Heterocladus waukeshaensis System: Silurian (Llandoverian) Formation: Brandon Bridge Locality: Waukesha, WI	n. gen, n. sp. (description in progress) System: Silurian (Ludlovian) Formation: Eramosa Locality: Ontario
n. gen, n. sp. (description in progress) System: Silurian Formation: Locality: Missouri	Chaetocladus dubius System: Silurian (Ludlovian) Formation: Eramosa Locality: Hamilton, Ontario
Diplospirograptus goldringae System: Silurian Formation: Goat Island Locality: Gasport, New York	Medusaegraptus mirabilis System: Silurian Formation: Goat Island Locality: Gasport, New York
Chaetocladus ruedemanni System: Silurian Formation: Goat Island Locality: Gasport, New York	Chaetocladus sp. (desc. in progress) System: Silurian (Llandoverian) Formation: Wilhelmi Locality: Essex, Illinois
Chaetocladus plumula System: Ordovician Formation: Platteville Locality: Platteville, Wisconsin	Primicorallina trentonensis System: Ordovician Formation: Trenton Locality: Middleville, New York