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Gastropoda - Cassidae

Semicassis was named by Mörch (1852) [Sepkoski's age data: K Maes R Sepkoski's reference number: 614]. It is extant. Its type is Cassis bisulcata.

It was reranked as Cassidea (Semicassis) by Cossmann (1903); it was reranked as Cassis (Semicassis) by Dey (1961); it was reranked as Phalium (Semicassis) by Ladd (1977), Squires (1984), Squires and Advocate (1986), Squires (1987), Squires (1999), Harzhauser (2002) and Garvie (2013).

It was assigned to Cassidea by Cossmann (1903); to Cassis by Dey (1961); to Cassididae by Mukerjee (1939), Gardner (1947), MacNeil (1960), Abbass (1967) and Marasti (1973); to Cassidae by Frassinetti and Covacevich (1999), Todd (2001) and Wienrich (2001); to Neotaenioglossa by Sepkoski (2002); to Phaliinae by Wilson (1993) and Beu (2005); and to Phalium by Ladd (1977), Squires (1984), Squires and Advocate (1986), Squires (1987), Squires (1999), Harzhauser (2002) and Garvie (2013).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1852Semicassis Mörch
1888Faurotis Jousseaume p. 188
1903Cassidea (Semicassis) Cossmann p. 128
1927Xenophalium Iredale p. 333
1927Xenogalea Iredale p. 339
1928Tylocassis Woodring
1939Semicassis Mukerjee p. 50
1947Semicassis Gardner p. 536
1947Semicassis (Tylocassis) Gardner p. 536
1960Semicassis MacNeil p. 58
1961Cassis (Semicassis) Dey
1967Semicassis Abbass p. 82
1973Semicassis Marasti p. 89
1973Semicassis (Tylocassis) Marasti p. 89
1977Phalium (Semicassis) Ladd p. 32
1983Phalium (Tylocassis) Vokes and Vokes p. 22
1984Phalium (Semicassis) Squires p. 27
1986Phalium (Semicassis) Squires and Advocate p. 858
1987Phalium (Semicassis) Squires p. 40
1993Semicassis Wilson p. 233
1999Semicassis Frassinetti and Covacevich p. 48
1999Phalium (Semicassis) Squires p. 19
2001Semicassis Todd
2001Semicassis (Tylocassis) Todd
2001Semicassis Wienrich p. 436
2002Phalium (Semicassis) Harzhauser p. 91
2002Semicassis Sepkoski, Jr.
2002Tylocassis Sepkoski, Jr.
2002Xenogalea Sepkoski, Jr.
2002Xenophalium Sepkoski, Jr.
2005Semicassis Beu p. 50
2013Phalium (Semicassis) Garvie p. 142

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EubilateriaAx 1987
classGastropodaCuvier 1797
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
superfamilyTonnoidea(Suter 1913)
familyCassidaeLatreille 1825
subfamilyPhaliinaeBeu 1981
genusSemicassisMörch 1852

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

No diagnoses are available