Tugali superba

Tugali superba is an extinct species of sea snail, a marine gastropod mollusc, in the family Fissurellidae, the keyhole limpets and slit limpets. Fossils of the species date to the Late Pleistocene, and occur in the strata of Te Piki in the eastern Bay of Plenty, New Zealand.

Description

In the original description, Powell described the species as follows:
The holotype of the species measures in length, in width, and in height. The species can be identified due to its very depressed shape, very slight anterior narrowing, and due to having crisp ribbing and more open interstices.
The species has microscopic growth lines, spiral striae, and numerous, fine, subperipheral spirals, which were not noted by Powell. Powell felt that Tibersyrnola semiconcava was closely related to the species, but differs due to lower and broader whorl proportions in T. tepikiensis.

Taxonomy

The species was first described by A.W.B. Powell in 1934. The holotype was collected by Powell in August 1933 from east of Cape Runaway in the Bay of Plenty Region, and is held by the Auckland [War Memorial Museum].

Distribution

This extinct marine species dates to the Late Pleistocene, and is only known to occur in the strata of the Waipaoa Formation, in the eastern Bay of Plenty, New Zealand.