. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. C D Fig. 4. Relationships of the nasal, maxilla and premaxilla in some Phocidae. A. Monachus tropicalis. B. Leptonychotes weddelli. C. Phoca vitulina. D. Pagophilus groenlandicus. constant as the three used in Figure 1, were not included in the cladogram. Nevertheless, circumspectly they can be employed as diagnostic features of both subfamilies. THE PHOCINAE In view of the scarcity of cranial remains of fossil phocines, only the phylogeny of living representatives of this group will be consider
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. C D Fig. 4. Relationships of the nasal, maxilla and premaxilla in some Phocidae. A. Monachus tropicalis. B. Leptonychotes weddelli. C. Phoca vitulina. D. Pagophilus groenlandicus. constant as the three used in Figure 1, were not included in the cladogram. Nevertheless, circumspectly they can be employed as diagnostic features of both subfamilies. THE PHOCINAE In view of the scarcity of cranial remains of fossil phocines, only the phylogeny of living representatives of this group will be considered. One feature allows the separation of the subfamily into two tribes, Erigna- thini and Phocini. It is the gluteal fossa on the latteral side of the ilium that is extremely deep in the Phocini (King 1964; Hendey & Repenning 1972) but is shallow in the Erignathini and all the monachines. The condition of the Phocini. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
