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Ptychatractus is a
genus of sea snails,
marine gastropod mollusks in the
family Ptychatractidae.
Species within the
genus Ptychatractus include: Ptychatractus...
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Ptychatractus youngi is a
species of sea snail, a
marine gastropod mollusk in the
family Ptychatractidae. Kilburn, R. N. 1975.
Taxonomic notes on South...
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Ptychatractus ligatus,
common name the
ligate false spindle, is a
species of sea snail, a
marine gastropod mollusk in the
family Ptychatractidae. Mighels...
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Ptychatractus occidentalis is a
species of sea snail, a
marine gastropod mollusk in the
family Ptychatractidae. Stearns, R.E.C. (1873)
Descriptions of...
- and
Turbonilla subterranea –
pyramid s****
Patella sp. –
Patellidae Ptychatractus aff. interuptus, Scap****a
wetherelli and
Volutospina nodosa – volutes...
- (Jonas, 1846)
Fasciolaria ligata Mighels & C.B. Adams, 1842:
synonym of
Ptychatractus ligatus (Mighels & C.B. Adams, 1842)
Fasciolaria lignaria (Linnaeus...
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Exilia Conrad, 1860
Exilioidea Grant & Gale, 1931
Metzgeria Norman, 1879
Ptychatractus Stimpson, 1865
Latiromitra Locard, 1897 - In 2010
Latiromitra has been...
- (2001).
Ptychatractus cataractus Sp. nov
Valid Garvie Paleocene (Danian)
Kincaid Formation United
States ( Texas) A
species of
Ptychatractus. Pulchraspira...
- †Pterotheca
Pterotrachea Pterotyphis †Pterygia
Pterynotus †Ptomatis †
Ptychatractus †Ptycheulimella †Ptychobellerophon †Ptychocaulus †Ptychocerithium †Ptychocylindrites...
