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Semicassis pyrum (Lamarck, 1822)
The shell varies markedly in size, thickness, colour pattern, spire height, the presence or absence of ridges inside the outer lip, and the presence or absence of one or two rows of nodules around the shoulder, and the many subtly different, intergrading ecological forms have received many "species" names, but are of no biological significance.
Synonymised names:
Cassidea multisecta Finlay, 1924
Cassidea stadialis Hedley, 1914
Cassis nivea Brazier, 1872
Cassis pirum (misspelling)
Cassis pyrum Lamarck, 1822 (original combination)
Cassis striatus Hutton, 1873 † (invalid: junior homonym of Cassis striatus J. Sowerby, 1812; Cassidea multisecta Finlay, 1924 is a replacement name)
Cassis tumida Petterd, 1886
Phalium pyrum (Lamarck, 1822)
Phalium stadiale (Hedley, 1914)
Semicassis (Semicassis) pyrum (Lamarck, 1822)· accepted, alternate representation
Xenogalea denda Cotton, 1945
Xenogalea finlayi Iredale, 1927
Xenogalea halli Cotton, 1954
Xenogalea mawsoni Cotton, 1945
Xenogalea powelli Finlay, 1928
Xenogalea pyrum (Lamarck, 1822)
Xenogalea spectabilis Iredale, 1929
Xenogalea stadialis (Hedley, 1914)
Xenogalea wilsoni Cotton, 1954
Xenophalium (Xenogalea) abernethyi Dell, 1956
Xenophalium (Xenogalea) matai Powell, 1952
Xenophalium abernethyi Dell, 1956
Xenophalium finlayi (Iredale, 1927)
Xenophalium hamiltoni Powell, 1928
Xenophalium harrisonae Powell, 1928
Xenophalium matai Powell, 1952
Xenophalium pyrum (Lamarck, 1822)
Xenophalium pyrum pyrum (Lamarck, 1822)
Xenophalium wanganuiense Powell, 1928
The shell varies markedly in size, thickness, colour pattern, spire height, the presence or absence of ridges inside the outer lip, and the presence or absence of one or two rows of nodules around the shoulder, and the many subtly different, intergrading ecological forms have received many "species" names, but are of no biological significance.
Synonymised names:
Cassidea multisecta Finlay, 1924
Cassidea stadialis Hedley, 1914
Cassis nivea Brazier, 1872
Cassis pirum (misspelling)
Cassis pyrum Lamarck, 1822 (original combination)
Cassis striatus Hutton, 1873 † (invalid: junior homonym of Cassis striatus J. Sowerby, 1812; Cassidea multisecta Finlay, 1924 is a replacement name)
Cassis tumida Petterd, 1886
Phalium pyrum (Lamarck, 1822)
Phalium stadiale (Hedley, 1914)
Semicassis (Semicassis) pyrum (Lamarck, 1822)· accepted, alternate representation
Xenogalea denda Cotton, 1945
Xenogalea finlayi Iredale, 1927
Xenogalea halli Cotton, 1954
Xenogalea mawsoni Cotton, 1945
Xenogalea powelli Finlay, 1928
Xenogalea pyrum (Lamarck, 1822)
Xenogalea spectabilis Iredale, 1929
Xenogalea stadialis (Hedley, 1914)
Xenogalea wilsoni Cotton, 1954
Xenophalium (Xenogalea) abernethyi Dell, 1956
Xenophalium (Xenogalea) matai Powell, 1952
Xenophalium abernethyi Dell, 1956
Xenophalium finlayi (Iredale, 1927)
Xenophalium hamiltoni Powell, 1928
Xenophalium harrisonae Powell, 1928
Xenophalium matai Powell, 1952
Xenophalium pyrum (Lamarck, 1822)
Xenophalium pyrum pyrum (Lamarck, 1822)
Xenophalium wanganuiense Powell, 1928