Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
From inside the book
Results 1-3 of 37
Page 72
... angles , has transverse 2p glabellar furrows which deepen adaxially , possesses fewer axial rings and pleurae to the pygidium , with only 3 pairs of minute pleural spines , and lacks a terminal spine . The material assigned by Clarke ...
... angles , has transverse 2p glabellar furrows which deepen adaxially , possesses fewer axial rings and pleurae to the pygidium , with only 3 pairs of minute pleural spines , and lacks a terminal spine . The material assigned by Clarke ...
Page 75
... angles but , as can clearly be seen from Figure 52 , this is an artefact of preservation . The posterior border of the left cheek of the holotype has been broken off for almost its entire length , save for a small , narrow remnant at ...
... angles but , as can clearly be seen from Figure 52 , this is an artefact of preservation . The posterior border of the left cheek of the holotype has been broken off for almost its entire length , save for a small , narrow remnant at ...
Page 144
... angles produced into stout , diagonally directed spines whose distal terminations are unknown . The posterior border furrows are rather deep and well defined , meeting the shallower , indistinct lateral border furrows in acute angles ...
... angles produced into stout , diagonally directed spines whose distal terminations are unknown . The posterior border furrows are rather deep and well defined , meeting the shallower , indistinct lateral border furrows in acute angles ...
Contents
Family Otarionidae | 14 |
Family Dalmanitidae | 45 |
Genus Gamonedaspis | 54 |
Copyright | |
4 other sections not shown
Other editions - View all
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