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The 2021 FMCS Checklist of 729 Freshwater Gastropods from Canada and the United States

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The 2021 FMCS Checklist of 729 Freshwater Gastropods from Canada and the United States The 2021 FMCS checklist of 729 freshwater gastropods from Canada and the United States. Column headings are taxon (binomen) and species author(s), and AFS common names (Classification Uncertain denotes uncertain taxonomic status under common names), Family names are followed by the number of genera and species (or monotypic). Species names denoted in BLUE LETTERS signify petition changes completed in 2019. Species names denoted in RED LETTERS signify petitioned changes completed in 2021. The goal of the FMCS Names Subcommittee is to improve science communication, provide up-to- date authoritative checklists and promote freshwater mollusk systematics research. Stakeholders are under no obligation to follow the taxonomic opinions expressed in this list. Species Author AFS Common Name Change Notes Family Acroloxidae 1 Genus 1 Species Acroloxus coloradensis (Henderson, 1930) Rocky Mountain Capshell Family Lymnaeidae 14 Genera 62 Species Acella haldemani (Binney, 1867) Spindle Lymnaea Bulimnaea megasoma (Say, 1824) Mammoth Lymnaea Erinna aulacospira (Ancey, 1899) Hawaiian Bugle Erinna newcombi H. Adams & A. Adams, 1855 Newcomb's Bugle Fisherola nuttalli (Haldeman, 1841) Shortface Lanx Galba alberta F.C. Baker, 1919 Alberta Fossaria Galba bulimoides (I. Lea, 1841) Prairie Fossaria Galba cockerelli (Pilsbry & Ferriss, 1906) Classification Uncertain Galba cubensis (L. Pfeiffer, 1839) Carib Fossaria Galba cyclostoma (Walker, 1908) Bugle Fossaria Galba dalli (F.C. Baker, 1907) Dusky Fossaria Galba exigua (I. Lea, 1841) Graceful Fossaria Galba galbana (Say, 1825) Boreal Fossaria Galba humilis (Say, 1822) Marsh Fossaria Galba modicella (Say, 1825) Rock Fossaria Galba obrussa (Say, 1825) Golden Fossaria Galba parva (I. Lea, 1841) Pygmy Fossaria Galba peninsulae (B. Walker, 1908) Classification Uncertain Galba perplexa (Baker & Henderson, 1929) Classification Uncertain Galba perpolita (Dall, 1905) Glossy Fossaria Galba rustica (I. Lea, 1841) Rusty Fossaria Galba sonomaensis (Hemphill, 1906) Sonoma Fossaria Galba tazewelliana (Wolf, 1870) Tazwell Fossaria Galba techella (Haldeman, 1867) Classification Uncertain Galba truncatula (O. F. Müller, 1774) Attenuate Fossaria Galba vancouverensis F.C. Baker, 1939 Classification Uncertain Species Author AFS Common Name Change Notes Placed into Hinkleyia Jan. 2020 by M. Vinarski. FMCS petition G-2021-01. Hinkleyia caperata (Say, 1829) Wrinkled Marshsnail Placed into Hinkleyia Jan. 2020 by M. Vinarski. FMCS petition G-2021-01. Hinkleyia pilsbryi (Hemphill, 1890) Fish Springs Marshsnail Formal description of Banbury Springs Limpet, Campbell et al. ZooKeys 2017 663:107-132. FMCS petition G-2019-5. Idaholanx fresti Clark, Campbell & Lydeard, 2017 Banbury Springs Limpet Placed in Ladislavella FMCS petition G-2021-02. Ladislavella atkaensis (Dall, 1884) Frigid Lymnaea Taxon mistakenly excluded from Johnson et al. 2013. Placed in Ladislavella FMCS petition G-2021- Ladislavilla eloides (Say, 1821) 02. Placed in Ladislavella FMCS petition G-2021-02. Ladislavella apicina (I. Lea, 1838) Abbreviate Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella arctica (I. Lea, 1864) Arctic Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella bonnevillensis (Call, 1884) Fat-Whorled Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella catascopium (Say, 1817) Woodland Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella contracta (Currier in DeCamp, 1881) Deepwater Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella elodes (Say, 1821) Marsh Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella elrodi (F.C. Baker & Henderson, 1933) Flathead Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella elrodiana (F.C. Baker, 1935) Longmouth Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella emarginata (Say, 1821) St. Lawrence Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella exilis (I. Lea, 1834) Flat-Whorled Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella gabbi (Tryon, 1865) Striate Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella hinkleyi (F.C. Baker, 1906) Rustic Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella idahoensis (Henderson, 1931) Shortspire Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella kennicotti (F.C. Baker, 1933) Western Arctic Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella mighelsi (Binney, 1865) Bigmouth Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella neopalustris (F.C. Baker, 1911) Piedmont Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella oronoensis (F.C. Baker, 