- Swainson, 1840 †
Sulcobuccinum d'Orbigny, 1850 †
Sulcoliva Vermeij, 1998 †
Testallium Vermeij & DeVries, 1997
Triumphis Gray, 1857 (now ****igned to Pisaniidae)...
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Terrapene †Terrapene
carolina †Terrebrifusus †Terrebrifusus
amoenus †
Testallium †
Testallium vetustum Thracia †Thracia
vicksburgensis †Thracia vicksburgiana...
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Formation are
Miltha vidali,
Acanthina katzi,
Olivancillaria claneophila,
Testallium cepa,
Ficus distans, Eucr****atella ponderosa,
Glycymeris ibariformis and...