Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 57
... 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 the 2p and 1p furrows are also weakly joined ...
... 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 the 2p and 1p furrows are also weakly joined ...
Page 124
... frontal lobe , while the posterior branch is initially directed anterolaterally , before recurving strongly to meet the lateral margin just in front of the genal spinules . Discussion The very small size , large eyes , and minute genal ...
... frontal lobe , while the posterior branch is initially directed anterolaterally , before recurving strongly to meet the lateral margin just in front of the genal spinules . Discussion The very small size , large eyes , and minute genal ...
Page 150
... frontal lobe that overhangs the anterior border . There is a distinct posterior median pit to the frontal lobe but no well - developed auxiliary impression system . On internal moulds , the 3p furrows are broad . ( exsag . ) , sinuous ...
... frontal lobe that overhangs the anterior border . There is a distinct posterior median pit to the frontal lobe but no well - developed auxiliary impression system . On internal moulds , the 3p furrows are broad . ( exsag . ) , sinuous ...
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