by Leif Størmer
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Downtonian Merostomata from Spitsbergen
Scandinavian Trinucleidae with special r...
Arthropoda 2
Über den neuen
Merostomata from the Downtonian sandston...
Pennsylvanian invertebrates of the Mazon...
Eurypterids of the Devonian Holland Quar...
The Eurypterida of New York
Ceratiocaridae from the upper Devonian M...
Crustacea
An eurypterid horizon in the Niagara for...