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274:. The surface is slightly shining, the incrassate growth striae overlaid on the last whorls by whitish, low, axial costulae, which are partly forked and do not always cover the whole whorl, but may end in between the sutures or shell base. Upper whorls are with fine, interrupted spiral threads.
306:
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has 6.8 whorls and dimensions of the holotype are as follows: The width of the shell is 8.7 mm. The height of the shell is 18.0 mm. The width of the aperture is 4.5 mm. The height of the aperture is 7.3 mm. The height of the last whorl is 11.3 mm.
289:
The shell has 6.6-7.1 whorls. The width of the shell is 8.0-9.2 mm. The height of the shell is 16.9-18.9 mm. The width of the aperture is 4–5 mm. The height of the aperture is 6.6-8.2 mm. The height of the last whorl is 9.2-11.9 mm.
269:
The shell up to 18.9 mm in height, two times as long as wide, narrowly perforate, elongate, with hardly convex sides and fragile. Colour is whitish on a translucent background, the upper whorls are becoming gradually tawny-brown towards the
286:
is elongate-subovate, 1.61 times as long as wide, 0.40 times the total height. Peristome is thin and simple. Columellar margin is nearly straight, very narrowly dilated above.
458:
Breure A. S. H. & Mogollón Avila V. (2010). "Well-known and little-known: miscellaneous notes on
Peruvian Orthalicidae (Gastropoda, Stylommatophora)".
278:
is with wrinkles, mostly broken into granules and crossed by finely incised spiral lines. The shell has 6.8 whorls, that are hardly convex. The
362:
548:
229:
351:(Cousin, 1887) from which it differs by (1) being smaller, (2) slightly more slender and (3) lacking the tawny-brown spiral bands.
371:(Philippi, 1867) from which it differs by (1) being stouter, (2) the brownish upper whorls and (3) the simple peristome.
365:. It differs by being (1) smaller, (2) stouter, and (3) having a larger aperture. Finally, it may be compared to
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There is a morphological resemblance between the species mentioned above and some
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Haas, 1949, both in general shell shape and - superficially - also in protoconch
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is characterized by the whitish lines on the thin, translucent
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This article incorporates CC-BY-3.0 text from the reference
394:
of these two genera in this region warrant further study.
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220:and means "fragile", it refers to the thin shell.
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361:(Cousin, 1887), also described from southern
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380:species occurring in the same region, e.g.
327:showing fine, interrupted spiral lines and
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168:Breure & Mogollón Avila, 2010
239:, 03°40’53’S 080°26’10’W, 25 m,
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1:
549:Gastropods described in 2010
282:is slightly impressed. The
258:, the tawny-brownish upper
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323:Photo of upper whorls of
309:Paratype of the shell of
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53:Scientific classification
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461:Zoologische Mededelingen
390:. The relationships and
47:. Shell height 18.0 mm.
313:. Shell height 17.4 mm.
383:Bulimulus inconspicuus
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345:is closely allied to
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235:The type locality is
237:Quebrada Santa Maria
16:Species of gastropod
368:Bostryx delicatulus
358:Bostryx alausiensis
355:further resembles
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262:and the prominent
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484:Taxon identifiers
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492:Bostryx fragilis
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353:Bostryx fragilis
343:Bostryx fragilis
325:Bostryx fragilis
311:Thaumastus flori
301:
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252:Bostryx fragilis
211:specific epithet
177:Bostryx fragilis
164:
162:Bostryx fragilis
144:B. fragilis
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45:Bostryx fragilis
43:of the shell of
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25:Bostryx fragilis
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110:Stylommatophora
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392:phylogeography
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218:Latin language
202:in the family
188:air-breathing
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348:Bostryx juana
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241:Tumbes Region
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153:Binomial name
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224:Distribution
216:is from the
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24:
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544:Bulimulidae
247:Description
204:Bulimulidae
120:Bulimulidae
538:Categories
398:References
329:protoconch
276:Protoconch
264:last whorl
190:land snail
100:Gastropoda
388:sculpture
377:Bulimulus
332:sculpture
197:gastropod
194:pulmonate
138:Species:
76:Kingdom:
70:Eukaryota
521:19697044
507:Q4948309
501:Wikidata
295:holotype
284:aperture
243:, Peru.
214:fragilis
186:tropical
116:Family:
90:Mollusca
86:Phylum:
80:Animalia
66:Domain:
41:Holotype
363:Ecuador
200:mollusk
182:species
131:Bostryx
126:Genus:
106:Order:
96:Class:
280:suture
260:whorls
256:shell
180:is a
293:The
272:apex
230:Peru
209:The
192:, a
184:of
516:EoL
469:HTM
540::
518::
503::
467:.
465:84
409:^
266:.
206:.
471:.
334:.
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