Burmeister, 1838
| | |
| Species | Nirmus cuculi Denny, 1842
| | |
| Species | Nirmus cursorius Mjöberg, 1910
| | |
| Species | Nirmus curvilineata Kellogg & Kuwana, 1902
| | |
| Species | Nirmus cyclothorax Burmeister, 1838
| | |
| Species | Nirmus decipiens Denny, 1842
| | |
| Species | Nirmus deficiens Piaget, 1885
| | |
| Species | Nirmus delicata Nitzsch in Giebel, 1866
| | |
| Species | Nirmus densilimba Nitzsch in Giebel, 1866
| | |
| Species | Nirmus dentatus Mjöberg, 1910
| | |
| Species | Nirmus depressus Rudow, 1869
| | |
| Species | Nirmus diaprepes Kellogg & Chapman, 1902
| | |
| Species | Nirmus dilatatofasciatus Piaget, 1880
| | |
| Species | Nirmus discocephalus Burmeister, 1838
| 1 | Subspecies |
| Species | Nirmus dispar Piaget, 1880
| | |
| Species | Nirmus divergens Neumann, 1890
| | |
| Species | Nirmus docophoroides Piaget, 1885
| | |
| Species | Nirmus domestica Kellogg & Chapman, 1899
| | |
| Species | Nirmus ductilis Kellogg & Chapman, 1899
| | |
| Species | Nirmus ellipticus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus elongata Denny, 1842
| | |
| Species | Nirmus elongatus Olfers, 1816
| | |
| Species | Nirmus emarginatus Kellogg & Chapman, 1902
| | |
| Species | Nirmus eos Giebel, 1874
| | |
| Species | Nirmus epustulata Carriker, 1903
| | |
| Species | Nirmus erythropteri Piaget, 1885
| | |
| Species | Nirmus eugrammicus Burmeister, 1838
| | |
| Species | Nirmus euprepes Kellogg & Chapman, 1902
| | |
| Species | Nirmus eustigma Kellogg, 1896
| | |
| Species | Nirmus euzoma Nitzsch in Giebel, 1861
| | |
| Species | Nirmus euzonia Nitzsch, 1861
| | |
| Species | Nirmus exigua Nitzsch in Giebel, 1866
| | |
| Species | Nirmus fallax Giebel, 1874
| | |
| Species | Nirmus farallonii Kellogg, 1896
| | |
| Species | Nirmus fasciata Rudow, 1869
| | |
| Species | Nirmus fenestratus Nitzsch, 1866
| | |
| Species | Nirmus filiformis Olfers, 1818
| | |
| Species | Nirmus fimbriatus Giebel, 1866
| | |
| Species | Nirmus fissus Burmeister, 1838
| | |
| Species | Nirmus flamminae Denny, 1852
| | |
| Species | Nirmus flammineae Denny, 1852
| | |
| Species | Nirmus flammmeae Denny, 1852
| | |
| Species | Nirmus flavida Giebel, 1874
| | |
| Species | Nirmus flliformis Olfers, 1816
| | |
| Species | Nirmus foedus Kellogg & Chapman, 1899
| | |
| Species | Nirmus fornicata Olfers, 1816
| | |
| Species | Nirmus francisi Carriker, 1903 ⇒ Bizarrifrons francisi
| | |
| Species | Nirmus frater Piaget, 1880
| | |
| Species | Nirmus fringillae
| | |
| Species | Nirmus frontatus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus fulicae Denny, 1842
| | |
| Species | Nirmus fuligulae Denny, 1852
| | |
| Species | Nirmus fulva Giebel, 1874
| | |
| Species | Nirmus fulvofasciatus Grube, 1851
| | |
| Species | Nirmus fulvoguttatus Mjöberg, 1910
| | |
| Species | Nirmus fulvus Giebel, 1874
| | |
| Species | Nirmus funebris Nitzsch in Giebel, 1866
| | |
| Species | Nirmus furvus Burmeister, 1838
| | |
| Species | Nirmus fusca Nitzsch in Giebel, 1861
| | |
| Species | Nirmus fuscofasciatus Giebel, 1874
| | |
| Species | Nirmus fuscomarginatus Denny, 1842 ⇒ Aquanirmus colymbinus
| | |
| Species | Nirmus fuscus Nitzsch in Giebel, 1866 ⇒ Quadraceps alexandrinus
| | |
| Species | Nirmus galapagensis Kellogg & Kuwana, 1902
| | |
| Species | Nirmus giganticola Kellogg, 1896
