Syntomodrillia waiauensis
| Syntomodrillia waiauensis 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. waiauensis
|
| Binomial name | |
| †Syntomodrillia waiauensis Powell, 1942
| |
Syntomodrillia waiauensis 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 at Clifden, Southland, New Zealand.
Description
The species has a small fusiform shell, and a spire that is marginally taller than the aperture and canal combined. The shell has 6.5 whorls, including a protoconch of two whorls which are globular and smooth.[2] The holotype of the species measures 5.5 mm (0.22 in) in height and 2.3 mm (0.091 in) in diameter.[2]
Taxonomy
The species was first described by A.W.B. Powell in 1942.[2] The holotype was collected from the Slip Point Siltstone near Clifden, Southland, New Zealand at an unknown date prior to 1942. It is held by the Auckland War Memorial Museum.[3][4]
Distribution
This extinct marine species dates to the middle Miocene (Clifdenian), and occurs in the strata of the Slip Point Siltstone in Clifden, Southland, New Zealand.[3]
References
- ^ a b Syntomodrillia waiauensis A. W. B. Powell, 1942 †. 13 November 2025. Retrieved through: World Register of Marine Species.
- ^ a b c Powell, A. W. B. (1942). "The New Zealand recent and fossil Mollusca of the family Turridae, with general notes on Turrid nomenclature and systematics". Bulletin of the Auckland Institute and Museum. 2: 105. ISSN 0067-0456. OCLC 1826451. Wikidata Q115110377.
- ^ a b Blom, Wilma M. (2025). "Annotated Catalogue of Fossil and Extant Molluscan Types in the Auckland War Memorial Museum". Bulletin of the Auckland Museum. 22. doi:10.32912/BULLETIN/22. ISSN 1176-3213. OCLC 1550165130. Wikidata Q135397912.
- ^ "Syntomodrillia waiauensis". Collections Online. Auckland War Memorial Museum. Retrieved 13 November 2025.
Further reading
- Maxwell, P. A. (2009). "Cenozoic Mollusca". In Gordon, D. P. (ed.). New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Christchurch: Canterbury University Press. pp. 232–254. ISBN 978-1877257728.