Naticopsis ? sp. 4

(Fig. 20J)

Material. One specimen: ESKU-19- LP 52.

Dimensions (mm): ESKU-19- LP 52: height = 6.0; width = 8.0; apical angle = 126 º; apertural height = 4.2; apertural width = 5.2.

Remarks. The present specimen is low-spired with the spire only somewhat protruding, consisting of three smooth rapidly increasing whorls. The body-whorl is very inflated, the height of the last whorl is about 90% of the total shell height. The aperture is broad with a thick inductura and seems to develop a columellar fold which has never been observed in Naticopsis . However, the preservation of the aperture is insufficient to be sure that a fold is really present.