| | |
| Species | Nirmus glandarii Denny, 1852
| | |
| Species | Nirmus glauca Stephens, 1829
| | |
| Species | Nirmus globifer Olfers, 1816
| | |
| Species | Nirmus gloriosus Kellogg & Kuwana, 1902
| 1 | Subspecies |
| Species | Nirmus goniocotes Piaget, 1885
| | |
| Species | Nirmus goniodes Piaget, 1880
| | |
| Species | Nirmus gracilis Burmeister, 1838
| | |
| Species | Nirmus grandiceps Piaget, 1888
| | |
| Species | Nirmus griseus Rudow, 1869
| | |
| Species | Nirmus gulosus Nitzsch, 1866
| | |
| Species | Nirmus haematopi Denny, 1842
| | |
| Species | Nirmus hasticeps Olfers, 1818
| | |
| Species | Nirmus hastiformis Carriker, 1903
| | |
| Species | Nirmus hawaiiensis Kellogg & Chapman, 1902
| | |
| Species | Nirmus hebes Kellogg, 1896
| | |
| Species | Nirmus hectica Nitzsch in Giebel, 1866
| | |
| Species | Nirmus hecticus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus hemichrous Nitzsch in Giebel, 1866
| | |
| Species | Nirmus heteroscelis Nitzsch, 1866
| | |
| Species | Nirmus heterotypus Megnin, 1880
| | |
| Species | Nirmus hiaticulae Denny, 1842
| | |
| Species | Nirmus himantopi Denny, 1852
| | |
| Species | Nirmus holophaeus Burmeister, 1838
| | |
| Species | Nirmus hoplopteri Mjöberg, 1910
| | |
| Species | Nirmus hospes Nitzsch in Giebel, 1866
| | |
| Species | Nirmus hypoleucus Denny, 1842
| | |
| Species | Nirmus iliaci Denny, 1842
| | |
| Species | Nirmus illustris Kellogg, 1896
| | |
| Species | Nirmus immaculata Piaget, 1890
| | |
| Species | Nirmus inaequalis Piaget, 1880
| | |
| Species | Nirmus incerta Piaget, 1885
| | |
| Species | Nirmus incoenis Kellogg & Chapman, 1899
| | |
| Species | Nirmus infectus Kellogg & Kuwana, 1901
| 2 | Subspecies |
| Species | Nirmus infrequens Carriker, 1902 ⇒ Brueelia infrequens
| | |
| Species | Nirmus intermedia Nitzsch in Giebel, 1866
| | |
| Species | Nirmus intermedius Giebel, 1874
| | |
| Species | Nirmus interposita Kellogg, 1899
| | |
| Species | Nirmus interpositus Kellogg, 1899
| | |
| Species | Nirmus interruptus Piaget, 1880
| | |
| Species | Nirmus jugifer Muller, 1932
| | |
| Species | Nirmus junceus Scopoli, 1763
| | |
| Species | Nirmus juno Giebel, 1874
| | |
| Species | Nirmus kilimandjarensis Kellogg, 1910
| | |
| Species | Nirmus kunzei Giebel, 1874
| | |
| Species | Nirmus lais Giebel, 1874
| | |
| Species | Nirmus laticeps Piaget, 1888
| 1 | Subspecies |
| Species | Nirmus latifasciata Piaget, 1880
| | |
| Species | Nirmus latifasiata Piaget, 1880
| | |
| Species | Nirmus latirostris Burmeister, 1838
| | |
| Species | Nirmus latus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus lautiuscula Kellogg & Chapman, 1899
| | |
| Species | Nirmus lepidus Kellogg & Kuwana, 1902
| | |
| Species | Nirmus leucocephala Nitzsch, 1866
| | |
| Species | Nirmus leucopleura Nitzsch in Giebel, 1874
| | |
| Species | Nirmus ligulatus Neumann, 1890
| | |
| Species | Nirmus limbata Burmeister, 1838
| | |
| Species | Nirmus limbatus Burmeister, 1838
| | |
| Species | Nirmus lineatus Piaget, 1880
| 1 | Subspecies |
| Species | Nirmus lineolatus Nitzsch, 1866
| | |
| Species | Nirmus lipeuriformis Rudow, 1869
| | |
| Species | Nirmus longa Kellogg, 1896
| | |
| Species | Nirmus longicollis Rudow, 1869
| | |
| Species | Nirmus longipes Piaget, 1880
| | |
| Species | Nirmus lotus Nitzsch, 1866
| | |
