Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
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Page 6
... ridge from apex to basi - tergal angle before being strongly but quite narrowly reflexed , the ridge enhancing the concavity of the exterior ; a shallow groove is often present along the reflexed tergal segment . Articular ridge high ...
... ridge from apex to basi - tergal angle before being strongly but quite narrowly reflexed , the ridge enhancing the concavity of the exterior ; a shallow groove is often present along the reflexed tergal segment . Articular ridge high ...
Page 9
... ridge separates the new species from all other austral Notomegebalanus species except A. ( N. ) algicola ( Pilsbry , 1916 ) which , however , has a very broad scutum . The absence of scutal radial sculpture is a feature in common with A ...
... ridge separates the new species from all other austral Notomegebalanus species except A. ( N. ) algicola ( Pilsbry , 1916 ) which , however , has a very broad scutum . The absence of scutal radial sculpture is a feature in common with A ...
Page 391
... ridge of the prootic . The antero- dorsal process is rather broad posteriorly but tapers anteriorly , the thinnest part being its anterior edge , which contacts the posteromedial edge of the epi- pterygoid laterally . This region is ...
... ridge of the prootic . The antero- dorsal process is rather broad posteriorly but tapers anteriorly , the thinnest part being its anterior edge , which contacts the posteromedial edge of the epi- pterygoid laterally . This region is ...
Contents
Introduction | 2 |
Geological setting | 10 |
D see DINGLE R V et | 23 |
Copyright | |
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abundance Abyssal Abyssal Zone Agulhas Bank Ammonia Annals assemblage Atlantic Austromegabalanus autozooids axis Basin Bathyal Zone Benson border Brady Broch Buntonia calyces calyx Cape Town Cavernularia coast Coldstream colony Cytherella Cytheropteron d'Orbigny deposits depth range dorsal Echinocythereis Echinoptilum epipterygoid figures foramen Foraminifera Formation genera genus Hatchericeras Henryhowella Holocene holotype illustrations Indian Ocean Kölliker Kophobelemnon Krithe sp Kükenthal & Broch length longitudinal Lower Bathyal Lycorhinus margin McMillan 1987b melobesioides Miocene molle Moschorhinus Neritic opisthotic Orange Shelf ostracod ostracod fauna painted peduncle Pennatula Pennatulacea Peypouquet Pleistocene polyp polyp leaves Poseidonamicus posterior posterodorsal prootic Quinqueloculina rachis recorded region ridge rosenfeldi Rugocythereis salinity samples Scale sclerites sediments Siphonozooids South African Museum south-western Africa southern Africa specimen spindles squamosal stone SUID-AFRIKAANSE MUSEUM surface suture Synonymy taxa teeth tentacles tests three-flanged Tixier-Durivault total ostracod Type species Umbellula Upper Bathyal ventral Virgularia water depth Whatley