Annals of the South African MuseumThe Museum, 1991 - Natural history |
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Page 7
... figured by Neumayr ( in Holub & Neumayr 1881 , pl . 2 ( fig . 3 ) ) . Material A total of 22 specimens were examined : SAM - 4646 , D1876 ( 2 specimens ) , D1881-82 , D1893 ( 9 specimens ) , D1896 , D1932 and D1973 ( 2 specimens ) , as ...
... figured by Neumayr ( in Holub & Neumayr 1881 , pl . 2 ( fig . 3 ) ) . Material A total of 22 specimens were examined : SAM - 4646 , D1876 ( 2 specimens ) , D1881-82 , D1893 ( 9 specimens ) , D1896 , D1932 and D1973 ( 2 specimens ) , as ...
Page 16
... figured by Kitchin ( 1908 , pl . 4 ( fig . 2 ) ) , SAM - PCU3981 ( Fig . 6 ) . Material A total of 59 specimens were available for study in the South African Museum ; SAM - D1881 ( 25 specimens ) , D1977 ( 3 specimens ) , D1979 , D1989 ...
... figured by Kitchin ( 1908 , pl . 4 ( fig . 2 ) ) , SAM - PCU3981 ( Fig . 6 ) . Material A total of 59 specimens were available for study in the South African Museum ; SAM - D1881 ( 25 specimens ) , D1977 ( 3 specimens ) , D1979 , D1989 ...
Page 41
... figured by Kitchin ( 1908 , pl . 3 ( fig . 2 ) ) ( Fig . 23 ) , in the South African Museum . Material In addition to the holotype ( SAM - 3999 ) , there are three other specimens in the South African Museum , SAM - D1942 and D1883 ( 2 ...
... figured by Kitchin ( 1908 , pl . 3 ( fig . 2 ) ) ( Fig . 23 ) , in the South African Museum . Material In addition to the holotype ( SAM - 3999 ) , there are three other specimens in the South African Museum , SAM - D1942 and D1883 ( 2 ...
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Common terms and phrases
Algoa Basin Anditrigonia antecarinal sulcus anterior commissure anterolateral shoulder anteroventrally Apiotrigoniinae Bivalvia broad chevrons coarse commissure comprises convex Cooper Cretaceous Description Shell Diagnosis elongate escutcheon carina faunas finely crenulated flank costae flank ornament genus growth rugae growth striae Hauterivian Hoepen holotype inflated anteriorly interspaces Iotrigonia irregular Kobayashi kraussi Kitchin lanceolate large maximum length Lateral view lectotype left valve longitudinal groove Megatrigoniacea moderately Myophorella Myophoriidae Nakano neotype nepionic stages Neumayr nodate Nototrigoniinae opisthogyrous beaks Paranditrigonia paratypes persisting to maturity phyletic Port Elizabeth Museum posterior set posterodorsal margin Poulton Pterotrigonia radial costellae radial ornament Rennie respiratory margin Reyes ribs right valve rostrate shallowly concave shell length Skwarko smooth South African Museum Steinmanella herzogi Goldfuss straight strongly oblique subconcentric subfamily Sundays River Superfamily synonymy Tashiro Tithonian transverse costellae transverse ornament Trigonia Trigoniacea Trigoniinae trigonioid tubercles Type species Upper Valanginian V-shaped Valanginian vau Sharpe ventral margin ventricosa Krauss Yaadia