# Tulotoma
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> Source: https://en.wikipedia.org/wiki/Tulotoma
> Source revision: 1315231854
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{{Short description|Genus of gastropods}}
{{Speciesbox
| image = Tulotoma magnifica 2.jpg
| image_caption = A live ''Tulotoma magnifica'' on a mud [substrate](/source/substrate_(biology))
| status = EN
| status_system = IUCN2.3
| status_ref = [{{cite iucn |author=Bogan, A.E. (Mollusc Specialist Group) |year=2000 |title=''Tulotoma magnifica'' |article-number=e.T22444A9373341 |doi=10.2305/IUCN.UK.2000.RLTS.T22444A9373341.en}}]
| status2 = G2
| status2_system = TNC
| status2_ref = [{{Cite NatureServe | date = 1 August 2025 | id = 2.118474 | title=''Tulotoma magnifica'' | access-date = 4 September 2025}}]
| genus = Tulotoma
| parent_authority = [Haldeman](/source/Samuel_Stehman_Haldeman), 1840[[Haldeman S. S.](/source/Samuel_Stehman_Haldeman) (1840). ''A monograph of the freshwater univalve mollusca of the United States, including notices of species in other parts of North America'' '''1'''(2): [https://archive.org/stream/monographoffresh00haldrich#page/34/mode/2up 34]-36. [https://archive.org/stream/monographoffresh00haldrich#page/n302/mode/1up Plate 11].]
| species = magnifica
| authority = ([Conrad](/source/Timothy_Abbott_Conrad), 1834)[[Conrad T. A.](/source/Timothy_Abbott_Conrad) (1834). ''New fresh water shells of the United States : with coloured illustrations, and a monograph of the genus Anculotus of Say: also a synopsis of the American Naiades''. Philadelphia. [https://archive.org/stream/newfreshwatershe00conr#page/48/mode/2up Page 48-49]. [https://archive.org/stream/newfreshwatershe00conr#page/n104/mode/1up Plate 8], figure 4.]
| synonyms =
''Paludina magnifica'' Conrad, 1834
}}
'''''Tulotoma magnifica''''', [common name](/source/common_name) the '''Alabama live-bearing snail''' or '''tulotoma''', is an [endangered](/source/Endangered_species) species of large [freshwater snail](/source/freshwater_snail), an aquatic [gastropod](/source/gastropod) [mollusk](/source/mollusk) in the family [Viviparidae](/source/Viviparidae).
== Taxonomy ==
'''''Tulotoma''''' is a [monotypic](/source/monotypic) genus, in other words, this is the only species in the genus.
==Distribution==
This species is [endemic](/source/Endemism) to the [Coosa River](/source/Coosa_River)-[Alabama River](/source/Alabama_River) system in [Alabama](/source/Alabama), [United States](/source/United_States).
== Description ==
The [shell](/source/gastropod_shell) of this species is large, solid, thick and imperforate. The shape of the shell is obtusely conic. The [spire](/source/spire_(mollusc)) is elevated. The [whorls](/source/Whorl_(mollusc)) are flattened, nodulous and carinated. The peristome is thin and continuous.[Walker B. (1918). "A synopsis of the classification of the freshwater Mollusca of North America, north of Mexico, and a catalogue of the more recently described species, with notes". ''Miscellaneous Publications'' '''6''': 214 pp., 1 plate, 233 figures. [https://archive.org/stream/synopsisofclassi00walk#page/26/mode/2up page 26].] The shell can grow fairly large, to more than {{cvt|25|mm}} in height.{{cn|date=September 2025}} The [operculum](/source/operculum_(gastropod)) is concentric, subtriangular, with the inner margin reflected and forming an elevated marginal fold.