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Gastropoda - Triviidae

Lachryma was named by Gray (1832) [Sepkoski's age data: T Eo-l T Mi-m Sepkoski's reference number: 899].

It was synonymized subjectively with Proterato (Sulcerato) by Vaught et al. (1989); it was reranked as Erato (Lachryma) by Okutaini (2000).

It was assigned to Erato by Okutaini (2000); to Neotaenioglossa by Sepkoski (2002); and to Eratoinae by Cernohorsky (1971), Beu et al. (1990) and Bouchet (2015).

Synonymy list
YearName and author
1832Lachryma Gray
1971Lachryma Cernohorsky p. 105
1990Lachryma Beu et al. p. 408
2000Erato (Lachryma) Okutaini p. 243
2002Lachryma Sepkoski, Jr.
2015Lachryma Bouchet

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EubilateriaAx 1987
classGastropodaCuvier 1797
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
superfamilyVelutinoideaGray 1840
familyTriviidaeTroschel 1863
subfamilyEratoinaeGill 1871
genusLachrymaGray 1832

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.

W. O. Cernohorsky 1971Shell very small, biconic, smooth or granulose, occasionally with a dorsal groove, spire broad and projecting, labial lip convex and slightly reflected; aperture lateral, narrow and oblique, lips dentate, posterior columellar denticles often obsolete, fossula moderately concave. Anterior of columellar lip with 2-3 stronger plications not separated from the columellar denticles. Unicoloured or banded, anterior extremity often violet.