1 | Add to Reading ListSource URL: www.fwgna.orgLanguage: English - Date: 2016-06-01 10:43:06
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2![Plate 3. Apertural views of assorted North American freshwater gastropods. Top Row (L-R): Planorbella trivolvis, USNM[removed], Joliet, Illinois; Viviparus subpurpureus, ANSP[removed], Wabash River, Indiana; Vorticifex effus](https://www.pdfsearch.io/img/024dba40dd971ef57a4bd1a9854e021f.jpg "Plate 3. Apertural views of assorted North American freshwater gastropods. Top Row (L-R): Planorbella trivolvis, USNM[removed], Joliet, Illinois; Viviparus subpurpureus, ANSP[removed], Wabash River, Indiana; Vorticifex effus") | Add to Reading ListSource URL: fl.biology.usgs.govLanguage: English - Date: 2013-02-04 07:15:31
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3![Plate 4. Apertural views of North American freshwater gastropods considered extinct. Top Row (L-R): Stagnicola utahensis, ANSP[removed], Lifton Bear Lake, Idaho; Pomatiopsis hinkleyi, ANSP 68449, Tennessee River, Alabama;](https://www.pdfsearch.io/img/b186595ed13236d6779ef45b893b9ea9.jpg "Plate 4. Apertural views of North American freshwater gastropods considered extinct. Top Row (L-R): Stagnicola utahensis, ANSP[removed], Lifton Bear Lake, Idaho; Pomatiopsis hinkleyi, ANSP 68449, Tennessee River, Alabama;") | Add to Reading ListSource URL: fl.biology.usgs.govLanguage: English - Date: 2013-02-04 07:15:53
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4![Plate 1. Apertural views of assorted North American freshwater gastropods. Top Row (L-R): Acella haldemani, USNM[removed], Fishtrap Lake, Wisconsin; Lioplax pilsbryi, USNM[removed], Chipola River, Florida; Juga plicifera, US](https://www.pdfsearch.io/img/a3f9669d368e6ffa7cab0b2f370068e1.jpg "Plate 1. Apertural views of assorted North American freshwater gastropods. Top Row (L-R): Acella haldemani, USNM[removed], Fishtrap Lake, Wisconsin; Lioplax pilsbryi, USNM[removed], Chipola River, Florida; Juga plicifera, US") | Add to Reading ListSource URL: fl.biology.usgs.govLanguage: English - Date: 2013-02-04 07:14:48
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