Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 87
... directed posteromedially at about 60 ° to the axial furrows and distinctly connected to the latter . The 2p furrows are transverse , deepest adaxially , and only very weakly connected to the axial furrows . The 1p furrows are normal to ...
... directed posteromedially at about 60 ° to the axial furrows and distinctly connected to the latter . The 2p furrows are transverse , deepest adaxially , and only very weakly connected to the axial furrows . The 1p furrows are normal to ...
Page 128
... directed anterolaterally , curving forward distally so that they are not confluent with the axial furrows ; the 2p furrows are transverse , perhaps slightly convex to the anterior and do not reach the axial furrows so that the L2 and L3 ...
... directed anterolaterally , curving forward distally so that they are not confluent with the axial furrows ; the 2p furrows are transverse , perhaps slightly convex to the anterior and do not reach the axial furrows so that the L2 and L3 ...
Page 137
... directed posteromedially at about 70 ° to the axial furrows with which they are not connected . The 2p furrows are moderately deep , anteriorly convex , and directed slightly posteromedially ; they do not connect to the axial furrows ...
... directed posteromedially at about 70 ° to the axial furrows with which they are not connected . The 2p furrows are moderately deep , anteriorly convex , and directed slightly posteromedially ; they do not connect to the axial furrows ...
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 & Braniša 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