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spirals cross remainder of the base, the lowest often obsolete. The axials begin at same time as the spirals and are narrow, sharp, and distant, the interstices variable but about two to three times their width. The axials number about 18 on the body whorl, very soon dying out below fifth spiral, so that remaining basal spirals are much less crenulated than the others. Points of intersection on higher spirals slightly raised into elongated and rather sharp tubercles.
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regularly and gently rounded. There are four thin spirals per whorl, the interstices many times their width. The spirals are equidistant, but show a wider concave space between the first one and suture above. Another strong spiral emerges on the base from the suture-line, and 4 weaker but similar
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MolluscaBase eds. (2024). MolluscaBase. Alvania pukeuriensis (H. J. Finlay, 1924) †. Accessed through: World
Register of Marine Species at:
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273:(Original description) The shell is moderately large for the genus, elongated, clathrately sculptured, rather thin, and imperforate.
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projects prominently as a sharp edge, producing a shallow umbilical chink, surrounded by a very blunt and low basal carina.
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Fossils of this marine species were found in
Tertiary strata in the Lower Waihao Basin, South Canterbury, New Zealand
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H.J. Finlay (1924), New
Zealand Tertiary Rissoids., Transactions of the New Zealand Institute. 55: 480-494
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shows a sharp edge but is considerably thickened just previously by a strong varix. The arcuate
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https://www.marinespecies.org/aphia.php?p=taxdetails&id=832777
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This article incorporates text from this source, which is in the
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The length of this species attains 2.5 mm, its diameter 1.2 mm.
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280:consists of 2 smooth and shining lowly-convex
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288:number nearly 4. They are convex, the
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300:measures about twice height of the
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206:Alvania (Linemera) pukeuriensis
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495:Gastropods described in 1924
312:slightly oblique. The inner
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500:Gastropods of New Zealand
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50:Scientific classification
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211:alternate representation
216:Linemera pukeuriensis
386:Alvania pukeuriensis
230:Alvania pukeuriensis
209:(H. J. Finlay, 1924)
189:(H. J. Finlay, 1924)
183:Alvania pukeuriensis
162:A. pukeuriensis
42:Alvania pukeuriensis
25:Alvania pukeuriensis
16:Species of gastropod
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449:Open Tree of Life
378:Taxon identifiers
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107:Caenogastropoda
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253:micromollusk
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219:Finlay, 1924
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266:Description
44:(holotype)
484:Categories
401:Q124536848
328:References
290:body whorl
286:teleoconch
278:protoconch
237:of minute
127:Rissooidea
103:Subclass:
97:Gastropoda
310:columella
260:Rissoidae
246:gastropod
239:sea snail
155:Species:
137:Rissoidae
73:Kingdom:
67:Eukaryota
40:Shell of
428:45388865
395:Wikidata
302:aperture
196:Synonyms
133:Family:
87:Mollusca
83:Phylum:
77:Animalia
63:Domain:
490:Alvania
454:5720928
441:7388583
255:in the
249:mollusc
235:species
180:†
159:†
148:Alvania
143:Genus:
113:Order:
93:Class:
467:832777
282:whorls
257:family
243:marine
462:WoRMS
298:spire
436:GBIF
415:CBP4
296:The
276:The
241:, a
423:EoL
410:CoL
314:lip
306:lip
251:or
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214:†
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