Argent, a lady fern frond vert, on a chief invected azure a whelk shell fesswise, opening to sinister, Or. Jennet Witteney of Little Cowarne (12/1983 East)
Argent, on a fess wavy azure, a whelk pierced by an arrow fesswise point to sinister argent. Líadan of Seahaven (3/2000 Caid)
Argent, two thistles proper and a whelk shell gules conjoined in pall. Namara Agafonika (5/1997 East)
Azure, a trident Or, surmounted by a nautilus shell argent, issuing from a base engrailed argent, thereon a bar engrailed and invected azure. [Nautilus pompilius] Hjalmar of Skiringsal (8/1979 Anst)
Azure, two bars wavy enhanced and in base a whelk argent. Líadan of Seahaven (11/1998 Caid)
Azure, two heron heads erased respectant and a whelk, on a chief wavy Or a fleur-de-lys azure. Isabelle de Sancerre (12/2001 Meri)
Barry wavy azure and argent, in pale an orca contourny proper and a conch shell fesswise reversed Or. Katherine la Juste de la Mer (4/1992 Caid)
Barry wavy gules and Or, on a pale endorsed azure in chief a whelk shell Or. Julian Gwyn of Glan Claer (8/1984 Caid)
(Fieldless) A cowrie shell fesswise argent. Amina of Songhay (3/2008 East)
(Fieldless) A nautilus shell argent. Atlantia, Kingdom of (4/1996 Atla)
(Fieldless) A whelk bendwise inverted argent banded gules. Dragon's Aerie, Canton of (9/1993 East)
(Fieldless) A whelk shell fesswise Or. Ian James of Silverlake (8/1988 West)
(Fieldless) A whelk shell palewise argent. Atlantia, Kingdom of (6/1998 Atla)
Gules, on a lozenge azure fimbriated a whelk within a bordure argent. [Busycon canalicuatum] Jane de Sealynn (3/1982 Caid)
Gyronny argent and azure, a whelk, bell in chief, Or. Tir-y-Don, Barony of (6/1988 Atla)
Or, a raven regardant sable perched on a whelk fesswise reversed azure and between in chief two crescents gules. Lughaid Cnuachd Dharaich mac Aonghuis Dhuibh (10/1995 Caid)
Or, on a pale gules a whelk inverted Or. Katherine de Lorraine (1/2000 Meri)
Per bend azure and Or, a fan and whelk shell counterchanged. Bronwyn Morgana MacPherson (1/1987 Anst)
Per bend sinister argent and azure, a scarpe between a Latin cross sable and a whelk shell palewise argent. Sarah Sedgemoor of Dunstanburgh (8/1979 Caid)
Per bend sinister argent and purpure, a bend sinister erminois between a chess rook azure and a conch shell fesswise argent, all within a bordure erminois. Muirgheal Cinnsealach (11/1987 Meri)
Per chevron purpure and barry wavy Or and azure, two clay pots and a whelk argent. Aasni Ragnhildsdotter (1/2008 Aten)
Per fess azure and vert, a fess wavy argent between a plate charged with a compass-star gules and an argonaut shell argent. Dimitri Mosheloff (11/1983 Caid)
Per fess counter-ermine and azure, two sea-lions respectant Or and a conch argent. Daimhín Mac Leóid (6/1995 Trim)
Per pale embattled sable and Or, a whelk shell Or and a bow, string to dexter, gules. Michelle of Polderslot (8/1997 Drac)
Per pale purpure and vert, on a pale Or a whelk sable. Joseph Canciller (7/2005 Aten)
Per pale vert and argent, a lion passant counterchanged, armed, langued and orbed gules and as an augmentation on a canton azure a whelk within a bordure Or. Denis of the Titans (5/2004 Aten)
Purpure, a bend sinister argent, overall a whelk inverted counterchanged. Theodosia Ouranos of Constantinople (8/1990 Meri)
Purpure, a chambered nautilus shell in cross section opening to dexter base Or, voided of the field. Paul the Barbarian (9/1973)
Quarterly sable and gules, on a sun Or a whelk shell gules within a bordure Or. Marcus René Sebastian Dubois (10/1994 AnTi)
(Tinctureless) A triton-shell trumpet bell in chief. Heralds' Seals: Triton Herald (8/1979 East)
Vert, a whelk within a bordure argent. Morwen ferch Owain ap Evan (9/1992 West)
Vert, scaly argent, a nautilus shell, opening to sinister chief, Or. Ia of the Sea (11/1990 Aten)