Species / Dimorphosoma Spathochila
Stromboidea
Original Description of Dimorphosoma spathochila by Gardner, 1875, p. 400:
- "Shell elongated, turreted, whorls with few very prominent oblique ribs, body-whorl with two keels; wing simple, at first constricted, then widening into a bladebone-shaped expansion; the channel in the wing is nearly straight, and forms an angle of 70° with the axis of the spire; the wing was probably twice the length of the specimen figured, and was pointed as usual in this group. Aperture narrow, anterior canal short, and connected with the wing by an expanded outer lip, with sinuous margin. The form of the canal and the connecting lip is similar to that in D. opeatochila, and is an unusual one in the group. Found with the species last described [Dimorphosoma opeatochila], and described from a single specimen."
Stratum typicum: Cast Bed of Gray Chalk = Middle Cenomanian, Acanthoceras rhotomagense zone, Turrilites costatus subzone
Dimorphosoma spathochila Gardner, 1875, pl. VII, fig. 10
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