Past Field Trips

with photographs

Oniella and Lepidocyclus brachiopods

Photographs and descriptions by Rick Schrantz

Ordovician

Silurian and/or Devonian

Mississippian

Pennyslvanian

Mesozoic-Cenozoic

Other

Photographs copyrighted by Rick Schrantz, 1998, 1999, 2000, 2001