| Species | Nirmus lucidus Kellogg & Mann, 1912
| | |
| Species | Nirmus lugens Giebel, 1874
| | |
| Species | Nirmus macrocephalus Waterston, 1914
| | |
| Species | Nirmus magnocephalus Carnker, 1902
| | |
| Species | Nirmus magus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus major Kellogg, 1899
| | |
| Species | Nirmus malanophrys Nitzsch in Giebel, 1866
| | |
| Species | Nirmus mandarina Giglioli, 1864
| | |
| Species | Nirmus marginalis Burmeister, 1838
| | |
| Species | Nirmus marginata Burmeister, 1838
| | |
| Species | Nirmus marginatus H.Osborn, 1896
| | |
| Species | Nirmus marginella Nitzsch in Giebel, 1866
| | |
| Species | Nirmus maritimus Kellogg & Chapman, 1899
| | |
| Species | Nirmus melanacocus
| | |
| Species | Nirmus melanococa Carriker, 1903 ⇒ Brueelia melanococa
| | |
| Species | Nirmus melanophrys Nitzsch, 1866
| | |
| Species | Nirmus menura Le Souëf & Bullen, 1902
| | |
| Species | Nirmus menuraelyrae Coinde, 1859
| | |
| Species | Nirmus merulae Denny, 1852
| | |
| Species | Nirmus merulensis Denny, 1842
| | |
| Species | Nirmus mesomelas Nitzsch in Giebel, 1874
| | |
| Species | Nirmus mfectus Kellogg & Kuwana, 1901
| | |
| Species | Nirmus minhaensis Kellogg & Chapman, 1902
| | |
| Species | Nirmus minutus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus modularis Piaget, 1880
| | |
| Species | Nirmus monedulae Denny, 1852
| | |
| Species | Nirmus munda Nitzsch in Giebel, 1866
| | |
| Species | Nirmus mystax Giebel, 1874
| | |
| Species | Nirmus naumanni Giebel, 1874
| | |
| Species | Nirmus nebulosa Burmeister, 1838
| | |
| Species | Nirmus nebulosus Burmeister, 1838
| | |
| Species | Nirmus nesiotes Kellogg & Mann, 1912
| | |
| Species | Nirmus niethammeri Timmermann, 1956
| | |
| Species | Nirmus nigrescens Evans, 1912
| | |
| Species | Nirmus nigricans Rudow, 1869
| | |
| Species | Nirmus nigrolimbatus Mjöberg, 1910
| | |
| Species | Nirmus nigromarginatus Piaget, 1880
| | |
| Species | Nirmus nigropicta Carriker, 1902
| | |
| Species | Nirmus nigrosignata Piaget, 1880
| | |
| Species | Nirmus nirmoideus Nitzsch, 1874
| | |
| Species | Nirmus nisus Giebel, 1866
| | |
| Species | Nirmus nitzschi Giebel, 1874
| | |
| Species | Nirmus nitzschii Ponton, 1871
| | |
| Species | Nirmus nivalis Giebel, 1874
| | |
| Species | Nirmus normifer Grube, 1851
| | |
| Species | Nirmus nuda Giebel, 1879
| | |
| Species | Nirmus numenii Denny, 1842
| 1 | Subspecies |
| Species | Nirmus numidae Denny, 1842
| | |
| Species | Nirmus nychthemerus Burmeister, 1838
| | |
| Species | Nirmus nycthemerus Burmeister, 1838
| 1 | Subspecies |
| Species | Nirmus obliquus Mjöberg, 1910
| | |
| Species | Nirmus obscurus Burmeister, 1838 ⇒ Quadraceps obscurus
| | |
| Species | Nirmus obtusus Kellogg & Kuwana, 1902
| | |
| Species | Nirmus ochropi Denny, 1842
| | |
| Species | Nirmus ochropygos Nitzsch in Giebel, 1866
| | |
| Species | Nirmus oculatus Rudow, 1870
| | |
| Species | Nirmus oedicnemi Denny, 1842
| | |
| Species | Nirmus olivacea Burmeister, 1838
| | |
| Species | Nirmus opacus Kellogg & Chapman, 1899
| | |
| Species | Nirmus opisthotomus Kellogg, 1910
| | |
| Species | Nirmus orarius Kellogg, 1896
| 1 | Subspecies |
| Species | Nirmus ornatissima Giebel, 1874
| | |
| Species | Nirmus ornatus Grube, 1851
| 2 | Subspecies |
| Species | Nirmus orpheus H.Osborn, 1896
