Mazon Creek Groups

Species assigned to commonly recognized groups:

• 

  Filicopsida

• 

  Spermatopsida

• 

  Sphenopsida

• 

  Lycopsida

• 

  Spermatopsida - Cordaitales

• 

  Seeds and Pollen Organs

• 

  Thallphyta

• 

  Lesquereux

Mazon Creek Links

Mazon Creek Fossil Flora	Paleontology	Groups	Glossary	Pronunciation