Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 162
... Zone , the Hexrivier Forma- tion the Mutationella Range Zone , and the contact horizon with the Table Mountain Group , between longitudes 20 ° 45 ' and 20 ° 15 ' , a Pleurothyrella Range Zone . While Theron's ( 1972 ) attempt is ...
... Zone , the Hexrivier Forma- tion the Mutationella Range Zone , and the contact horizon with the Table Mountain Group , between longitudes 20 ° 45 ' and 20 ° 15 ' , a Pleurothyrella Range Zone . While Theron's ( 1972 ) attempt is ...
Page 165
... Zone ( = lower Sicasica Formation ) -with the genera Cryphaeoides , Metacryphaeus , Phacops ( Viaphacops ) , and Trimerus ( Dipleura ) ( iv ) Metacryphaeus tuberculatus Zone ( = uppermost Belén Formation ) — with Metacryphaeus , Pennaia ...
... Zone ( = lower Sicasica Formation ) -with the genera Cryphaeoides , Metacryphaeus , Phacops ( Viaphacops ) , and Trimerus ( Dipleura ) ( iv ) Metacryphaeus tuberculatus Zone ( = uppermost Belén Formation ) — with Metacryphaeus , Pennaia ...
Page 168
... Zone Bainella insolita Zone Talacasto Formation Ponta Grossa Shale Ariramba Member Metacryphaeus venustus Zone Boplaas Formation Tra - Tra Formation Hexrivier Formation Metacryphaeus caffer Zone Gamka Formation Fox Bay Formation ...
... Zone Bainella insolita Zone Talacasto Formation Ponta Grossa Shale Ariramba Member Metacryphaeus venustus Zone Boplaas Formation Tra - Tra Formation Hexrivier Formation Metacryphaeus caffer Zone Gamka Formation Fox Bay Formation ...
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 & 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