Yes, this type of shell piles up in long rows at the wrack line here on Long Island, sometimes one or two feet deep. Do you find them as far north as Newfoundland?
That’s quite a pile of shells – does this tend to happen more in fall and winter? We’ve had huge piles of kelp and other seaweeds wash up lately with windstorms but they have annual cycles anyway – they’ll start all over again next year.
I don’t believe these piles of shells vary much seasonally. As you probably recall, there used to be similar piles of eelgrass on our beaches but that has changed dramatically as the climate has warmed.
JOHN TODARO PHOTOGRAPHY 
wow that is all shells
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Yes, this type of shell piles up in long rows at the wrack line here on Long Island, sometimes one or two feet deep. Do you find them as far north as Newfoundland?
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I don’t believe I have ever seen anything like that
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Interesting! I have wondered how far north they’re found. They’re abundant on bay shores here; hardly a rarity. 😊
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That’s quite a pile of shells – does this tend to happen more in fall and winter? We’ve had huge piles of kelp and other seaweeds wash up lately with windstorms but they have annual cycles anyway – they’ll start all over again next year.
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I don’t believe these piles of shells vary much seasonally. As you probably recall, there used to be similar piles of eelgrass on our beaches but that has changed dramatically as the climate has warmed.
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I just found this interesting report about how this snail is spreading.
https://www.cabi.org/isc/datasheet/108234#tosummaryOfInvasiveness
I remember it from the Georgia sea islands and the east coast. I’ve seen only a few over here.
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We actually were reading about that earlier today. I had no idea that it was such an invasive elsewhere.
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I knew nothing about that and never saw that website before – it’s a good resource.
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Yes it is– thanks!
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