This is a list of official state shells for those states of the United States that have chosen to select one as part of their state insignia.[1] In 1965, North Carolina was the first state to designate an official state shell, the Scotch bonnet. Since then, 14 other states have designated an official state shell.
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These are seashells, the shells of various marine mollusks including both gastropod and bivalves. Each one was chosen to represent a maritime state, based on the fact that the species occurs in that state and was considered suitable to represent the state, either because of the species' commercial importance as a local seafood item, or because of its beauty, rarity, exceptional size, or other features.
State | Shell | Image | Year designated |
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Alabama | Johnstone's junonia Scaphella junonia ssp. johnstoneae | ![]() | 1990[2] |
Connecticut | Eastern oyster Crassostrea virginica | ![]() | 1989 |
Delaware | Channeled whelk Busycotypus canaliculatus | ![]() | 2014[3] |
Florida | Horse conch Triplofusus papillosus | ![]() | 1969[4] |
Georgia | Knobbed whelk Busycon carica | ![]() | 1987[5] |
Massachusetts | New England Neptune Neptunea lyrata ssp. decemcostata | ![]() | 1987[6] |
Mississippi | Eastern oyster Crassostrea virginica | ![]() | 1974[7] |
New Jersey | Knobbed whelk Busycon carica ssp. gmelin | ![]() | 1995[8] |
New York | Bay scallop Argopecten irradians | ![]() | 1988[9] |
North Carolina | Scotch bonnet Semicassis granulata | ![]() | 1965[10] |
Oregon | Oregon hairy triton Fusitriton oregonensis | ![]() | 1989[11] |
Rhode Island | Quahaug Mercenaria mercenaria | ![]() | 1987[12] |
South Carolina | Lettered olive Oliva sayana | ![]() | 1984[13] |
Texas | Lightning whelk Sinistrofulgur perversum ssp. pulleyi | ![]() | 1987[14] |
Virginia | Eastern oyster Crassostrea virginica | ![]() | 1974[15] |
U.S. state symbols by state | |
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