Authors: Eugene Stanley Richardson

  • Pennsylvanian Invertebrates of the Mazon Creek Area, Illinois The Morphology and Affinities of Tullimonstrum: Fieldiana, Geology, Vol. 12, No. 8 — Eugene Stanley Richardson

    Pennsylvanian Invertebrates of the Mazon Creek Area, Illinois The Morphology and Affinities of Tullimonstrum: Fieldiana, Geology, Vol. 12, No. 8 — Eugene Stanley Richardson