| | |
| Species | Nirmus ovalis Neumann, 1890
| | |
| Species | Nirmus ovatus Uchida, 1917
| | |
| Species | Nirmus oxypyga Giebel, 1874
| | |
| Species | Nirmus pacificus Kellogg & Chapman, 1899 ⇒ Quadraceps pacificus
| | |
| Species | Nirmus palidicola Kellogg & Kuwana, 1902
| | |
| Species | Nirmus pallida Osborn, 1896
| | |
| Species | Nirmus pallidovittatus Grube, 1851
| | |
| Species | Nirmus paludicola Kellogg & Kuwana, 1902
| | |
| Species | Nirmus paraboliceps Piaget, 1880
| | |
| Species | Nirmus parabolocybe
| | |
| Species | Nirmus paradoxus Giebel, 1874
| | |
| Species | Nirmus parallelus Osborn, 1896 ⇒ Quadraceps boephilus
| | |
| Species | Nirmus parvulus Piaget, 1880
| | |
| Species | Nirmus peninsularis Kellogg, 1899 ⇒ Brueelia peninsularis
| | |
| Species | Nirmus phaeonotus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus phaeopodis Giebel, 1874
| | |
| Species | Nirmus phalaropi Denny, 1842
| | |
| Species | Nirmus phlyctopygus Nitzsch in Giebel, 1861
| | |
| Species | Nirmus picturata Osborn, 1896
| | |
| Species | Nirmus pictus Mjöberg, 1910
| | |
| Species | Nirmus pileus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus platyclypeata Piaget, 1880
| | |
| Species | Nirmus podicepis Denny, 1842
| | |
| Species | Nirmus podicipis Denny, 1842
| | |
| Species | Nirmus praestans Kellogg, 1896
| | |
| Species | Nirmus prasinus Carriker, 1954
| | |
| Species | Nirmus procellariae Denny, 1852
| | |
| Species | Nirmus propinqua Giebel, 1874
| | |
| Species | Nirmus pseudonirmus Nitzsch in Giebel, 1874
| | |
| Species | Nirmus pseudophaea Carriker, 1903 ⇒ Degeeriella regalis
| | |
| Species | Nirmus pterocephalus Olfers, 1816
| | |
| Species | Nirmus ptiliogonis Carriker, 1903
| | |
| Species | Nirmus punctatus Burmeister, 1838
| 2 | Subspecies |
| Species | Nirmus punctulatus Giebel, 1874
| | |
| Species | Nirmus quadrangularis Rudow, 1869
| | |
| Species | Nirmus quadraticollis Rudow, 1870
| | |
| Species | Nirmus quadrilineatus Nitzsch, 1866
| | |
| Species | Nirmus quadrisetaceus Piaget, 1880
| | |
| Species | Nirmus quadrulatus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus rallina Denny, 1842
| | |
| Species | Nirmus ravus Kellogg, 1899
| | |
| Species | Nirmus regalis Giebel, 1866
| | |
| Species | Nirmus rhamphasti Carriker, 1903 ⇒ Formicaphagus rhamphasti
| | |
| Species | Nirmus ridgwayi Kellogg, 1906
| | |
| Species | Nirmus rotundata Osborn, 1896
| | |
| Species | Nirmus rufa Burmeister, 1838
| | |
| Species | Nirmus ruficeps Nitzsch in Giebel, 1866
| | |
| Species | Nirmus sacer Giebel, 1866
| | |
| Species | Nirmus satelles Nitzsch in Giebel, 1866
| | |
| Species | Nirmus scalaris Piaget, 1880
| | |
| Species | Nirmus scolopacis Denny, 1842
| | |
| Species | Nirmus sculptus Kolenati, 1858
| | |
| Species | Nirmus secondaria Osborn, 1896
| | |
| Species | Nirmus sellatus Rudow, 1870
| | |
| Species | Nirmus selliger Giebel, 1861
| | |
| Species | Nirmus semiannulata Piaget, 1883
| | |
| Species | Nirmus semiannulatus Piaget, 1883
| | |
| Species | Nirmus semicingulatus Piaget, 1890
| | |
| Species | Nirmus semifissa Nitzsch, 1866
| | |
| Species | Nirmus semifissus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus separatus Kellogg & Kuwana, 1902
| | |
| Species | Nirmus seta Piaget, 1880
| | |
