Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 20
... suture is highly variable . with the rostral suture either transverse , concave or biconcave . This character may be ontogenetically related ( Fig . 23 ) since small individuals generally have a concave rostral suture , while a ...
... suture is highly variable . with the rostral suture either transverse , concave or biconcave . This character may be ontogenetically related ( Fig . 23 ) since small individuals generally have a concave rostral suture , while a ...
Page 36
... sutures for the various rostral suture types . Circles - concave rostral suture ; triangles = straight rostral sutures ; dots = biconcave rostral sutures . Discussion This species is so similar to B. herscheli that it does not warrant ...
... sutures for the various rostral suture types . Circles - concave rostral suture ; triangles = straight rostral sutures ; dots = biconcave rostral sutures . Discussion This species is so similar to B. herscheli that it does not warrant ...
Page 238
... suture is almost obsolete . During the winter of 1974 , however , collection's made at Paternoster , about 12 km north of Jacobs Bay , revealed workers of both types ( some with small eyes , obsolete mesome- tanotal suture and four ...
... suture is almost obsolete . During the winter of 1974 , however , collection's made at Paternoster , about 12 km north of Jacobs Bay , revealed workers of both types ( some with small eyes , obsolete mesome- tanotal suture and four ...
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