Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 115
... impressed and connected to the axial furrows . Adaxially , however , they are very fine and weakly impressed , and barely discernible . This gives the impression of very short 3p furrows . The 2p furrows are lightly impressed ...
... impressed and connected to the axial furrows . Adaxially , however , they are very fine and weakly impressed , and barely discernible . This gives the impression of very short 3p furrows . The 2p furrows are lightly impressed ...
Page 122
... 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 . ) considerably abaxially , and are distinctly ...
... 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 . ) considerably abaxially , and are distinctly ...
Page 123
... impressed , except between the eyes and L3 lobes where they become almost obsolete . There are distinct axial furrow pits . The 3p furrows are rather weakly impressed , almost straight , and directed strongly posteromedially ; they ...
... impressed , except between the eyes and L3 lobes where they become almost obsolete . There are distinct axial furrow pits . The 3p furrows are rather weakly impressed , almost straight , and directed strongly posteromedially ; they ...
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