Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 57
... prominent adaxial apodemal pits , and distinctly joined to the axial furrows . In large individuals ( Fig . 39D ) , the L3 lobes protrude laterally almost as much as the frontal lobe , while the L1 lobes are very narrow ( exsag . ) and ...
... prominent adaxial apodemal pits , and distinctly joined to the axial furrows . In large individuals ( Fig . 39D ) , the L3 lobes protrude laterally almost as much as the frontal lobe , while the L1 lobes are very narrow ( exsag . ) and ...
Page 146
... prominent , long median spines ; on either side of the latter on the axial rings are generally 2 prominent tubercles and a variable number , from 2-5 , of smaller tubercles . The ring furrows are promi- nent , with distal apodemal pits ...
... prominent , long median spines ; on either side of the latter on the axial rings are generally 2 prominent tubercles and a variable number , from 2-5 , of smaller tubercles . The ring furrows are promi- nent , with distal apodemal pits ...
Page 153
... prominent post - axial spine and sagittal tubercles on most of the rings . There are also many more pleurae to the pygidium , which terminate in marginal denticles . In view of its somewhat older age , there can be no doubt that B ...
... prominent post - axial spine and sagittal tubercles on most of the rings . There are also many more pleurae to the pygidium , which terminate in marginal denticles . In view of its somewhat older age , there can be no doubt that B ...
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 & 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