Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 20
... individuals generally have a concave rostral suture , while a biconcave suture is encountered only in mod- erately large to large specimens . The entire surface of the cephalon is granu- lose , with randomly scattered tubercles ( Fig ...
... individuals generally have a concave rostral suture , while a biconcave suture is encountered only in mod- erately large to large specimens . The entire surface of the cephalon is granu- lose , with randomly scattered tubercles ( Fig ...
Page 21
... Individuals , otherwise identical , differ considerably in this respect ' . The author agrees wholeheartedly with this statement although the varietal rank is here used only for recurring morphotypes that form a significant percentage ...
... Individuals , otherwise identical , differ considerably in this respect ' . The author agrees wholeheartedly with this statement although the varietal rank is here used only for recurring morphotypes that form a significant percentage ...
Page 26
... individuals have been forthcoming and the characters seem to be those of an aberrant individual . As such , the perpetuation of Reed's name is tantamount to naming individuals and it is not used here . Reed ( 1925a : 172 ) introduced ...
... individuals have been forthcoming and the characters seem to be those of an aberrant individual . As such , the perpetuation of Reed's name is tantamount to naming individuals and it is not used here . Reed ( 1925a : 172 ) introduced ...
Contents
Family Otarionidae | 14 |
Family Dalmanitidae | 45 |
Family Synphoriidae | 51 |
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 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