434:
95:
70:
324:
is small, somewhat elongated, variable, turreted and imperforate. The shell has 4½-5½ whorls, that are strongly unicarinate on periphery, otherwise smooth. The epidermis is shining, light straw in color or whitish. The suture is white. The suture is deeply and regularly impressed, made conspicuous by
395:
339:
is very oblique, roundly ovate, with an angle on outer edge corresponding to the excavated carina, posteriorly sharply angled, well rounded before. The peritreme is continuous, almost rimate, closely appressed to parietal wall.
694:
377:
42:
359:
668:
707:
800:
815:
772:
712:
242:
220:
810:
94:
634:
462:. This species had a limited distribution, occurring only, so far as present information goes, in North-western
562:
423:
597:
566:
471:
381:
344:
283:
200:
582:
329:
539:
805:
777:
655:
467:
427:
578:
376:
59:
738:
394:
41:
518:
336:
229:
89:
764:
433:
699:
358:
746:
642:
751:
513:
275:
725:
363:
321:
259:
156:
146:
287:
17:
794:
720:
574:
504:
495:
459:
79:
647:
571:
On
Pyrgulopsis, a new genus of rissoid mollusk, with description of two new forms
759:
733:
681:
308:
297:
176:
166:
620:
136:
74:
290:
106:
614:
455:
348:
126:
673:
293:
271:
268:
686:
629:
463:
438:
419:
116:
591:
474:. Living forms have been collected only in the last-named locality.
432:
393:
375:
357:
279:
660:
595:
482:
This article incorporates public domain text from reference.
575:
Proceeding
Davenport Academy of Natural Sciences, volume V.
604:
8:
519:10.2305/IUCN.UK.2000.RLTS.T40048A10311237.en
542:R. E. C. 1883. Proc. Phila. Acad. Nat. Sci.
351:, spiral and closely fitting the aperture.
592:
558:
556:
554:
552:
550:
548:
398:Drawing of apertural view of the shell of
68:
40:
31:
517:
49:Drawing of lateral view of the shell of
486:
328:There existed also smooth variation. (
7:
505:IUCN Red List of Threatened Species
25:
494:Mollusc Specialist Group (2000).
362:Drawing of apertural view of the
306:is the type species of the genus
93:
415:Jaw is thin and membranaceous.
1:
801:IUCN Red List extinct species
816:Gastropods described in 1883
27:Extinct species of gastropod
832:
325:the approximating carina.
235:
228:
206:
199:
90:Scientific classification
88:
66:
57:
48:
39:
34:
418:Detailed description of
424:Charles Emerson Beecher
635:pyrgulopsis-nevadensis
606:Pyrgulopsis nevadensis
498:Pyrgulopsis nevadensis
446:
443:Pyrgulopsis nevadensis
403:
400:Pyrgulopsis nevadensis
389:
386:Pyrgulopsis nevadensis
371:
368:Pyrgulopsis nevadensis
304:Pyrgulopsis nevadensis
264:Pyrgulopsis nevadensis
213:Pyrgulopsis nevadensis
51:Pyrgulopsis nevadensis
18:Pyrgulopsis nevadensis
512:: e.T40048A10311237.
436:
397:
379:
361:
330:plate II, figure 6-8.
60:Conservation status
811:Extinct gastropods
447:
404:
390:
372:
239:Pyrgula nevadensis
192:P. nevadensis
788:
787:
747:Open Tree of Life
598:Taxon identifiers
408:
407:
316:Shell description
252:
251:
246:
83:
16:(Redirected from
823:
781:
780:
768:
767:
755:
754:
742:
741:
729:
728:
716:
715:
703:
702:
690:
689:
677:
676:
664:
663:
651:
650:
638:
637:
625:
624:
623:
593:
586:
560:
543:
537:
531:
530:
528:
526:
521:
491:
422:was provided by
354:
353:
276:freshwater snail
241:
215:
211:
98:
97:
77:
72:
71:
44:
32:
21:
831:
830:
826:
825:
824:
822:
821:
820:
791:
790:
789:
784:
776:
771:
763:
758:
750:
745:
737:
732:
724:
719:
711:
706:
698:
693:
685:
680:
672:
667:
659:
654:
646:
641:
633:
628:
619:
618:
613:
600:
590:
589:
585:, figures 1-10.
