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†Phymaspis Poulsen 1964
urn:lsid:organismnames.com:name:2555520
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†Phymaspis Poulsen 1964
Poulsen 1964. Contribution to the Lower and Middle Cambrian paleontology and stratigraphy of Northwest Greenland. Meddelelser om Gronland, 164(6) 1964: 1-82