Annals of the South African Museum, Volume 89The Museum, 1982 - Natural history |
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Page 10
... segmentation and a distinct post - axial field . ' Proetus ' problematicus Swartz ( 1925 : 56 , pl . 1 ( figs 3-5 ) ) is based upon fragmentary material from Bolivia that shows this species to be micropygous and thus probably an ...
... segmentation and a distinct post - axial field . ' Proetus ' problematicus Swartz ( 1925 : 56 , pl . 1 ( figs 3-5 ) ) is based upon fragmentary material from Bolivia that shows this species to be micropygous and thus probably an ...
Page 43
... segmentation are all features of B. notica and in relative propor- tions the cephala of the two species are all but indistinguishable . Moreover , the pygidium of B. notica figured by Clarke ( 1913 , pl . 2 ( figs 11-12 ) ) shows the ...
... segmentation are all features of B. notica and in relative propor- tions the cephala of the two species are all but indistinguishable . Moreover , the pygidium of B. notica figured by Clarke ( 1913 , pl . 2 ( figs 11-12 ) ) shows the ...
Page 113
... segmentation of Jujuyops is more pronounced with transversely longer 1p furrows , its axial furrows are subparallel and do not diverge strongly towards the anterior as in P. brazilien- sis , and its L1 lobes are much broader ...
... segmentation of Jujuyops is more pronounced with transversely longer 1p furrows , its axial furrows are subparallel and do not diverge strongly towards the anterior as in P. brazilien- sis , and its L1 lobes are much broader ...
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