Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 47
... posterior border furrows are deep and transverse , whereas the lateral border furrows are shallow . The eye is very large , certainly 50 per cent of the exsaggital cephalic length . A well - preserved eye that seems to belong to this ...
... posterior border furrows are deep and transverse , whereas the lateral border furrows are shallow . The eye is very large , certainly 50 per cent of the exsaggital cephalic length . A well - preserved eye that seems to belong to this ...
Page 119
... posterior border furrows that curve forward distally . The lateral border furrows are shallow and ill - defined . The posterior border is prominent , broadening ( exsag . ) abaxially , as are the lateral borders . There is a distinct ...
... posterior border furrows that curve forward distally . The lateral border furrows are shallow and ill - defined . The posterior border is prominent , broadening ( exsag . ) abaxially , as are the lateral borders . There is a distinct ...
Page 190
... posterior border of each palatine , is also common in Phoca and Pusa ( Burns & Fay 1970 ) , and during the present study it was observed in Monachus , Leptony- chotes , and Hydrurga . If this notch were absent , the posterior border of ...
... posterior border of each palatine , is also common in Phoca and Pusa ( Burns & Fay 1970 ) , and during the present study it was observed in Monachus , Leptony- chotes , and Hydrurga . If this notch were absent , the posterior border of ...
Contents
Family Otarionidae | 14 |
Family Dalmanitidae | 45 |
Family Synphoriidae | 51 |
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 & Braniša exsag external cochlear foramen eyes facial suture faunas figured Francovichia frontal lobe gamkaensis Gamonedaspis genal angles genera genus glabella Gydo Formation 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 narrow occipital furrow occipital ring ocellus Oosthuizenella Oxytropidoceras Pennaia petrosal Phacopina Phacops Phoca phocids pleural fields pleural grooves posterior border furrows Potamotherium preserved as internal pugnacious pygidial pygidium Reed Rennie Renniella ribs ring furrows sagittal length Schwarz segmentation Semantor semantorids slightly South African Museum specimens strongly subfamily suckers synapomorphy thorax transverse trilobites tubercles Typhloniscus ventral weakly width Wolfart Zone