Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 20
... comprises 13 segments with a very broad axis , which is at least 60 per cent of the thoracic width . Ornament comprises scattered granules and randomly distributed tubercles ( Fig . 25 ) , the latter tending . however , to form a ...
... comprises 13 segments with a very broad axis , which is at least 60 per cent of the thoracic width . Ornament comprises scattered granules and randomly distributed tubercles ( Fig . 25 ) , the latter tending . however , to form a ...
Page 47
... comprises about 50 vertical files of lenses , with 15 ocelli in the central file and a total of about 577 ocelli to the visual surface . It also shows an unornamented palpebral lobe weakly separated from the unornamented palpebral area ...
... comprises about 50 vertical files of lenses , with 15 ocelli in the central file and a total of about 577 ocelli to the visual surface . It also shows an unornamented palpebral lobe weakly separated from the unornamented palpebral area ...
Page 63
... comprising Calmonia , Paracalmonia , Metacryphaeus ( Metacryphaeus ) , M. ( Wolfartaspis ) , Tibagya and Punillaspis , the Phacopina plexus of Phacopina , Pennaia , Oosthuizenella and Andinacaste , the Probolops group comprising ...
... comprising Calmonia , Paracalmonia , Metacryphaeus ( Metacryphaeus ) , M. ( Wolfartaspis ) , Tibagya and Punillaspis , the Phacopina plexus of Phacopina , Pennaia , Oosthuizenella and Andinacaste , the Probolops group comprising ...
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