Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 15
... internal moulds , the presence of a median tubercle to the occipital ring , and median tubercles ( spines ? ) to the ... internal mould . × 1,6 . preserved as internal moulds and all x 1 . DEVONIAN TRILOBITA FROM THE BOKKEVELD GROUP 15.
... internal moulds , the presence of a median tubercle to the occipital ring , and median tubercles ( spines ? ) to the ... internal mould . × 1,6 . preserved as internal moulds and all x 1 . DEVONIAN TRILOBITA FROM THE BOKKEVELD GROUP 15.
Page 109
... internal moulds the axial furrows are very deep ( Fig . 81 ) , whereas where the cuticle is preserved ( Fig . 33F ) they are broad and shallow . The 3p glabellar furrows are moderately deep , directed posteromedially at about 45 ° to ...
... internal moulds the axial furrows are very deep ( Fig . 81 ) , whereas where the cuticle is preserved ( Fig . 33F ) they are broad and shallow . The 3p glabellar furrows are moderately deep , directed posteromedially at about 45 ° to ...
Page 150
... internal moulds the L1 lobes are very narrow ( Fig . 111 ) , being very much broader when the cuticle is preserved . The rather broad occipital furrow , especially on internal moulds , is bowed forwards slightly sagittally and with deep ...
... internal moulds the L1 lobes are very narrow ( Fig . 111 ) , being very much broader when the cuticle is preserved . The rather broad occipital furrow , especially on internal moulds , is bowed forwards slightly sagittally and with deep ...
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 & Braniša 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