biostratigraphy and paleoecology of cretaceous/tertiary boundary in ...
biostratigraphy and paleoecology of cretaceous/tertiary boundary in ...
biostratigraphy and paleoecology of cretaceous/tertiary boundary in ...
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PLATE -7<br />
Scale bar represents magnification on the specimens<br />
Fig. 1 Heterohelix globulosa.(Ehrenberg). Reddish to pal brown succession,<br />
Early Maastrichtian, Smaquli, Specimen from G. gansseri Zone<br />
Fig. 2 Heterohelix striata. (Ehrenberg). Reddish to pal brown succession,<br />
Early Maastrichtian, Smaquli, Specimen from G. gansseri Zone<br />
Fig. 3 Heterohelix nauttalli. (Voorwijk). Reddish to pal brown succession,<br />
Early Maastrichtian, Smaquli, Specimen from G. gansseri Zone<br />
Fig. 4 Heterohelix globulosa. (Ehrenberg) reddish to pal brown succession,<br />
Early Maastrichtian, Smaquli, Specimen from G. gansseri Zone<br />
Fig. 5 Heterohelix punctulata. (Cushman), Reddish to pal brown succession,<br />
Early Maastrichtian, Smaquli, Specimen from G. gansseri Zone<br />
Fig. 6 Heterohelix reussi . (Cushman). Reddish to pal brown succession,<br />
Early Maastrichtian, Smaquli, Specimen from G. gansseri Zone<br />
Figs. 7-8 Globotruncanella havanensis. (Voorwijk), 7- spiral view,<br />
8- umbilical view , Reddish to pal brown succession, Early Maastrichtian,<br />
Smaquli, Specimen from R. fructicusa Zone<br />
Fig. 9 Globotruncanella pschadae. (Keller), spiral view. Reddish to pal brown<br />
succession, Early Maastrichtian, Smaquli, Specimen from R. fructicusa Zone<br />
Figs.10-12 Globotruncanella petaloidia. (G<strong>and</strong>olfi), 10- side view,<br />
11- umbilical view, 12- spiral view. Reddish to pal brown succession,<br />
Early Maastrichtian, Smaquli, Specimen from R. fructicusa Zone