• Thumbnail for Valvatidae
    Valvatidae, the valve snails, is a taxonomic family of very small freshwater snails with an operculum, aquatic gastropod mollusks. The family Valvatidae...
    3 KB (284 words) - 00:45, 20 December 2023
  • Thumbnail for Freshwater snail
    Marginellidae are marine. Lower Heterobranchia Glacidorbidae - 20 species. Valvatidae - small low-spired snails referred to as "valve snails". 71 species. Acochlidiacea...
    22 KB (2,032 words) - 15:31, 25 September 2024
  • Thumbnail for Lake Baikal
    Benedictiinae (part of the Lithoglyphidae), and the families Planorbidae and Valvatidae. All endemics have been recorded between 20 and 30 m (66 and 98 ft), but...
    79 KB (8,900 words) - 12:30, 24 November 2024
  • Megalovalvata baicalensis (category Valvatidae)
    freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. This species occurs in lake Baikal in depths from 3...
    2 KB (142 words) - 13:35, 4 January 2024
  • Thumbnail for IUCN Red List endangered species (Animalia)
    On 19 August 2018, the IUCN Red List of Threatened Species identified 4584 endangered species, subspecies, stocks and subpopulations. Diporochaeta pounamu...
    169 KB (9,530 words) - 17:52, 12 November 2024
  • Thumbnail for Valvata piscinalis
    Valvata piscinalis (category Valvatidae)
    with gills and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. It is also known as Cincinna piscinalis (Müller, 1774)...
    18 KB (2,021 words) - 12:23, 20 May 2024
  • Thumbnail for Valvata
    Valvata (category Valvatidae)
    freshwater snails with an operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails. Cincinna Hübner, 1810 · accepted, alternate representation...
    15 KB (1,244 words) - 20:25, 18 November 2024
  • agate". Urocoptidae Holospira H. sp. An undescribed urocoptid land snail. Valvatidae Valvata †V. subumbilicata (Meek & Hayden, 1856) Lake Gosiute (Laney, Tipton...
    263 KB (7,868 words) - 17:56, 25 November 2024
  • Baetidae, Sialidae, Piscicolidae 4 Snails, Cockles, Leeches, Hog louse Valvatidae, Hydrobiidae, Lymnaeidae, Physidae, Planorbidae, Sphaeriidae, Glossiphoniidae...
    5 KB (450 words) - 05:14, 24 April 2023
  • Borysthenia (category Valvatidae)
    freshwater snails with an operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails. The aperture of Borysthenia is not circular. Animals...
    2 KB (144 words) - 22:50, 1 March 2021
  • Thumbnail for Utah roundmouth snail
    Utah roundmouth snail (category Valvatidae)
    with a gill and an operculum, an aquatic gastropod mollusc in the family Valvatidae, the valve snails. This species of snail is endemic to the United States...
    17 KB (1,890 words) - 12:29, 20 May 2024
  • In August 2018, the IUCN Red List of Threatened Species identified 6086 Vulnerable species, subspecies and varieties, stocks and sub-populations in the...
    212 KB (12,280 words) - 01:50, 23 September 2024
  • (Melaniidae, Littorinidae, Fossaridae, Rissoidae, Hydrobiidae, Paludinidae e Valvatidae). Torino: Carlo Clausen. 51 pp., 1 p Glibert, M. (1962). Les Mesogastropoda...
    2 KB (196 words) - 04:20, 9 February 2024
  • Thumbnail for Valvata macrostoma
    Valvata macrostoma (category Valvatidae)
    freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. This species occurs in the following countries and...
    3 KB (242 words) - 20:36, 11 June 2024
  • species of freshwater snail Valvata montenegrina Glöer & Pešić, 2008 (Valvatidae, Gastropoda). Pešić works in the Department of Biology at the University...
    4 KB (217 words) - 04:32, 28 May 2024
  • Thumbnail for Lower Heterobranchia
    Valvata piscinalis, family Valvatidae, superfamily Valvatoidea....
