Translation 2816
Translation 2816
Translation 2816
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34.<br />
1"Longitudina1 groove carinate.<br />
C( n C anima • is on the left edge of the.groove..<br />
The epivalve is cupuliform,, the hypo-,<br />
valve broadly rounded and sinuous at<br />
the antapical end.<br />
G. carinatum 19.<br />
Car ia is on the right edge of the<br />
groove. The epivalve is conical, with<br />
sides somewhat convex, the hypovalve<br />
narrowly rounded. G. veris. 20.<br />
2"Longitudinal groove not carinate. (115)<br />
00Cel1s roundish, spherical, also often<br />
broadly oval.<br />
i"Both halves of the body are uniformly<br />
rounded, epivalve and hypovalve hemispherical,<br />
up to 30 x 25A , with an<br />
oblique ridge on the epivalve. Stigma<br />
present G. coronatum 21.<br />
it The epivalve is half-oval, often somewhat<br />
asymmetrical. The hypovalve is<br />
broadly rounded, often obliquely conical,<br />
likewise occasionally asynnetrical, and<br />
emarginated at the antapical end. No<br />
stigma. Form variable. Measurements:<br />
32-35 x 22-25A. G. rotundatum 23.
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