| Species | Nirmus setosa Le Souëf & Bullen, 1902
| | |
| Species | Nirmus setosum Le Souëf & Bullen, 1902
| | |
| Species | Nirmus setosus Giebel, 1876
| | |
| Species | Nirmus sexmaculata Piaget, 1880
| | |
| Species | Nirmus signatus Piaget, 1880
| | |
| Species | Nirmus similis Giebel, 1866
| | |
| Species | Nirmus simplex Kellogg, 1896
| | |
| Species | Nirmus socialis Giebel, 1874
| | |
| Species | Nirmus splendidus Kellogg, 1899
| | |
| Species | Nirmus stenopyx Burmeister, 1838
| | |
| Species | Nirmus stenorhynchus Giebel, 1874
| | |
| Species | Nirmus stenozona Kellogg & Chapman, 1902
| | |
| Species | Nirmus stichtochrous Nitzsch, 1866
| | |
| Species | Nirmus stictochrous Nitzsch in Giebel, 1866
| | |
| Species | Nirmus straminea Denny, 1842
| | |
| Species | Nirmus strepsilaris Denny, 1842
| | |
| Species | Nirmus stridulae Denny, 1852
| | |
| Species | Nirmus striolatus Nitzsch, 1866
| | |
| Species | Nirmus subacuta Piaget, 1880
| | |
| Species | Nirmus subcingulatus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus subcuspidata Piaget, 1880
| | |
| Species | Nirmus subcuspidatus Burmeister, 1838
| | |
| Species | Nirmus submarginella Nitzsch in Giebel, 1866
| | |
| Species | Nirmus submarginellus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus subscalaris Piaget, 1880
| | |
| Species | Nirmus subtilis Nitzsch in Giebel, 1874
| | |
| Species | Nirmus sulphureus Giebel, 1876
| | |
| Species | Nirmus superciliosa Nitzsch in Giebel, 1866
| | |
| Species | Nirmus taurus Giebel, 1876
| | |
| Species | Nirmus temporalis Piaget, 1890
| | |
| Species | Nirmus tenuis Rudow, 1870
| | |
| Species | Nirmus tesselatus Denny, 1842
| | |
| Species | Nirmus testudinarius Children, 1836
| | |
| Species | Nirmus tetragonocephalus Olfers, 1816
| | |
| Species | Nirmus thoracicus Packard, 1870
| | |
| Species | Nirmus thoracius Packard, 1870
| | |
| Species | Nirmus tinami Rudow, 1870
| | |
| Species | Nirmus tngonocephalus Olfers, 1816
| | |
| Species | Nirmus trabeculus Piaget, 1885
| | |
| Species | Nirmus triangulatus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus trigonocephalus Olfers, 1816
| | |
| Species | Nirmus trimaculatus Piaget, 1880
| | |
| Species | Nirmus trimarginis Carriker, 1902 ⇒ Penenirmus gulosus
| | |
| Species | Nirmus trinoton Piaget, 1890
| | |
| Species | Nirmus tristis Giebel, 1874
| | |
| Species | Nirmus trithorax Burmeister, 1838
| | |
| Species | Nirmus truncatus Nitzsch in Giebel, 1866 ⇒ Collodennyus (Collodennyus) wraggi
| 1 | Subspecies |
| Species | Nirmus turmalis Denny, 1842
| | |
| Species | Nirmus tyrannus H.Osborn, 1896
| | |
| Species | Nirmus umbrinus Nitzsch in Giebel, 1866
| | |
| Species | Nirmus uncinosa Burmeister, 1838
| | |
| Species | Nirmus unicolor Nitzsch in Giebel, 1866
| | |
| Species | Nirmus urniger Giebel, 1861
| | |
| Species | Nirmus vagans Giebel, 1874
| | |
| Species | Nirmus vanelli Denny, 1842
| | |
| Species | Nirmus varia Burmeister, 1838
| | |
| Species | Nirmus virgata Kellogg, 1899
| | |
| Species | Nirmus virgatus Kellogg, 1899
| | |
| Species | Nirmus viscivori Denny, 1842
| | |
| Species | Nirmus vittata Giebel, 1874
| | |
| Species | Nirmus vulgata Kellogg, 1896
| 1 | Subspecies |
| Species | Nirmus xanthocephali Osborn, 1896
| | |
| Species | Nirmus zonarius Nitzsch in Giebel, 1866
| | |
