Adelphotectonica reevei

Adelphotectonica reevei is a species of sea snail, a marine gastropod mollusk in the family Architectonicidae, known as the staircase shells or sundials.^[1]

Adelphotectonica reevei
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia informal group Lower Heterobranchia
Superfamily:	Architectonicoidea
Family:	Architectonicidae
Genus:	Adelphotectonica
Species:	A. reevei
Binomial name
Adelphotectonica reevei (Hanley, 1862)
Synonyms[1]
Architectonica offlexa Iredale, 1931 Architectonica reevei (Hanley, 1862) Architectonica reevei venusta Kuroda in Kuroda, Habe & Oyama, 1971 Architectonica relata Iredale, 1936 Solarium reevei Hanley, 1862