资讯

Nature1 天
Jurassic fossil reveals the origin of parasitic thorny-headed worms
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Nature10 天
Dr H G Bronns Klassen und Ordnungen des Tierreichs
DR. MEYER gives an interesting historical account of the Acanthocephala from their discovery by Leeuwenhoek (1695) who found two species in the gut of the eel. Koelreuther (1771) and 0.