P. H. Greenwood, The osteology and relationships of the Denticipitidae, a family of Clupeomorph fishes (London: British Museum, 1968)
As an undergraduate he worked in the laboratory of Robert L. Carroll and earned his Ph.D. at the University of Toronto under the direction of Robert R. Reisz; his thesis concerned the osteology of seymouriamorphs.
The Egyptian Jackal (Canis aureus lupaster) also known as the African Wolf or Wolf Jackal is currently listed as a subspecies of the golden jackal but molecular and osteological data has established that it is a unique species in its own right.