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Harmer F. W. (1920-1925). The
Pliocene Mollusca of Great Britain, being supplementary to S.V. Wood's monograph of the Crag Mollusca. Vol. 2. Monographs of the Palaeontographical Society. 72(344): 485-652, pl. 45-52 (part 1, December 1920); 73(346): 653-704, pl. 53-56 (part 2, July 1921); 75(352):
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is rather tumid and much the largest. The shell is ornamented by numerous fine longitudinal ribs which die out at the periphery, and by delicate spiral lines which become somewhat stronger below it. The suture is distinct and slightly channelled, with a spiral line immediately above it. The
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MolluscaBase eds. (2024). MolluscaBase. Alvania erecta Harmer, 1920 †. Accessed through: World
Register of Marine Species at:
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is gently rounded, incurved above and not much expanded. The inner lip is somewhat reflected. The peristome is continuous.
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The length of the shell is 2 mm (0.079 in), and its diameter is 1 mm (0.039 in).
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705-856, pl. 57-64 (part 3, December 1923); 76(354): i-xiv, 857-900, pl. 65 (part 4, January 1925)
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244:(Original description) The minute shell is ovate-conical. It contains 6 convex
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is short, regularly diminishing in size towards an acute point. The oval
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https://www.marinespecies.org/aphia.php?p=taxdetails&id=1027568
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This article incorporates text from this source, which is in the
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273:Fossils of this species were found in late
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500:Cenozoic gastropods of Europe
485:Gastropods described in 1920
281:, Cornwall, Great Britain.
261:is rather small. The outer
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50:Scientific classification
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394:Open Tree of Life
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237:Description
44:(holotype)
479:Categories
359:Q106107967
285:References
277:strata at
250:body whorl
208:of minute
127:Rissooidea
103:Subclass:
97:Gastropoda
432:Rissoidae
231:Rissoidae
217:gastropod
210:sea snail
155:Species:
137:Rissoidae
73:Kingdom:
67:Eukaryota
40:Shell of
353:Wikidata
279:St. Erth
275:Pliocene
259:aperture
133:Family:
87:Mollusca
83:Phylum:
77:Animalia
63:Domain:
490:Alvania
412:1027568
399:7947629
386:9288884
226:in the
220:mollusc
206:species
180:†
159:†
148:Alvania
143:Genus:
113:Order:
93:Class:
248:. The
246:whorls
228:family
214:marine
192:, 1920
190:Harmer
430:This
407:WoRMS
255:spire
436:stub
381:GBIF
373:CBFP
212:, a
368:CoL
263:lip
222:or
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467:e
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