| 1. | Volutions are convex laterally, arched ventrally, embraced dorsally.
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| 2. | That's alot to ask from volution.
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| 3. | In 2010 Volutions Magazine was purchased by a consortium of graduate students at Duke University.
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| 4. | K429, as a closely coiled gyrocone of about two volutions, whorls not in contact.
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| 5. | The body, or living, chamber is long, 1 1 / 8 volutions long.
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| 6. | First three or four volutions tightly coiled, elongate-fusiform, outer volutions greatly inflated.
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| 7. | First three or four volutions tightly coiled, elongate-fusiform, outer volutions greatly inflated.
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| 8. | "Haplopleuoceras " has a small, strongly ribbed, evolute shell of about 2 volutions.
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| 9. | The shell of " Maccoyoceras " is evolute, volutions only slightly impressed, whorl section hexagonal.
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| 10. | The proloculus is large, followed by seven to nine gradually enlarging volutions, coiled around a straight to irregular axis.
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