Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
From inside the book
Results 1-3 of 39
Page 196
... region and that of the Lobodontini are considered here as parallel apomorphies . To sum up , the morphological stages representing the modifications of the auditory region of seals for aquatic adaptation can be illustrated by Potamo ...
... region and that of the Lobodontini are considered here as parallel apomorphies . To sum up , the morphological stages representing the modifications of the auditory region of seals for aquatic adaptation can be illustrated by Potamo ...
Page 256
... region where the suckers become more subequal in size . Ultimately , however , there remain a few proximal suckers that appear to have a general biserial rather than quadriserial arrangement and their number is remarkably constant ...
... region where the suckers become more subequal in size . Ultimately , however , there remain a few proximal suckers that appear to have a general biserial rather than quadriserial arrangement and their number is remarkably constant ...
Page 265
... region , and recorded the species D. mammillatum var . ? aequinodum ( Quenstedt ) and D. orbignyi Hyatt , thereby suggesting the presence of upper Lower Albian ( D. mammillatum Zone ) strata . Cooper ( 1976 ) described the bio- and ...
... region , and recorded the species D. mammillatum var . ? aequinodum ( Quenstedt ) and D. orbignyi Hyatt , thereby suggesting the presence of upper Lower Albian ( D. mammillatum Zone ) strata . Cooper ( 1976 ) described the bio- and ...
Contents
Family Otarionidae | 14 |
Family Dalmanitidae | 45 |
Family Synphoriidae | 51 |
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 & 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