By complex life I am referring to any multi-cellular like form, and the early Cambrian period with small shelled animals, spirogyra like plants, worms etc is an example of complex life.    From Wordnik.com.  [If the Earth is Rare, We May Not Hear from ET | Universe Today] Reference

Home mortgage insurance biaural to typo abdicable spirogyra specular, of any disparaging, blindly of loofa is pressingly a clanking latest.    From Wordnik.com.  [Rational Review] Reference

Guesstimate is no spirogyra but it’s not an especially bad-looking or - sounding creation, and it has its own semantic spot.    From Wordnik.com.  [No discernible circumference] Reference

After several historical examples of the scientific literary tradition (Voltaire on smallpox inoculations; Anton van Leeuwenhoek on spirogyra; Huxley’s public lecture - “On a Piece of Chalk”; Darwin), McEwan turns to Dawkins.    From Wordnik.com.  [McEwan On A Scientific Literary Tradition] Reference

It was an algae called spirogyra.    From Wordnik.com.  [The Origins Of The Word 'Cell'] Reference