Species / Pterocera Retusa
Pterocera retusa Eudes-Deslongchamps, 1843 Original Description of Pterocera retusa by Eudes-Deslongchamps, 1843:
Locus typicus: Ranville, Calvados Department,France Stratum typicum: "Great oolite", Bathonian, middle Jurassic Pterocera (?) retusa Eudes-Deslongchamps, 1843, pl. IX, fig. 14, 15 History and Synonymy 1866 Description of Alaria retusa (Eudes-Deslongchamps, 1843) by Piette, 1866:
Measurements: height of the fossil 33 mm; width last whorl 21 mm. Alaria retusa in Piette, 1866, pl. 15, fig. 10, 11, 12 and pl. 17, fig. 7, 8 Comments.
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