Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 161
... Formation , the basal shale of the Bidouw Subgroup , have yielded marine invertebrates . The following lithostratigraphic subdivision of the marine part of the sequence has been recognized , from above downward : ( vii ) Waboomberg ...
... Formation , the basal shale of the Bidouw Subgroup , have yielded marine invertebrates . The following lithostratigraphic subdivision of the marine part of the sequence has been recognized , from above downward : ( vii ) Waboomberg ...
Page 162
... Formation , including Bainella africana ( Salter ) , B. arbuteus ( Lake ) , B. cristagalli ( Woodward ) , B. gamkaensis Rennie , Typhloniscus baini Salter , Ren- niella rossouwi gen . et sp . nov . , Kozlowskiaspis ceres ( Schwarz ) ...
... Formation , including Bainella africana ( Salter ) , B. arbuteus ( Lake ) , B. cristagalli ( Woodward ) , B. gamkaensis Rennie , Typhloniscus baini Salter , Ren- niella rossouwi gen . et sp . nov . , Kozlowskiaspis ceres ( Schwarz ) ...
Page 168
... Formation Sicasica Formation Cruz Loma Sandstone Metacryphaeus tuberculatus Zone Ponta Grossa Shale Ariramba Member Metacryphaeus cornutus Zone Belén Formation Fig . 119. Suggested litho- and biostratigraphic correlations within the ...
... Formation Sicasica Formation Cruz Loma Sandstone Metacryphaeus tuberculatus Zone Ponta Grossa Shale Ariramba Member Metacryphaeus cornutus Zone Belén Formation Fig . 119. Suggested litho- and biostratigraphic correlations within the ...
Contents
Family Otarionidae | 14 |
Family Dalmanitidae | 45 |
Genus Gamonedaspis | 54 |
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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 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