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The length of the shell varies between 15 mm and 22 mm. The solid shell is depressed and imperforate. The colour is yellowish or pinkish, radiately streaked with chestnut brown or red above, the base with a reddish or purple zone around the central callus, the outer part white, more or less
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Unlike other trochids this is primarily a filter feeder, secreting a chain of mucus on which particles are trapped and hauling it in periodically to ingest. It lives buried in the sand on exposed ocean beaches, sometimes washed up in large numbers after storms.
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striped radiately. The shining surface is smooth. The base of the shell shows under a lens very fine, close, regular spiral striae. Well-preserved specimens show red and emerald-green reflections through the thin layer overlying the nacre, like fiery opals.
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is concave above. The compressed periphery is encircled by two rather obscure carinae. The base of the shell is slightly convex, with a narrow spiral groove bounding a central area which is covered by a thin, radiately rugose, purple and white callus. The
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stated that he had no means of knowing which has priority, but was inclined to prefer
Hombron's to Adams', as it was accompanied by good figures. The title page of Philippi's monograph is 1853, but the actual date of issue is very uncertain.
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Cook, Steve De C., “New
Zealand Coastal Marine Invertebrates Vol 1”, Canterbury University Press, NZ 2010, ISBN 978-1877257-60-5
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is short, very thick and heavy. Its edge is pearly, inserted in a pad of white callus on the body and over the axis.
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The radiating stripes, compressed body whorl, and biangular periphery easily distinguished this shell.
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Originally four names were proposed for this shell and published at about the same time—in 1854.
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Tryon (1889), Manual of
Conchology XI, Academy of Natural Sciences, Philadelphia
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Hombr. & Jacq., Voy. au Pole Sud, Moll., p. 53, t. 14, f 5, 6, 1854.
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http://www.marinespecies.org/aphia.php?p=taxdetails&id=598232
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504:, Seven Seas Publishing Pty Ltd, Wellington, New Zealand 1979
490:, William Collins Publishers Ltd, Auckland, New Zealand 1979
408:, being most common on the east coast of Northland.
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458:(Hombron & Jacquinot, 1855). Accessed through:
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387:Drawing with an apertural view of the shell
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632:3d66aea1-486b-4a6f-b890-eee198d57a16
522:GenBank (7 nucleotides; 2 proteins)
400:This marine species is endemic to
348:are linear and not impressed. The
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502:New Zealand Shells and Shellfish
460:World Register of Marine Species
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269:(Hombron & Jacquinot, 1855)
209:(Hombron & Jacquinot, 1855)
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252:Hombron & Jacquinot, 1855
228:Hombron & Jacquinot, 1855
704:Gastropods described in 1855
361:and iridescent within. The
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344:has a conoidal shape. The
699:Gastropods of New Zealand
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64:Scientific classification
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325:George Washington Tryon
454:Rosenberg, G. (2012).
254:(original combination)
357:is rounded quadrate,
236:Philippi, 1853 ?
488:New Zealand Mollusca
258:Umbonium chalconutum
233:Globulus anguliferus
27:Species of gastropod
274:Umbonium zelandicum
241:Rotella neozelanica
541:Zethalia zelandica
456:Zethalia zelandica
320:, the top snails.
291:, common name the
288:Zethalia zelandica
266:Umbonium zelandica
203:Zethalia zelandica
57:Zethalia zelandica
36:Zethalia zelandica
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653:Open Tree of Life
533:Taxon identifiers
443:Ethalia zelandica
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249:Rotella zelandica
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225:Ethalia zelandica
185:Z. zelandica
16:(Redirected from
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591:iNaturalist
402:New Zealand
332:Description
293:wheel shell
157:Subfamily:
18:Wheel shell
688:Categories
412:References
350:body whorl
161:Umboniinae
141:Trochoidea
117:Subclass:
111:Gastropoda
363:columella
318:Trochidae
313:, in the
308:gastropod
301:sea snail
179:Species:
151:Trochidae
87:Kingdom:
81:Eukaryota
694:Zethalia
609:10846832
556:Q3741398
550:Wikidata
404:and the
359:nacreous
355:aperture
340:The low
216:Synonyms
172:Zethalia
147:Family:
131:Trochida
101:Mollusca
97:Phylum:
91:Animalia
77:Domain:
583:2292804
346:sutures
311:mollusk
297:species
295:, is a
167:Genus:
127:Order:
107:Class:
671:598232
658:737307
645:598232
629:NZOR:
622:702776
596:399208
508:
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315:family
305:marine
666:WoRMS
604:IRMNG
570:7GDTY
342:spire
53:shell
640:OBIS
617:NCBI
578:GBIF
506:ISBN
492:ISBN
303:, a
565:CoL
462:at
299:of
55:of
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486:,
429:^
51:A
445:)
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
