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5 Specimen Results
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Class:
Xiphosura
Class:
Pteraspidomorpha
Filter by
Phylum
Arthropoda (4)
Chordata (1)
Order
Astrapidiformes (1)
Eurypterida (4)
Family
Astraspididae (1)
Eurypteridae (4)
Genus
Astraspis (1)
Eurypterus (4)
has media
Has media (3)
Has no media (2)
Individual/Organization
Zakrzewski, R.J. (1)
Wooster, L.C. (2)
Kopper, M.T. (2)
Bonner, O.W. (1)
Patten, W. (2)
Period
Ordovician (1)
Silurian (4)
Formation
Harding (1)
Waterlime (1)
Country
Finland (2)
United States of America (3)
State/Province
Colorado (1)
New York (2)
County
Erie (2)
Freemont (1)