37:
294:
227:
consists of low oblique wrinkles tracing the lines of growth, alongside minute, very short cuticular threads adhering in some areas. The base of the shell displays dense but not highly distinct spiral striations. The peripheral filaments are sparse and short. With approximately 6½ whorls, the shell
289:
Pilsbry, H. A. & Hirase, Y. (1905). Catalogue of the land and fresh-water
Mollusca of Taiwan (Formosa), with descriptions of new species. Proceedings of the Academy of Natural Sciences of Philadelphia. 57: 720-752.
223:
The shell boasts a prominently open umbilicus, with a regularly conical shape. It appears low conoid above and convex beneath. The shell exhibits a rather thin, pale, and translucent brown hue. The
240:
is very oblique, with a narrowly expanded outer lip. The basal margin is narrowly reflexed and deeply arcuate, while the columellar margin is dilated. A very thin parietal
370:
429:
275:
MolluscaBase eds. (2024). MolluscaBase. Aegista impexa (Pilsbry & Hirase, 1905). Accessed through: World
Register of Marine Species at:
36:
434:
325:
131:
276:
220:
The diameter of the shell attains 26.7 mm (1.05 in), its height 10 mm (0.39 in).
314:
224:
237:
199:
153:
31:
396:
357:
401:
424:
241:
229:
88:
236:
is acutely carinated, with the base forming an angular contour around the umbilicus. The
418:
298:
288:
362:
348:
383:
233:
209:
195:
98:
78:
205:
202:
48:
342:
68:
375:
191:
108:
388:
253:
58:
319:
277:
https://www.marinespecies.org/aphia.php?p=taxdetails&id=1363384
297:
This article incorporates text from this source, which is in the
323:
332:
8:
315:Catalogue of life in Taiwan: Aegista impexa
320:
20:
271:
269:
265:
232:convex and later ones nearly flat. The
7:
244:completes the interior adornment.
14:
292:
35:
228:gradually widens, with earlier
1:
163:Aegista (Plectotropis) impexa
430:Gastropods described in 1905
172:Eulota (Plectotropis) impexa
168:· alternative representation
166:(Pilsbry & Hirase, 1905)
147:(Pilsbry & Hirase, 1905)
451:
175:Pilsbry & Hirase, 1905
159:
152:
137:
130:
32:Scientific classification
30:
23:
252:This species occurs in
177:(original combination)
16:Species of gastropod
412:
411:
397:Open Tree of Life
326:Taxon identifiers
194:of air-breathing
183:
182:
176:
167:
442:
405:
404:
392:
391:
379:
378:
366:
365:
353:
352:
351:
321:
302:
296:
295:
286:
280:
273:
174:
165:
143:
40:
39:
21:
450:
449:
445:
444:
443:
441:
440:
439:
435:Fauna of Taiwan
415:
414:
413:
408:
400:
395:
387:
382:
374:
369:
361:
356:
347:
346:
341:
328:
311:
306:
305:
293:
287:
283:
274:
267:
262:
250:
218:
148:
145:
139:
126:
89:Stylommatophora
34:
17:
12:
11:
5:
448:
446:
438:
437:
432:
427:
417:
416:
410:
409:
407:
406:
393:
380:
367:
354:
338:
336:
334:Aegista impexa
330:
329:
324:
318:
317:
310:
309:External links
307:
304:
303:
281:
264:
263:
261:
258:
249:
246:
217:
214:
208:in the family
187:Aegista impexa
181:
180:
179:
178:
169:
157:
156:
150:
149:
146:
141:Aegista impexa
135:
134:
128:
127:
123:A. impexa
120:
118:
114:
113:
106:
102:
101:
96:
92:
91:
86:
82:
81:
76:
72:
71:
66:
62:
61:
56:
52:
51:
46:
42:
41:
28:
27:
25:Aegista impexa
15:
13:
10:
9:
6:
4:
3:
2:
447:
436:
433:
431:
428:
426:
423:
422:
420:
403:
398:
394:
390:
385:
381:
377:
372:
368:
364:
359:
355:
350:
344:
340:
339:
337:
335:
331:
327:
322:
316:
313:
312:
308:
300:
299:public domain
291:
285:
282:
279:on 2024-05-16
278:
272:
270:
266:
259:
257:
255:
247:
245:
243:
239:
235:
231:
226:
221:
215:
213:
211:
207:
204:
201:
197:
193:
189:
188:
173:
170:
164:
161:
160:
158:
155:
151:
144:
142:
136:
133:
132:Binomial name
129:
125:
124:
119:
116:
115:
112:
111:
107:
104:
103:
100:
97:
94:
93:
90:
87:
84:
83:
80:
77:
74:
73:
70:
67:
64:
63:
60:
57:
54:
53:
50:
47:
44:
43:
38:
33:
29:
26:
22:
19:
333:
290:Philadelphia
284:
251:
248:Distribution
222:
219:
186:
185:
184:
171:
162:
140:
138:
122:
121:
109:
24:
18:
384:iNaturalist
216:Description
200:terrestrial
196:land snails
419:Categories
260:References
234:body whorl
210:Camaenidae
99:Camaenidae
79:Gastropoda
349:Q18230086
225:sculpture
206:gastropod
203:pulmonate
117:Species:
55:Kingdom:
49:Eukaryota
343:Wikidata
238:aperture
154:Synonyms
95:Family:
69:Mollusca
65:Phylum:
59:Animalia
45:Domain:
425:Aegista
402:2879762
376:6125142
192:species
110:Aegista
105:Genus:
85:Order:
75:Class:
389:342320
254:Taiwan
242:callus
230:whorls
363:7PV8R
190:is a
371:GBIF
198:, a
358:CoL
421::
399::
386::
373::
360::
345::
268:^
256:.
212:.
301:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
