User Options
Toggle navigation
Login
Register
Login
Register
Main Site
Browse
Advanced Search
Featured
About
7 Specimen Results
Add all results to lightbox
Select results to add to lightbox
Sort by:
Title
Sort order:
Ascending
Descending
Start Over
Download results as:
Checklist
PDF (thumbnails)
Specimen information (Excel)
Add selected results to lightbox
Period:
Ordovician
Formation:
Decorah
FHSM IP-2174
Spiroceras
(Meek, 1876)
Formation:
Decorah
Period(Early):
Ordovician
FHSM IP-2177
Batostoma
(Ulrich, 1882)
Formation:
Decorah
Period(Early):
Ordovician
FHSM IP-2178
Hallopora
(Bassler, 1911)
Formation:
Decorah
Period(Early):
Ordovician
FHSM IP-2179
Gastropoda (Cuvier, 1797)
Formation:
Decorah
Period(Early):
Ordovician
FHSM IP-2180
Prasopora
(Nicholson & Etheridge, 1877)
Formation:
Decorah
Period(Early):
Ordovician
FHSM IP-2183
Lambeophyllum
(Okulitch, 1938)
Formation:
Decorah
Period(Early):
Ordovician
FHSM IP-2185
Rhynchotrema
(Hall, 1860)
Formation:
Decorah
Period(Early):
Ordovician
Next 36
Filter by
Phylum
Brachiopoda (1)
Bryozoa (3)
Cnidaria (1)
Mollusca (2)
Order
Ammonitida (1)
Rhynchonellida (1)
Stauriida (1)
Trepostomatida (3)
Class
Anthozoa (1)
Cephalopoda (1)
Gastropoda (1)
Rhynchonellata (1)
Stenolaemata (3)
Family
Halloporidae (1)
Lambelasmatidae (1)
Monticuliporidae (1)
Rhynchotrematidae (1)
Spiroceratidae (1)
Trematoporidae (1)
Genus
Batostoma (1)
Hallopora (1)
Lambeophyllum (1)
Prasopora (1)
Rhynchotrema (1)
Spiroceras (1)
has media
Has media (6)
Has no media (1)
Individual/Organization
Holtzman, R. (7)
Period
Ordovician (7)
Epoch
Middle (1)
Formation
Decorah (7)
Country
United States of America (7)
State/Province
Minnesota (7)
County
Goodhue (7)