Native SpeciesDog whelk

Nucella lapillus
NOT FOUND by manyeyes
2015-03-27
Cape Elizabeth
ID Confirmed
Quality checked by manyeyes herself
Peer reviewed by
Field Notes
The red winged black birds are back and trilling away from the trees. Time for a spring beach walk. The seaweed was amazing - so many different kids and colors - but I didn't pick any of it up. Instead I grabbed this super-sized shell and crab shell. I would appreciate some help with the IDs. Apologies for no site photo. Camera was not in pocket so I trucked these home to take photos.
Supporting Evidence
Photo of my evidence.
This shell has the same notch in the aperture as a dog whelk, but it is so so much bigger than the dog whelks I have seen in tide pools. What kind of carnivorous beast is this? Nucella of a larger sort?
Photo of my evidence.
Here's a look at the spiral shape and ridges.
Photo of my evidence.
Dog whelks are usually just an inch to an inch and a quarter long. This one is too big to be a dog whelk.
Species Observation: Species Looked For
Did you find it?: 
I think I did not find it
Scientific name:
Nucella lapillus
Common name:
Dog whelk
Sampling method: 
Just looking around
Photo of our sampling method.
Place Studied
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Map this species
Latitude: 
N 43.564457 °
Longitude: 
W -70.223321 °
Observation Site Information
A photo of our study site.
Habitat: 
Coastal - Beach or dune
Trip Information
Name:
Crescent sandy area between streams
Trip date: 
Fri, 2015-03-27 16:54
Town or city: 
Cape Elizabeth
Type of investigation: 
Species Survey
Ecosystem: 
Coastal
Watershed: 
Presumpscot
Time of low tide: 

Comments

Definitely too big to be a dog whelk! It could be a Buccinum undatum, also known as either a waved or common whelk!