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Chlorophyceae: Chlamydomonadales (Volvocales): Chlamydomonadaceae
Volvocida: Chlamydomonadina: Chlamydomonadidae

Chlamydomonas
Ehrenberg 1833

Family: Unicells; cell wall present; two flagella (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Two flagella of equal length inserted close together into an anterior papilla of variable shape usually directed anteriorly; chloroplast form variable; usually 2 contractile vacuoles; cell division producing 2-8 zoospores; sexual reproduction usually isogamous, anisogamy and oogamy known but rare; > 500 species, mostly fresh water (Illustrated Guide, 1985). A large chloroplast; stigma; a single nucleus; two contractile vacuoles anterior (Kudo, 1966).
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Euchlamydomonas: Chloroplast cup-shaped; pyrenoid posterior; nucleus anterior
Chlamydomonas
C. callosa, C. costata ? C. dalecarlica, C. debaryana, C. fimbriata ?, C. globosa, C. heterogama ?, C. incerta, C. latifrons ? C. multitaeniata ?, C. nasuta, C. proboscigera, C. reinhardtii, C. simplex ?, C. splendida, C. steinii ?, C. thiophila ?, C. zebra ?,
Bicocca:
Chlamydomonas
C. bicocca, C. inaequalis,
Chlamydella: Chloroplast cup-shaped; pyrenoid central lateral; nucleus anterior-posterior
Chlamydomonas
C. hallensis, C. moewusii, C. monadina, C. parvula, C. peterfii,
Chlorogoniella: Chloroplast lateral; pyrenoid central lateral; nucleus anterior-posterior
Chlamydomonas
C. acuta, C. aplanata ?, C. asymmetrica, C. baca ?, C. botryopara ??, C. fiscina ?, C. geitleri, C. kakosmos ?, C. proteus ?, C. oligochloris C. rhinoceros, C. sagittula ?,
Pseudagloë: Chloroplast centrally located, concaved at both ends; pyrenoid central; nucleus anterior
Chlamydomonas
C. biciliata ?, C. christensenii ?, C. mutabilis,
Agloë: Chloroplast centrally located, concaved at both ends; pyrenoid central; nucleus posterior
Chlamydomonas
C. regularis ?, C. sp.
Pleiochloris: Chloroplast cup-shaped; pyrenoids many; nucleus anterior
Chlamydomonas
C. capensis, C. deasonii, C. sp.,
Amphichloris: Nucleus centrally located in between two pyrenoids
Chlamydomonas
C. pseudopertusa,
Similar genus -> Chloromonas; Chlorococcum;

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Chlamydomonas
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