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Sinistrofulgur perversum, the lightning whelk, is a species of very large predatory sea snail or whelk, a marine gastropod mollusc in the family Busyconidae, the busycon whelks. This species has a left-handed or sinistral shell.
Architecturally, lighting whelk shells were incorporated into cups and ceramic vessels. Cups were specifically designed for the consumption of the “black drink”, central to ritualistic practices. Ceramic vessels often imitated lightning whelk cups and depicted the apical structures of natural shells.
The knobbed whelk, Busycon carica, is the second-largest species, growing up to 30 cm long. They have tubercles (spines) along the shoulder. They open clams with their muscular foot and insert their long proboscis to digest the flesh. The knobbed whelk is a common predator of the foreshore mudflats as far offshore as 50 m.
Many species of whelks, Buccinidae, including: Several different species of large whelks in the family Buccinidae on sale at a fish market in Japan. Channeled whelk; Lightning whelk; Knobbed whelk; Other sea snail groups: Bullacta exarata, a bubble snail; Amphibola crenata, an air-breathing mud snail; melo melo a volute snail; euspira heros a ...
The taxonomy of sinistral busyconids has been subject to several disputes, including at what rank to recognize them as distinct from their sister taxon, Busycon carica, and how many species are represented.
Whelks are any of several carnivorous sea snail species [1] with a swirling, tapered shell. Many are eaten by humans, such as the common whelk of the North Atlantic. Most whelks belong to the family Buccinidae and are known as "true whelks." Others, such as the dog whelk, belong to several sea snail families that are not closely related.
The main imitation (lightning whelks) mostly come from Florida and the Gulf of Mexico. This imitation is known as African Valampuri. Other than Busyconid species, few other species showing presence of folds in the cavity are wrongly mentioned as Dakshinavarti. These shells, though sinistral and possessing folds, are from other species.
Fulguropsis spirata, commonly known as pear whelk, is a species of sea snail, a marine gastropod mollusk in the family Busyconidae, the busycon whelks. The species is also occasionally referred to as the Gulf pear whelk to differentiate it from other Fulguropsis species which are also referred to as pear whelks.