561:
546:
538:
534:
524:
522:
493:
492:
488:
480:
452:
413:
318:
260:scientific name
224:
217:
209:
208:
195:
157:Littorinimorpha
147:Caenogastropoda
92:
84:
73:
69:
62:
28:
23:
22:
15:
12:
11:
5:
829:
827:
819:
818:
813:
808:
803:
793:
792:
786:
785:
783:
782:
769:
756:
743:
730:
717:
704:
691:
678:
665:
652:
639:
626:
610:
608:
602:
601:
596:
588:
587:
544:
532:
485:
484:
479:
476:
451:
448:
412:
409:
406:
405:
391:
373:
317:
314:
296:in the family
250:
249:
248:
247:
233:
232:
226:
225:
218:
204:
203:
197:
196:
188:
186:
182:
181:
174:
170:
169:
164:
160:
159:
154:
150:
149:
144:
140:
139:
134:
130:
129:
124:
120:
119:
114:
110:
109:
104:
100:
99:
86:
85:
67:
64:
63:
58:
55:
54:
46:
45:
37:
36:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
828:
817:
814:
812:
809:
807:
804:
802:
799:
798:
796:
779:
774:
770:
766:
761:
757:
753:
748:
744:
740:
735:
731:
727:
722:
718:
714:
709:
705:
701:
696:
692:
688:
683:
679:
675:
670:
666:
662:
657:
653:
649:
644:
640:
636:
631:
627:
622:
616:
612:
611:
609:
607:
603:
599:
594:
584:
580:
576:
572:
568:
567:Pilsbry H. A.
564:
559:
557:
555:
553:
551:
549:
545:
541:
536:
533:
520:
515:
511:
507:
506:
501:
499:
490:
487:
483:
477:
475:
473:
469:
465:
461:
460:United States
457:
449:
444:
440:
435:
431:
429:
425:
421:
416:
410:
401:
396:
392:
387:
383:
378:
374:
369:
365:
360:
356:
355:
352:
350:
346:
341:
338:
333:
331:
326:
323:
315:
313:
311:
310:
305:
301:
299:
295:
292:
289:
285:
281:
277:
273:
270:
266:
265:
261:
257:
244:
240:
237:
236:
234:
231:
227:
222:
216:
214:
205:
202:
201:Binomial name
198:
194:
193:
187:
184:
183:
180:
179:
175:
172:
171:
168:
165:
162:
161:
158:
155:
152:
151:
148:
145:
142:
141:
138:
135:
132:
131:
128:
125:
122:
121:
118:
115:
112:
111:
108:
105:
102:
101:
96:
91:
87:
81:
76:
65:
61:
56:
52:
47:
43:
38:
33:
30:
19:
605:
570:
535:
523:. Retrieved
509:
503:
497:
489:
481:
472:Pyramid Lake
453:
450:Distribution
442:
417:
414:
399:
385:
367:
342:
334:
327:
319:
307:
303:
302:
263:
262:
255:
253:
238:
212:
207:
191:
190:
177:
50:
35:Corded purg
29:
806:Pyrgulopsis
760:SeaLifeBase
734:NatureServe
682:iNaturalist
525:16 November
468:Walker Lake
437:Drawing of
380:Drawing of
309:Pyrgulopsis
298:Hydrobiidae
256:corded purg
178:Pyrgulopsis
167:Hydrobiidae
795:Categories
563:Call R. E.
478:References
428:page 11-12
143:Subclass:
137:Gastropoda
583:Plate II.
426:in 1886 (
382:operculum
347:is light
345:operculum
291:gastropod
284:operculum
185:Species:
113:Kingdom:
107:Eukaryota
739:2.111824
700:10596111
621:Q3139113
615:Wikidata
349:corneous
337:aperture
267:, is an
230:Synonyms
163:Family:
127:Mollusca
123:Phylum:
117:Animalia
103:Domain:
80:IUCN 2.3
752:2892655
674:2300004
577:, page
540:Stearns
458:to the
456:endemic
454:It was
411:Anatomy
294:mollusk
288:aquatic
282:and an
278:with a
272:species
269:extinct
243:Stearns
223:, 1883)
221:Stearns
210:†
189:†
173:Genus:
153:Order:
133:Class:
78: (
75:Extinct
778:741084
687:111432
661:405072
630:ARKive
569:1886.
565:&
464:Nevada
439:radula
420:radula
245:, 1883
773:WoRMS
726:40048
713:70660
695:IRMNG
648:4QTY2
581:-14.
466:, in
364:shell
322:shell
286:, an
765:2816
721:IUCN
708:ITIS
669:GBIF
527:2021
510:2000
470:and
343:The
335:The
320:The
280:gill
254:The
656:EoL
643:CoL
514:doi
441:of
430:).
384:of
366:of
274:of
797::
775::
762::
749::
736::
723::
710::
697::
684::
671::
658::
645::
632::
617::
573:.
547:^
508:.
502:.
332:)
312:.
300:.
258:,
53:.
579:9
529:.
516::
500:"
496:"
445:.
402:.
388:.
370:.
219:(
82:)
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
