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Globular Drop Snail
Helicina orbiculata
7,163 observations
Decollate Snail
Rumina decollata
6,967 observations
Milk Snail
Otala lactea
5,872 observations
Asian Tramp Snail
Bradybaena similaris
4,075 observations
Asian Clam
Corbicula fluminea
3,047 observations
Black-velvet Leatherleaf
Belocaulus angustipes
2,092 observations
Prairie Rabdotus
Rabdotus mooreanus
1,856 observations
Eastern Oyster
Crassostrea virginica
1,347 observations
Giant Floater
Pyganodon grandis
1,139 observations
Texas Lightning Whelk
Sinistrofulgur pulleyi
1,075 observations
Island Apple Snail
Pomacea maculata
992 observations
Whitewashed Rabdotus
Rabdotus dealbatus
971 observations
Yellow Cellar Slug
Limacus flavus
970 observations
Texas Liptooth
Linisa texasiana
924 observations
Coquina
Donax variabilis
863 observations
Southern Flatcoil
Polygyra cereolus
845 observations
Texas Oval
Patera roemeri
818 observations
Giant Atlantic Cockle
Dinocardium robustum
791 observations
Channeled Duck Clam
Raeta plicatella
790 observations
Yellow Sandshell
Lampsilis teres
763 observations
Mapleleaf
Quadrula quadrula
744 observations
Angelwing
Cyrtopleura costata
740 observations
Garden Snail
Cornu aspersum
720 observations
White-lip Globe Snail
Mesodon thyroidus
663 observations
Sawtooth Pen Shell
Atrina serrata
605 observations
Ponderous Ark
Noetia ponderosa
588 observations
Paper Pondshell
Utterbackia imbecillis
520 observations
Lettered Olive
Oliva sayana
484 observations
Rosy Wolfsnail
Euglandina rosea
462 observations
Blood Ark
Lunarca ovalis
462 observations
Incongruous Ark
Anadara brasiliana
456 observations
Florida Cross-barred Venus
Chione elevata
431 observations
Striate Wolfsnail
Euglandina singleyana
428 observations
Zebra Mussel
Dreissena polymorpha
426 observations
Three-ridge Mussel
Amblema plicata
413 observations
Carolina Mantleslug
Philomycus carolinianus
347 observations
Atlantic Rangia
Rangia cuneata
336 observations
Shark Eye
Neverita duplicata
330 observations
Transverse Ark
Anadara transversa
312 observations
Tampico Pearly Mussel
Cyrtonaias tampicoensis
308 observations
Scotch Bonnet Snail
Semicassis granulata
301 observations
Fragile Papershell
Potamilus fragilis
285 observations
Common Sundial
Architectonica nobilis
283 observations
Atlantic Bay Scallop
Argopecten irradians
282 observations
Acute Bladder Snail
Physella acuta
278 observations
Texas lilliput
Toxolasma texasiense
276 observations
Red-rimmed Melania
Melanoides tuberculata
256 observations
Marsh Ramshorn
Planorbella trivolvis
245 observations
Pondhorn
Uniomerus tetralasmus
242 observations
Ghost Bulimulus
Bulimulus bonariensis
237 observations
Frequently Asked Questions
- The 10 most common molluscs in Texas are:
- Globular Drop Snail (Helicina orbiculata)
- Decollate Snail (Rumina decollata)
- Milk Snail (Otala lactea)
- Asian Tramp Snail (Bradybaena similaris)
- Asian Clam (Corbicula fluminea)
- Black-velvet Leatherleaf (Belocaulus angustipes)
- Prairie Rabdotus (Rabdotus mooreanus)
- Eastern Oyster (Crassostrea virginica)
- Giant Floater (Pyganodon grandis)
- Texas Lightning Whelk (Sinistrofulgur pulleyi)
- The most observed mollusc in Texas is Globular Drop Snail (Helicina orbiculata), with 7,163 recorded observations.