Species / Tylostoma Ovatum
Original description of Tylostoma ovatum by Sharpe, 1849:
Locus typicus: Sharpe mentions no locus typicus
Stratum typicum: Cretaceous
Localities: upper beds of the hippurite limestone on the west side of Lisbon; San Fagundo, 1½ league west of Coimbra; Sarjento-mór, 1½ league north of Coimbra; the cliffs of the Praia de Maçams near Cintra. All localities are in Portugal
Dimensions: Spire angle between 70° and 80°, rounded; sutural angle varying in different parts of the whorl from 100° and 130°; length 2 3/8 inches; breadth 2 inches in one direction, 1¾ inch in the other.
Tylostoma ovatum in Sharpe, 1849, pl. IX, fig. 7 and 8
Tylostoma ovatum Sharpe, 1849; Cretaceous; Portugal; 17 mm; Coll. Philippe Simonet