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Semicassis

Gastropoda - Cassidae

Taxonomy
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

Synonyms
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
2002Tylocassis Sepkoski
2002Xenogalea Sepkoski
2002Xenophalium Sepkoski
2005Semicassis Beu p. 50
2013Phalium (Semicassis) Garvie p. 142

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
Sorbeoconcha(Ponder and Lindberg 1997)
Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
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.

G. Semicassis Mörch 1852
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Subg. Semicassis (Antephalium) Iredale 1924
Subg. Semicassis (Semicassis) Mörch 1852
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Semicassis aldrichi Dall 1890
Semicassis angasi Iredale 1927
Semicassis bisulcata Schubert and Wagner 1829
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Invalid names: Cassis (Semicassis) quilonensis Dey 1961 [synonym], Cassis japonica Reeve 1848 [synonym], Phalium (Semicassis) dalrymplei Cox 1948 [synonym], Semicassis pila Martin 1899 [synonym]
Semicassis centiquadrata Valenciennes 1832
Semicassis deneseplicata Martin 1916
Semicassis faurotis Jousseaume 1888
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Invalid names: Phalium (Tylocassis) inflata Shaw 1811 [synonym], Phalium alligator Petuch 1991 [synonym], Phalium loxahatcheensis Petuch 1994 [synonym], Semicassis (Tylocassis) inflata waltonensis Mansfield 1935 [synonym]
Semicassis harpaeformis Lamarck 1803
Semicassis labiata Perry 1811
Semicassis monilifera Sowerby 1846
Semicassis oligocalantica Vredenburg 1925
Semicassis ovulum Ortmann 1900
Semicassis pyrum Lamarck 1822
Semicassis pyshtensis Addicott 1976
Semicassis reclusa Guppy 1873
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Invalid names: Cassis (Phalium) moniliferum Guppy 1866 [synonym]
Semicassis sculpta Sowerby 1839
Semicassis senni Rustch 1934
Invalid names: Faurotis Jousseaume 1888 [synonym], Tylocassis Woodring 1928 [synonym], Xenogalea Iredale 1927 [synonym], Xenophalium Iredale 1927 [synonym]
Diagnosis
No diagnoses are available