Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 109
... pits . The 1p furrows are parallel to and similar in all respect to the 2p furrows . On internal moulds the occipital furrow is broadest sagittally , but where the cuticle is preserved it is of uniform width and with distal apodemal pits ...
... pits . The 1p furrows are parallel to and similar in all respect to the 2p furrows . On internal moulds the occipital furrow is broadest sagittally , but where the cuticle is preserved it is of uniform width and with distal apodemal pits ...
Page 124
... pits distally . The smooth occipital ring is somewhat inflated , and broadest sagittally . The cheeks are rather convex , with deep posterior furrows that are slightly concave to the anterior , and broad , shallow , indistinct lateral ...
... pits distally . The smooth occipital ring is somewhat inflated , and broadest sagittally . The cheeks are rather convex , with deep posterior furrows that are slightly concave to the anterior , and broad , shallow , indistinct lateral ...
Page 125
... pits distally . The eyes seem to have been raised on palpebral prominences and appear to be small , only about one - quarter of the exsagittal length of the cephalon . The characters of the genae and facial sutures are unknown ...
... pits distally . The eyes seem to have been raised on palpebral prominences and appear to be small , only about one - quarter of the exsagittal length of the cephalon . The characters of the genae and facial sutures are unknown ...
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