Annals of the South African Museum, Volume 73The Museum, 1977 - Natual history |
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Page 25
... stems . On most stems the two rows of hydrothecae are in the same plane , but in other stems , or even in other parts of the same stem , they may be shifted on to the anterior surface so that the two rows subtend an obtuse angle between ...
... stems . On most stems the two rows of hydrothecae are in the same plane , but in other stems , or even in other parts of the same stem , they may be shifted on to the anterior surface so that the two rows subtend an obtuse angle between ...
Page 112
... Stem strongly fascicled , giving rise to alternate hydrothecae and roughly alternate or subalternate branches from an axial tube . Branches similar to stem , fascicled almost to the end . The two rows of branches and hydrothecae in one ...
... Stem strongly fascicled , giving rise to alternate hydrothecae and roughly alternate or subalternate branches from an axial tube . Branches similar to stem , fascicled almost to the end . The two rows of branches and hydrothecae in one ...
Page 117
... stems often reattaching to one another and to the polyzoan and producing a tangled irregular growth one or two centimetres in height . Stem unfascicled or lightly fascicled , unbranched or branching irregularly and in any plane ...
... stems often reattaching to one another and to the polyzoan and producing a tangled irregular growth one or two centimetres in height . Stem unfascicled or lightly fascicled , unbranched or branching irregularly and in any plane ...
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Common terms and phrases
abbreviations adcauline adnate Africa Albian Allman Ammonites Ammonoidea Amphipoda Ancyloceras Adouliceras aperture Aptian Australiceras author's name authors bicuspidata BMNH body chamber cala Cape Town Casey Cenomanian coiling Collignon constrictions Cretaceous Crioceras crozier described Description distal dorsal dorsum Eoxenopoides reuningi fauna figures flanks fossil frogs Gastropoda genus geol gonothecae H. L. Clark Haughton Helicancyloceras Hoepen holotype hydrocladia hydroids hydrothecae indra internode italics Kerguelen Kossmat Late Santonian lateral Lectotype length lobe locality Lower Aptian Maastrichtian material metres Millard Mozambique nematothecae occur ornament paratypes Pedicel phragmocone pipids Pondoland Pseudophyllites references ribs rounded Saghalinites Santonian Santonian to early scientific name segments separated Sertularella shaft shoulder Sinzow South African Museum southern Spath species specimens spines Stechow stem subheadings subtimotheanus SUID-AFRIKAANSE MUSEUM suture Symplectoscyphus Synonymy Tetragonites text-fig Tonohamites Totton Toxoceratoides transverse Tropaeum tubercles Upper Aptian venter ventral vertebrae Vervoort Wb/Wh whorl section Wiedmann Xenopus Zool Zululand Zygophylax