Steph's Mnemonic on the P. Chlorophyta
Chlamydonas, Pandorina, Eudorina, Volvox
Chlamydomonas - sounds like chlamidia, takes 2 to get, got 2 flagella
Pandorina - has 16 cells - 16y.olds always getting into stuff, opening pandora's box
Eudorina - Pandorina's older 32y.old sister
Volvox - Sounds like sex - sexual stages seen, zygospore thick spiny walls.