Zachrysia trinitaria

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Zachrysia trinitaria
Zachrysia trinitaria.jpg
A live Zachrysia trinitaria.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily: Helicoidea
Family: Camaenidae
Genus: Zachrysia
Species: Z. trinitaria
Binomial name
Zachrysia trinitaria
(Pfeiffer, 1858)

Zachrysia trinitaria is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Camaenidae[clarification needed] or Pleurodontidae.[1]


This species is already established in the USA, and is considered to represent a potentially serious threat as a pest, an invasive species which could negatively affect agriculture, natural ecosystems, human health or commerce. Therefore it has been suggested that this species be given top national quarantine significance in the USA.[1]


  1. ^ a b Cowie R. H., Dillon R. T., Robinson D. G. & Smith J. W. (2009). "Alien non-marine snails and slugs of priority quarantine importance in the United States: A preliminary risk assessment". American Malacological Bulletin 27: 113-132. PDF.

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