Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 19
... slightly elevated and generally subtrapezoidal in outline , though tending to urceolate in some individuals . The axial furrows are moderately deep , diverging slightly to the posterior , whilst the anterior margin of the glabella is ...
... slightly elevated and generally subtrapezoidal in outline , though tending to urceolate in some individuals . The axial furrows are moderately deep , diverging slightly to the posterior , whilst the anterior margin of the glabella is ...
Page 73
... slightly sinuous , and distinctly connected to the axial furrows . The 2p furrows are deep , transverse , and distally obsolete , so that L2 and L3 coalesce distally . The 1p furrows are very deep , directed slightly posteromedially ...
... slightly sinuous , and distinctly connected to the axial furrows . The 2p furrows are deep , transverse , and distally obsolete , so that L2 and L3 coalesce distally . The 1p furrows are very deep , directed slightly posteromedially ...
Page 124
... slightly concave to the anterior , and broad , shallow , indistinct lateral furrows . The posterior borders broaden ( exsag . ) slightly abaxially , and the well - rounded genal angles bear minute spines . The eyes , situated between ...
... slightly concave to the anterior , and broad , shallow , indistinct lateral furrows . The posterior borders broaden ( exsag . ) slightly abaxially , and the well - rounded genal angles bear minute spines . The eyes , situated between ...
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