Buccinidae
![](/Images/godic/202501/02/Penion_cuvieranus_cuvieranus1335.JPG")
![Egg cases of the common whelk (Buccinum undatum)](/Images/godic/202501/02/Egg_cases_-_Common_Whelk_-_geograph.org.uk_-_17791181335.jpg")
![Egg cases of the knobbed whelk (Busycon carica), from Delaware Bay](/Images/godic/202501/02/Whelk_egg_case1335.JPG")
![Buccinum undatum on a stamp from the Faroe Islands](/Images/godic/202501/02/Faroe_stamp_412_common_northern_welk1335.jpg")
The Buccinidae are a very large and diverse taxonomic family of large sea snails, often known as whelks or true whelks.
True whelks are mostly marine (with some genera freshwater) gastropod mollusks in the clade Neogastropoda. The family includes more than 1500 species.