Biology:Powellisetia bilirata
| Powellisetia bilirata | |
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_(AM_MA71265).jpg)
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| Holotype of Powellisetia bilirata from Auckland War Memorial Museum | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Rissoidae |
| Genus: | Powellisetia |
| Species: | P. bilirata
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| Binomial name | |
| Powellisetia bilirata (Ponder, 1965)
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Powellisetia bilirata is a species of marine gastropod mollusc in the family Rissoidae.[1] First described by Winston Ponder in 1965, it is endemic to the waters of New Zealand.
Description
Powellisetia bilirata has a minute shell, with four whorls angled by a strongle spiral chord. The species is pale yellow-brown in colour, with a reddish-brown protoconch.[2] The species measures 1.05mm, by 0.68mm.[3]
Distribution
The species is endemic to New Zealand.[1] The holotype was collected by K. Hipkins on 9 April 1955 from shell sand at McGregors Bay, Whangārei Heads, Northland Region.[4] It is found in to the north-east of the North Island, as far north as Manawatāwhi / Three Kings Islands,[5][3] and has been found neat the volcanic Whakaari / White Island.[6]
References
- ↑ 1.0 1.1 "Powellisetia bilirata Ponder, 1965". MolluscaBase. World Register of Marine Species. 2022. http://www.marinespecies.org/aphia.php?p=taxdetails&id=598585.
- ↑ , Wikidata Q58676804
- ↑ 3.0 3.1 "Powellisetia bilirata". http://www.mollusca.co.nz/speciesdetail.php?taxa=2962.
- ↑ Blom, Wilma (2022). "Fossil and Recent molluscan types in the Auckland War Memorial Museum. Part 4: Gastropoda (Caenogastropoda – Neocyclotidae to Epitoniidae). [Cyclophoroidea, Cerithioidea, Littorinimorpha"]. Records of the Auckland Museum 56 (55): 39–62. doi:10.32912/ram.2020.55.7. ISSN 2422-8567. https://www.aucklandmuseum.com/getmedia/3c274c3f-ff0c-4aa3-8467-bb5ae02261d6/ram_2020_blom. Retrieved 20 October 2022.
- ↑ "marine snail, Powellisetia bilirata Ponder, 1965". Te Papa. https://collections.tepapa.govt.nz/object/1387839.
- ↑ "marine snail, Powellisetia bilirata Ponder, 1965". Te Papa. https://collections.tepapa.govt.nz/object/1610059.
Wikidata ☰ Q10638263 entry
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