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Molluscs › Nassa Mudsnails

Eastern Mudsnail

Ilyanassa obsoleta

5,826 observations in the source records

Wildlife study photograph from iNaturalist.
(c) bbull, some rights reserved (CC BY-NC)

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

Photos you add are credited to you, and you keep the copyright.

What the records say

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in New York.January 52, February 52, March 70, April 122, May 210, June 103, July 77, August 71, September 82, October 76, November 52, December 48.
United States5,369
New York999
California886
Canada803
Massachusetts800
New Jersey624
South Carolina325
Connecticut278
Delaware252
Nova Scotia250

Counts show where people looked, not only where it lives.

Traits

Physical

  • Shell-bearingProtected by a hard shellFrom its classification

Classification

KingdomAnimals · Animalia
PhylumMolluscs · Mollusca
ClassGastropods · Gastropoda
OrderNeogastropoda
FamilyNassa Mudsnails · Nassariidae
GenusIlyanassa

Sources

Remember the name next time.

Practise Eastern Mudsnail with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.