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is slightly concave. It has an almost imperceptible posterior fold, but the anterior portion is nearly smooth. The axial cavity is small and smooth. The color of the shell is white, buff with pink or oblique brownish purple stripes or spots. The flat base of the shell is white with interrupted pink,
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consists of five to six low spiral threads, the lower and upper margins much elevated, especially the former. They are crossed by broad nodulous radiate ribs, which, however, do not extend over the lower half of the whorl. These ribs are often obsolete. The suture is superficial, with a nodulous
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is regularly conical, and consists of about two whorls. These are not marked off from the succeeding whorl. This one is, smooth, with two or three spiral red bands. The last two whorls increase rapidly in size. They are flat to slightly convex above, concave below before reaching the strong and
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The length of the shell varies between eight mm and 10 mm. The small shell has a conical shape, the sides are straight or slightly convex.. The angle of the
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Suter H. (1913-1915), Manual of New
Zealand Mollusca; Wellington, N. Z. :J. Mackay, govt. printer,1913-1915
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are flat with an elevated upper edge, and, together with the base, spirally striated. The pointed
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443:"WoRMS - World Register of Marine Species - Coelotrochus chathamensis (F. W. Hutton, 1873)"
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A review of the Recent
Trochini of New Zealand (Mollusca: Gastropoda: Trochidae).
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Tryon (1889), Manual of
Conchology XI, Academy of Natural Sciences, Philadelphia
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border below. The false umbilicus is narrow and not very deep. The oblique
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prominent cingulum. The body whorl has a distinct peripheric keel.
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are a little convex, forming a sharp angle where they meet.
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467:"Taxonomy browser (Coelotrochus chathamensis)"
8:
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31:
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231:Coelotrochus chathamensis dunedinensis
276:Thoristella chathamensis dunedinensis
223:Coelotrochus chathamensis aucklandica
7:
18:Thoristella chathamensis aucklandica
389:is rhomboidal. The outer and basal
409:This marine species is endemic to
239:Coelotrochus chathamensis profunda
25:
268:Thoristella chathamensis cookiana
535:Molluscan Research 19(1): 73-106
356:, the top snails or top shells.
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300:Trochus chathamensis benthicola
519:William Collins Publishers Ltd
368:is 70°. The five, rarely six,
1:
521:, Auckland, New Zealand 1979
311:Trochus opressus dunedinensis
732:Gastropods described in 1873
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727:Gastropods of New Zealand
553:Coelotrochus chathamensis
417:, Southern North Island,
328:Coelotrochus chathamensis
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189:Coelotrochus chathamensis
185:
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60:Scientific classification
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53:Coelotrochus chathamensis
50:
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36:Coelotrochus chathamensis
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260:Thoristella chathamensis
215:Calliostoma aucklandicum
401:subequal spiral lines.
247:Polydonta chathamensis
51:Drawing of a shell of
447:www.marinespecies.org
531:Marshall B.A. 1998.
515:New Zealand Mollusca
471:www.ncbi.nlm.nih.gov
292:Trochus chathamensis
287:Powell, A.W.B., 1934
284:Thoristella cookiana
171:C. chathamensis
27:Species of gastropod
226:(E.A. Smith, 1902)
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668:Open Tree of Life
545:Taxon identifiers
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413:and occurs the
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722:Coelotrochus
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474:. Retrieved
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450:. Retrieved
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405:Distribution
396:The oblique
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158:Coelotrochus
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681:SeaLifeBase
616:iNaturalist
411:New Zealand
360:Description
716:Categories
476:2022-07-13
452:2022-07-13
429:References
374:protoconch
242:Dell, 1956
137:Trochoidea
113:Subclass:
107:Gastropoda
398:columella
382:sculpture
354:Trochidae
344:gastropod
337:sea snail
335:of small
165:Species:
147:Trochidae
83:Kingdom:
77:Eukaryota
634:11811672
568:Q3141152
562:Wikidata
421:and the
387:aperture
254:basionym
206:Synonyms
143:Family:
127:Trochida
97:Mollusca
93:Phylum:
87:Animalia
73:Domain:
673:7502461
608:6787780
595:4798242
349:in the
347:mollusc
333:species
199:, 1873)
153:Genus:
123:Order:
103:Class:
699:598199
686:153042
660:598199
647:702773
621:790175
525:
370:whorls
351:family
341:marine
317:, 1897
306:, 1927
304:Finlay
197:Hutton
694:WoRMS
629:IRMNG
366:spire
331:is a
315:Suter
655:OBIS
642:NCBI
603:GBIF
582:WTTQ
523:ISBN
380:The
339:, a
590:EoL
577:CoL
391:lip
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
