Periodo Ordovícico
Strophomena filitexta (Hall 1847) L. 25,5 mm.

Decorah Formation, Late Ordovician (Sandbian), Route MM, Jefferson County, Missouri. USA

Glyptorthis insculpta (Hall 1847) L. 13 mm.

Waynesville Formation, Richmond Group, Late Ordovician (Katian). Cincinnati area, Ohio, Indiana. USA

Rafinesquina trentonensis (Hall 1847)

Decorah Formation. Late Ordovician (Sandbian) Route MM. Jefferson County, Missouri. USA

Septatrypa sp.

Ashgilian Solberga (Dalarna, Sweden) Rhynchonellata - Atrypida - Lissatrypidae

Hirnantia kinnelloides (Havlicek 1977)

Ordovícico Superior, Amendoa- Macao. Portugal Rhynchonellata - Orthida - Draboviidae

Nicolella sp (Pickerill & Brenchley, 1979),

Ordovícico Superior de Macao, Portugal. Rhynchonellata - Orthida - Productorthidae

Catazyga sp. (Hall and Clarke 1893) 12 mm.

Orzechowo (Polonia)

Periodos