ammonites

O. L. Karklins 1987

Full reference
O. L. Karklins. 1987. Bryozoa from Rocklandian (Middle Ordovician) rocks of the Upper Mississippi Valley region. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 173-176 [S. Holland/T. Hanson/T. Hanson]
Metadata
ID number:  6692
Created:  2002-07-11 15:12:20
Modified:  2002-07-12 08:12:20
Publication type:  serial monograph
Taxonomy:  stated without evidence