Simpson's unionid types and miscellaneous unionid types in the National Museum of Natural History
by Richard I. Johnson
Bok Engelsk 1975 Richard Irwin Johnson
| Utgitt | Cambridge, Mass. : Dept. of Mollusks, Museum of Comparative Zoology, Harvard University , 1975
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| Omfang | 56 s. : ill.
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| Emner | Simpson, Charles T. : (NO-TrBIB)1088789
National Museum of Natural History (Forente Stater) : (NO-TrBIB)90102910 Mollusks - Type specimens Unionidae skjell Unionacea |
