Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 65
... 2p furrows are equally developed , sinuous and parallel , without adaxial deepening of the 2p furrows , the glabellar frontal lobe overhangs the anterior border , there is no sign of a frontal process , and there are only 4 pairs of ...
... 2p furrows are equally developed , sinuous and parallel , without adaxial deepening of the 2p furrows , the glabellar frontal lobe overhangs the anterior border , there is no sign of a frontal process , and there are only 4 pairs of ...
Page 122
... furrows . The 2p furrows are moderately impressed , anteriorly convex , and weakly connected to the axial furrows . The 1p furrows are very deep and directed strongly posterome- dially , so that the L1 lobes broaden ( exsag ...
... furrows . The 2p furrows are moderately impressed , anteriorly convex , and weakly connected to the axial furrows . The 1p furrows are very deep and directed strongly posterome- dially , so that the L1 lobes broaden ( exsag ...
Page 150
... furrows and an inflated frontal lobe that overhangs the anterior border . There is a distinct posterior median pit ... 2p furrows proximally but failing to unite with the axial furrows . The 2p furrows are also very broad ( exsag ...
... furrows and an inflated frontal lobe that overhangs the anterior border . There is a distinct posterior median pit ... 2p furrows proximally but failing to unite with the axial furrows . The 2p furrows are also very broad ( exsag ...
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 & 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