IRMNG Taxon list
Achnanthosigma mereschkovskii Reinhard, 1882
Arcuatasigma addu G. Reid, 2012
Arcuatasigma castracanense G. Reid, 2012
Arcuatasigma challengeriense (Castracane) G. Reid, 2012
Arcuatasigma closterioides (Grunow) G. Reid, 2012
Carinasigma angustatum (Donkin) G. Reid, 2012
Carinasigma latum (E.J. Cox) G. Reid, 2012
Carinasigma minuta (Donkin) G. Reid, 2012
Carinasigma rectum (Donkin) G. Reid, 2012
Cochlearisigma falcatum (Donkin) G. Reid, 2012
Cochlearisigma incertum (H. Peragallo) G. Reid, 2012
Cochlearisigma maroccanum (Cleve ex H. Paragallo) G. Reid, 2012
Cochlearisigma ohsinsinum G. Reid, 2012
Cochlearisigma weissflogii (Grunow) G. Reid, 2012
Costasigma asiaticum (Tempère ex Van Heurck) G. Reid, 2012 †
Costasigma simmsiae G. Reid, 2012
Costasigma staurophorum (Grunow) G. Reid, 2012
Donkinia angusta (Donkin) Ralfs, 1861
Donkinia baltica Karsten
Donkinia carinata (Donkin) Ralfs, 1861
Donkinia carinata Ralfs accepted as Pleurosigma carinatum Donkin, 1858
Donkinia compacta (Greville) Ralfs, 1861 accepted as Rhoicosigma compactum (Greville) Grunow, 1877
Donkinia lata E.J. Cox, 2008 accepted as Carinasigma latum (E.J. Cox) G. Reid, 2012
Donkinia lipscombensis G. Reid, 2012
Donkinia minuta (Donkin) Ralfs, 1861 accepted as Carinasigma minuta (Donkin) G. Reid, 2012
Donkinia recta (Donkin) Grunow, 1883 accepted as Gyrosigma rectum (Donkin) Cleve, 1894
Donkinia reticulata Norman, 1861
Endosigma eximium (Thwaites) Juhlin-Dannfelt, 1882 accepted as Gyrosigma eximium (Thwaites) Boyer, 1927
Gyrosigma acuminatum (Kützing) Rabenhorst, 1853
Gyrosigma aestuarii (Brébisson ex Kützing) Griffith & Henfrey, 1856
Gyrosigma algoris J.R. Carter, 1981
Gyrosigma angulatum (Quekett) Griffith & Henfrey
Gyrosigma angustum (Donkin) Cleve, 1894
Gyrosigma arcticum (Cleve) Cleve, 1894
Gyrosigma arcuatum (Donkin) Sterrenburg
Gyrosigma attenuatum (Kützing) Cleve, 1894 accepted as Gyrosigma attenuatum (Kützing) Rabenhorst, 1853
Gyrosigma attenuatum (Kützing) Rabenhorst, 1853
Gyrosigma balticum (Ehrenberg) Rabenhorst, 1853
Gyrosigma beaufortianum Hustedt, 1955
Gyrosigma cali G. Reid, 2003
Gyrosigma californicum (Grunow) G. Reid, 2003
Gyrosigma cloterioides (Grunow) G. Reid, 2004 accepted as Arcuatasigma closterioides (Grunow) G. Reid, 2012
Gyrosigma coelophilum Okamoto & Nagumo, 2003
Gyrosigma compactum (Greville) Cleve, 1894
Gyrosigma concilians Cleve (Okolodkov)
Gyrosigma decorum (W. Smith) Griffith & Henfrey
Gyrosigma delicatulum (W. Smith) Griffith & Henfrey, 1856
Gyrosigma diaphanum Cleve, 1894
Gyrosigma diminutum (Grunow & Grunow), 1894
Gyrosigma diminutum (W. Smith) Cleve
Gyrosigma dissimile Yu.A. Mikishin
Gyrosigma distortum (W. Smith) Cleve, 1894
Gyrosigma distortum (W. Smith) Griffith & Henfrey, 1856
Gyrosigma diversitatum Giffen
Gyrosigma elongatum (W. Smith) G.S. West, 1909 accepted as Pleurosigma elongatum W. Smith, 1852
Gyrosigma elongatum (W. Smith) Griffith & Henfrey, 1856 accepted as Pleurosigma elongatum W. Smith, 1852
Gyrosigma elongatum W. Smith
Gyrosigma euhippus F.A.S. Sterrenburg & R. Ross, 1992
Gyrosigma evanescens A. Cardinal, M. Poulin & L. Bérard-Therriault
Gyrosigma exilis (Grunow) C.W. Reimer, 1966
Gyrosigma eximium (Thwaites) Boyer, 1927
Gyrosigma exoticum Cholnoky, 1960
Gyrosigma exoticumoides Negoro & Gotoh
Gyrosigma fasciola (Ehrenberg) Cleve, 1894 accepted as Gyrosigma fasciola (Ehrenberg) J.W. Griffith & Henfrey, 1856
Gyrosigma fasciola (Ehrenberg) J.W. Griffith & Henfrey, 1856
Gyrosigma fogedii S.R. Stidolph
Gyrosigma fonticola Hustedt
Gyrosigma formosum (W. Smith) J.W. Griffith & Henfrey
Gyrosigma foxtonia Stidolph
Gyrosigma gibbyae G. Reid, 2003
Gyrosigma gondwana Gerd Moser
Gyrosigma hippocampus (Ehrenberg) Hassall, 1845
Gyrosigma hudsonii Poulin & Cardinal
Gyrosigma hummii Hustedt, 1955
Gyrosigma intermedium (W. Smith) Griffith & Henfrey
Gyrosigma kuetzingii (Grunow) Cleve, 1894
Gyrosigma lacustre (W. Smith) Griffith & Henfrey
Gyrosigma limosum Sterrenburg & Underwood, 1997
Gyrosigma lineare
Gyrosigma littorale (W. Smith) Griffith & Henfrey, 1856
Gyrosigma macrum (W. Smith) Cleve, 1894
Gyrosigma macrum (W. Smith) J.W. Griffith & Henfrey, 1856
Gyrosigma mediterraneum Cleve, 1894
Gyrosigma moresbyana E. Reichardt
Gyrosigma murphyi G. Reid, 2003
Gyrosigma nipkowii Meister
Gyrosigma nodiferum (Grunow) Reimer, 1966
Gyrosigma normanii (Ralfs) Mann, 1907 accepted as Pleurosigma normanii Ralfs, 1861
Gyrosigma obliquum (Grunow) Boyer, 1927
Gyrosigma obscurum (W. Smith) J.W. Griffith & Henfrey, 1856
Gyrosigma obtusatum (Sullivant & Wormley) C.S. Boyer, 1922
Gyrosigma orbitum Thaler & Kaczmarska, 2009
Gyrosigma parkeri (Harrison) Elmore, 1921
Gyrosigma parkerii (M.B. Harrison) Boyer, 1927
Gyrosigma parvulum Hustedt, 1955
Gyrosigma peisonis (Grunow) Hustedt, 1930
Gyrosigma pensacolae F.A.S. Sterrenburg
Gyrosigma perthense J. John, 1983 accepted as Gyrosigma turgidum (Stidolph) Stidolph, 1988
Gyrosigma plagiostomum (Grunow) Cleve
Gyrosigma prolongatum (W. Smith) J.W. Griffith & Henfrey, 1856