1904) Obese Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella petoskeyesis (B. Walker, 1908) Petosky Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella traskii (Tryon, 1863) Widelip Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella utahensis (Call, 1884) Thickshell Pondsnail Placed in Ladislavella FMCS petition G-2021-02. Ladislavella woodruffi (F.C. Baker, 1901) Coldwater Pondsnail Lanx alta (Tryon, 1865) Highcap Lanx Lanx klamathensis Hannibal, 1912 Scale Lanx Lanx patelloides (Lea, 1856) Kneecap Lanx Lanx subrotunda (Tryon, 1865) Rotund Lanx Species Author AFS Common Name Change Notes Taxon erroneously excluded from Johnson et al. 2013. Accidental deletion. Lymnaea stagnalis (Linnaeus, 1758) Swamp Lymnaea Placed in Pseudisidora FMCS peptition G-2021-03 Pseudisdora producta (Mighels, 1845) Classification Uncertain Placed in Pseudisidora FMCS peptition G-2021-03 Pseudisidora rubella (Lea, 1841) Aloha Lymnea Pseudosuccinea columella (Say, 1817) Mimic Lymnaea Stagnicola walkeriana (F.C. Baker, 1926) Calabash Pondsnail Placed in Walterigalbia FMCS petition G-2021-04. Walterigalba montanensis (F.C. Baker, 1913) Mountain Marshsnail Family Physidae 3 Genera 45 Species Aplexa elongata (Say, 1821) Lance Aplexa Aplexa microstriata (Chamberlin & Berry, 1930) Fish Lake Aplexa Physa jennessi Dall, 1919 Obtuse Physa Molluscabase and Lydeard & Cummings 2019 and reassignment of Laurentiphysa to Physa, FMCS Physa chippuvarum (Taylor, 2003) Chippewa Physa Petition G-2019-6. Physa megalochlamys Taylor, 1988 Cloaked Physa Physa sibirica (Westerlund, 1876) Frigid Physa Physa skinneri Taylor, 1954 Glass Physa Physa vernalis (Taylor & Jokinen, 1984) Vernal Physa Returned to list from analyses by Lydeard, Campbell, and Gotz, 2016. Malacologia. 59(2):347- 350. FMCS petition G-2019-12. Physella mexicata (Philippi in Kuster, 1841) and Physella virgata Gould 1855 and Physella winnipegensis were synonymized with Physella acuta, Petition Physella acuta (Draparnaud, 1805) Wandering Physa Gastropod 2021-8. Physella ancillaria (Say, 1825) Pumpkin Physa Archiphysai Taylor, 2003 synonomized with Physella by Wethington and Lydeard 2007, as revised by Vinarski 2018. FMCS Petition G-2019-01. Physella ashmuni (Taylor, 2003) San Rafael Physa Petition tabled but adopted in 2021. Physella bermudezi (Aguayo, 1935) Lowdome Physa Physella bottimeri (Clench, 1924) Comanche Physa Physella boucardi (Crosse & Fischer, 1881) Desert Physa Physella carolinae Wethington, Dillon, Wise, 2009 Carolina Physa Physella columbiana (Hemphill, 1890) Rotund Physa Physella conoidea (Fischer & Crosse, 1886) Texas Physa Physella cooperi (Tryon, 1865) Olive Physa Species Author AFS Common Name Change Notes Physella costata (Newcomb, 1861) Ornate Physa Physella cubensis Pfeiffer, 1839 Carib Physa Physella globosa (Haldeman, 1842) Globose Physa Physella gyrina (Say, 1821) Tadpole Physa Physella hemphilli Taylor, 2003 Idaho Physa Physella hendersoni (Clench, 1925) Bayou Physa Physella heterostropha (Say, 1817) Pewter Physa Physella hordacea (I. Lea, 1864) Grain Physa Physella humerosa (Gould, 1855) Corkscrew Physa Physella integra (Haldeman, 1841) Ashy Physa Physella johnsoni (Clench, 1926) Banff Springs Physa Physella lordi (Baird, 1863) Twisted Physa Physella magnalacustris (Walker, 1901) Great Lakes Physa Placed in Physella Gates et al., 2013. Physella natricina (Taylor, 1988) Snake River Physa Physella osculans (Haldeman, 1841) Cayuse Physa Physella parkeri (Currier in DeCamp, 1881) Broadshoulder Physa Physella pomilia (Conrad, 1834) Claiborne Physa Physella propinqua (Tryon, 1865) Rocky Mountain Physa Physella spelunca (Turner & Clench, 1974) Cave Physa Physella squalida (Morelet, 1851) Squalid Physa ArchiphysaTaylor, 2003 synonomized with Physella by Wethington and Lydeard 2007, as revised by Vinarski 2018. FMCS Petition G-2019-01. Petition Physella sonomae (Taylor, 2003) Sonoma Physa tabled but adopted in 2021. Physella traskii (I. Lea, 1864) Sculpted Physa Physella utahensis (Clench, 1925) Utah Physa Physella vinosa (Gould, 1847) Banded Physa Physella virginea (Gould, 1847) Sunset Physa Physella wrighti Te & Clarke, 1985 Hotwater Physa Physella zionis (Pilsbry, 1926) Wet-rock Physa Family Planorbidae 17 Genera 53 Species Amphigyra alabamensis Pilsbry, 1906 Shoal Sprite Taxon reviewed Petition Gastropod 2021-10 Armiger crista (Linnaeus, 1758) Star Gyro Biomphalaria havanensis (Pfeiffer, 1839) Ghost Ramshorn Micomenetus placed in Dilatata. Petition Gastropod 2019-09. Petition tabled but adopted for Dilatata Dilatata brogniartiana (Lea, 1842) Disc Sprite 2021. Species Author AFS Common Name Change Notes Petition Gastropod 2019-09. Dilatata dilatata (Gould, 1841) Bugle Sprite Dilatata floridensis (Baker, 1945) Penny Sprite Petition Gastropod
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