Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 122
... distally . The occipital ring is poorly preserved , but seems to have been smooth and of more or less constant width . The cheeks are subtrigonal , weakly convex , and with deep . straight posterior border furrows and subrounded genal ...
... distally . The occipital ring is poorly preserved , but seems to have been smooth and of more or less constant width . The cheeks are subtrigonal , weakly convex , and with deep . straight posterior border furrows and subrounded genal ...
Page 125
... distally and connect only very faintly with the axial furrows . The 2p furrows are transverse , deepest medially and becoming effaced distally . The 1p furrows are deep , short , parallel to the 2p furrows , and distinctly connected to ...
... distally and connect only very faintly with the axial furrows . The 2p furrows are transverse , deepest medially and becoming effaced distally . The 1p furrows are deep , short , parallel to the 2p furrows , and distinctly connected to ...
Page 153
... distally whilst L2 narrows distally . L3 remains almost constant in width , perhaps broadening slightly distally . There is no evidence of tubercula- tion on any of the lobes or on the median area of the glabella . The occipital furrow ...
... distally whilst L2 narrows distally . L3 remains almost constant in width , perhaps broadening slightly distally . There is no evidence of tubercula- tion on any of the lobes or on the median area of the glabella . The occipital furrow ...
Contents
Family Otarionidae | 14 |
Family Dalmanitidae | 45 |
Family Synphoriidae | 51 |
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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 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