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Lachryma

Gastropoda - Eratoidae

Taxonomy
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
2015Lachryma Bouchet

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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
superfamilyCypraeoidea(Rafinesque 1815)
familyEratoidaeGill 1871
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.

G. †Lachryma Gray 1832
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Lachryma senectus Murdoch 1924
Lachryma submorosa Laws 1935
Lachryma sulcifera Sowerby 1832
Lachryma vulcania Marwick 1926
Lachryma waitakiensis Laws 1935
Diagnosis
ReferenceDiagnosis
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.