Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 190
... genera only and for this reason it is interpreted as an apomorphic condition . Also in these genera , the mesethmoid extends as far as the posterior border of the palatines , whereas in the other Phocidae it separates from the palatines ...
... genera only and for this reason it is interpreted as an apomorphic condition . Also in these genera , the mesethmoid extends as far as the posterior border of the palatines , whereas in the other Phocidae it separates from the palatines ...
Page 191
... genera of the Cystophora group is very similar to that of Monachus ( subfamily Monachinae ) and it is regarded as a symplesiomorphy among the Phocidae ( see p . 195 ) . The resemblances between Histriophoca and Pagophilus are striking ...
... genera of the Cystophora group is very similar to that of Monachus ( subfamily Monachinae ) and it is regarded as a symplesiomorphy among the Phocidae ( see p . 195 ) . The resemblances between Histriophoca and Pagophilus are striking ...
Page 195
... genera the external cochlear foramen is located at the anterior extremity of a groove separating the mastoid bulla and the petrosal , the latter not being completely covered by the tympanic bulla . This striking similarity is here ...
... genera the external cochlear foramen is located at the anterior extremity of a groove separating the mastoid bulla and the petrosal , the latter not being completely covered by the tympanic bulla . This striking similarity is here ...
Contents
Family Otarionidae | 14 |
Family Dalmanitidae | 45 |
Genus Gamonedaspis | 54 |
Copyright | |
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Common terms and phrases
2p furrows 9 fig abaxially Acropyga adaxial Anoplolepis anteriorly apodemal pits distally apomorphic arbuteus Lake axial furrows axial rings axis Bainella baini Baldis bulla Burmeisteria herscheli Murchison Calmonia cephalon Clarke Cryphaeus custodiens Dalmanites deep Devonian distinct Douvilleiceras Eldredge & BraniĊĦa exsag external cochlear foramen eyes facial suture fauna Francovichia frontal lobe gamkaensis Gamonedaspis genal angles genera genus geol glabella Histriophoca holotype Homalonotus internal moulds Kozlowski Kozlowskiaspis L1 lobes lateral view lectotype Lobodontini Malvinokaffric margin material median Metacryphaeus Mirounga Miroungini moderately convex monachines Monachus Monotherium Muizon narrow occipital furrow occipital ring ocellus Oosthuizenella Oxytropidoceras Pennaia petrosal Phacopina Phacops Phoca phocids pleural fields pleural grooves post-axial posterior border furrows Potamotherium preserved as internal pugnacious pygidial pygidium Reed Rennie Renniella ribs ring furrows sagittal length Schwarz seals segmentation Semantor semantorids slightly South African Museum specimens strongly subfamily suckers synapomorphy thorax transverse trilobites tubercles Typhloniscus ventral weakly width Wolfart