1. The elevated riblets are densely crenate and the interstices canaliculate . 2. The conoid spire is canaliculated , composed of six operculum is thin. 3. Leaves are canaliculate ( grooved lengthwise ), and up to 7 cm long. 4. It is canaliculate , with a wide umbilicus. 5. Petiole is 0.5-1.0 cm long, canaliculate and glabrous. 6. The leafblades may be hairy or glabrous, canaliculate and marked with maroon spots and bars on the abaxial surface. 7. Other specimens are of a uniform color, have the whorls strongly canaliculated , and the longitudinal folds more approximate. 8. They narrow to canaliculate ( with a small channel or groove ) brownish-marked haft, or short claw. 9. Walls are of cemented agglutinated material and have cavities created by micro-tubules, i . e . are canaliculate . 10. Leaves are simple, alternate, distichous; petioles are 0.6-1.1 cm long and canaliculate .
