Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 57
... lobes protrude laterally almost as much as the frontal lobe , while the L1 lobes are very narrow ( exsag . ) and reduced . In PRV - 126a ( Fig . 7A ) , the 3p and 2p furrows are joined proximally , so as to isolate the L3 lobes , while ...
... lobes protrude laterally almost as much as the frontal lobe , while the L1 lobes are very narrow ( exsag . ) and reduced . In PRV - 126a ( Fig . 7A ) , the 3p and 2p furrows are joined proximally , so as to isolate the L3 lobes , while ...
Page 108
South African Museum. x 2 . The L1 lobes are moderately broad ( exsag . ) and of more or less constant width , and the L2 lobes characteristically narrow abaxially . There is no posterior median depression to the frontal lobe . The ...
South African Museum. x 2 . The L1 lobes are moderately broad ( exsag . ) and of more or less constant width , and the L2 lobes characteristically narrow abaxially . There is no posterior median depression to the frontal lobe . The ...
Page 122
... lobes broaden ( exsag . ) considerably abaxially , and are distinctly connected to the axial furrows . The occipital furrow is broad , anteriorly convex , and with deep apodemal pits distally . The occipital ring is poorly preserved ...
... lobes broaden ( exsag . ) considerably abaxially , and are distinctly connected to the axial furrows . The occipital furrow is broad , anteriorly convex , and with deep apodemal pits distally . The occipital ring is poorly preserved ...
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