Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 14
... anterior furrow and a convex anterior border . The lateral borders to the cephalon are also very broad . The glabella is strongly inflated , trapezoidal in outline , almost rectangular , with maximum width at the occipital furrow . The ...
... anterior furrow and a convex anterior border . The lateral borders to the cephalon are also very broad . The glabella is strongly inflated , trapezoidal in outline , almost rectangular , with maximum width at the occipital furrow . The ...
Page 65
... anterior border visible dorsally and with a short median frontal process , and there are invariably 6 pairs of pleural spines to the pygidium . In Phacops ocellus , however , the 3p and 2p furrows are equally developed , sinuous and ...
... anterior border visible dorsally and with a short median frontal process , and there are invariably 6 pairs of pleural spines to the pygidium . In Phacops ocellus , however , the 3p and 2p furrows are equally developed , sinuous and ...
Page 87
... anterior with deep , straight axial furrows . The inflated frontal lobe is coarsely pitted by internal muscle scars , and there is a well - developed posterior median impression . The 3p furrows are strongly developed , directed ...
... anterior with deep , straight axial furrows . The inflated frontal lobe is coarsely pitted by internal muscle scars , and there is a well - developed posterior median impression . The 3p furrows are strongly developed , directed ...
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