Syntomodrillia ludbrookae
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| Syntomodrillia ludbrookae Temporal range: | |
|---|---|
 | |
| Holotype from Auckland War Memorial Museum | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Drilliidae |
| Genus: | Syntomodrillia |
| Species: | †S. ludbrookae |
| Binomial name | |
| †Syntomodrillia ludbrookae Powell, 1944 | |
Syntomodrillia ludbrookae is an extinct species of sea snail, a marine gastropod mollusc in the family Drilliidae.[1] Fossils of the species date to the middle Miocene, and have been found in the strata of the St Vincent Basin of South Australia.
In the original description, Powell described the species as follows:
Whorls very lightly convex, peripheral angle scarcely apparent, defined only by a slight thickening of the axials at about the middle. Axials narrow-crested, oblique, flexuous over body-whorl, fading out on middle of base, 15-16 per whorl. Anterior end with 5 distinct spiral threads.[2]
The holotype of the species measures 7 mm (0.28 in) in height and 2.7 mm (0.11 in) in diameter.[2] It has a similar appearance to Tylotiella falcicosta found in KwaZulu-Natal, South Africa, but has a slightly more narrow shell.[3]