exclude without cards


Cyclostephanos andina (Theriot, Carney & Richerson) Khursevich 1989     [Link to DiatomBase]


Cyclostephanos costatilimbus (Kobayasi & Kobayashi) Stoermer, Håkansson & Theriot 1987     [Link to DiatomBase]


Cyclostephanos costatus Loginova, Lupikina & Khursevich 1984     [Link to DiatomBase]


Cyclostephanos costatus var. sibiricus (Skab ichevskii) Lupikina in Loginova et al. 1986


Cyclostephanos costatus var. sibiricus (Skabichevskii) Lupikina in Khursevich et al. 1989     [Link to DiatomBase]


Cyclostephanos damasi (Hustedt) Stoermer & Håkansson validated by Theriot et al. 1987     [Link to DiatomBase]


Cyclostephanos damasii (Hustedt) Stoermer & Håkansson 1983     [Link to DiatomBase]


Cyclostephanos delicatus (Genkal) Casper & Scheffler 1990     [Link to DiatomBase]


Cyclostephanos delicatus (Genkal) Kling & Håkansson in Håkansson & Kling 1990     [Link to DiatomBase]


Cyclostephanos dubius (Fricke) Round 1982     [Link to DiatomBase]


Cyclostephanos dubius (Fricke) Round validated by Theriot et al. 1987     [Link to DiatomBase]


Cyclostephanos fenestratus Theriot & Kociolek 1986     [Link to DiatomBase]


Cyclostephanos fenestratus Theriot & Kociolek validated by Theriot et al. 1987     [Link to DiatomBase]


Cyclostephanos guatemalae Theriot & Bradbury 1989     [Link to DiatomBase]

Cyclostephanos invisitatus (Hohn & Hellerman) Theriot, Stoermer & Håkansson 1987     [Link to DiatomBase]

Cyclostephanos kyushuensis Tanaka 2003     [Link to DiatomBase]

Cyclostephanos lacrimis Theriot & Bradbury 1989     [Link to DiatomBase]

Cyclostephanos malawiensis Casper et Klee in Klee & Casper 1992     [Link to DiatomBase]

Cyclostephanos marginatus (Mukhina) Khursevich in Khursevich et al. 1989     [Link to DiatomBase]

Cyclostephanos marginatus (Mukhina) Khursevich in Khursevich & Mukhina 1990     [Link to DiatomBase]

Cyclostephanos novae zeelandiae (Cleve) Round 1982

Cyclostephanos novaezeelandiae (Cleve) Round validated by Theriot et al. 1987     [Link to DiatomBase]


Cyclostephanos numataensis H. Tanaka & T. Nagumo 2000     [Link to DiatomBase]

Cyclostephanos omarensis (Kuptzova) Khursevich & Loginova in Khursevich et al. 1989     [Link to DiatomBase]


Cyclostephanos omarensis var. sphiopiecus Khursevich & Loginova in Khursevich 1989


Cyclostephanos pantocsekii (Fricke) Kuptzova & Khursevich in Khursevich et al. 1989     [Link to DiatomBase]

Cyclostephanos patagonicus Guerrero & Echenique 2002     [Link to DiatomBase]

Cyclostephanos patagonicus Guerrero & Echenique 2002     [Link to DiatomBase]


Cyclostephanos pliocenicus Khursevich & Mukhina 1986     [Link to DiatomBase]


Cyclostephanos ponticus (Jousé) Khursevich in Khursevich & Mukhina 1986     [Link to DiatomBase]


Cyclostephanos ponticus (Jousé) Khursevich in Khursevich et al. 1989     [Link to DiatomBase]


Cyclostephanos pygmaea (Pantocsek) Khursevich 1989     [Link to DiatomBase]

Cyclostephanos servant-vildary (Mukhina) Khursevish 1990     [Link to DiatomBase]

Cyclostephanos servant-vildary var. elegans (Mukhina) Khursevich 1989     [Link to DiatomBase]

Cyclostephanos shanxiensis (Xie) Khursevich 1989     [Link to DiatomBase]


Cyclostephanos sibirica (Skabichevskii) Genkal & Popovskaya 1984     [Link to DiatomBase]

Cyclostephanos stelliformis Khursevich & Mukhina 1986     [Link to DiatomBase]


Cyclostephanos tholiformis Stoermer, Håkansson & Theriot 1987     [Link to DiatomBase]

Cyclostephanos tholiformis Stoermer, Håkansson & Theriot 1990     [Link to DiatomBase]

Cyclostephanos undatus Theriot & Kociolek 1986     [Link to DiatomBase]

Cyclostephanos undatus Theriot & Kociolek validated by Theriot et al. 1987     [Link to DiatomBase]