    5 KB (430 words) - 17:12, 20 November 2021
  • Valvata humeralis (category Valvatidae)
    Valvata humeralis is a species of gastropod belonging to the family Valvatidae. The species is found in North America. The species inhabits freshwater...
    959 bytes (55 words) - 20:11, 16 January 2024
  • Thumbnail for Valvata bicarinata
    Valvata bicarinata (category Valvatidae)
    operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. http://www.cofc.edu/~fwgna/species/valvatidae/v_bicarinata.html v t e...
    810 bytes (45 words) - 15:10, 7 April 2024
  • Thumbnail for Valvata cristata
    Valvata cristata (category Valvatidae)
    operculum, an aquatic gastropod mollusk or micromollusk in the family Valvatidae, the valve snails. Czech Republic - Bohemia and Moravia Slovakia Poland...
    4 KB (314 words) - 12:24, 20 May 2024
  • Borysthenia goldfussiana (category Valvatidae)
    with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. Wüst, E.: Untersuchungen über das Pliozän und das Älteste...
    1 KB (59 words) - 00:32, 2 March 2021
  • Thumbnail for Alvania transiens
    (Melaniidae, Littorinidae, Fossaridae, Rissoidae, Hydrobiidae, Paludinidae e Valvatidae). Torino: Carlo Clausen. 51 pp., 1 pl Cossmann, M.; Peyrot, A. (1918-1919)...
    3 KB (248 words) - 19:39, 15 February 2024
  • Thumbnail for Valvata virens
    Valvata virens (category Valvatidae)
    Valvata virens is a species of freshwater snail in the family Valvatidae. It is known by the common name emerald valvata. This species is endemic to California...
    2 KB (113 words) - 12:30, 20 May 2024
  • Thumbnail for Valvata lewisi
    Valvata lewisi (category Valvatidae)
    with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. This species lives in North America. Cordeiro, J.;...
    1 KB (72 words) - 12:25, 20 May 2024
  • Borysthenia naticina (category Valvatidae)
    with a gill and an operculum, an aquatic gastropod mollusc in the family Valvatidae, the valve snails. This species occurs in the Pontic and Baltic regions...
    3 KB (209 words) - 12:34, 26 October 2021
  • Thumbnail for Valvata sincera
    Valvata sincera (category Valvatidae)
    with a gill and an operculum, an aquatic gastropod mollusc in the family Valvatidae, the valve snails. Cordeiro, J.; Perez, K. (2011). "Valvata sincera"....
    2 KB (106 words) - 20:43, 3 July 2024
  • As of 19 August 2018, the IUCN Red List of Threatened Species has identified 3,005 critically endangered species, subspecies, stocks and subpopulations...
    125 KB (6,567 words) - 02:48, 18 August 2024
  • They include land and freshwater gastropods and freshwater bivalves. Valvatidae Valvata antiqua Morris, 1838 Valvata brevicula Kozhov, 1936 Valvata confusa...
    4 KB (231 words) - 12:01, 23 February 2024
  • Thumbnail for Valvatoidea
    gastropod mollusks in the informal group Lower Heterobranchia. Family Valvatidae Family Cornirostridae Family Hyalogyrinidae † Family Provalvatidae MolluscaBase...
    1 KB (75 words) - 07:24, 25 April 2021
  • Thumbnail for Valvata oregonensis
    Valvata oregonensis (category Valvatidae)
    with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. Taylor (1966) stated that Valvata oregonensis is a...
    4 KB (388 words) - 12:27, 20 May 2024
  • (Melaniidae, Littorinidae, Fossaridae, Rissoidae, Hydrobiidae, Paludinidae e Valvatidae). Torino: Carlo Clausen. pp. 1–51. Cossmann, M. (1921). Essais de paléoconchologie...
    3 KB (167 words) - 14:31, 6 July 2024