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Nucleolaria cowlitziana

Gastropoda - Cypraeidae

Taxonomy
Nucleolaria cowlitziana was named by Groves (1994). Its type specimen is UCMP 39837, a shell, and it is a 3D body fossil. Its type locality is UCMP Loc. D-8040 - Cowlitz River, which is in a Bartonian deep-water siltstone in the Cowlitz Formation of Washington.

Synonymy list
YearName and author
1994Nucleolaria cowlitziana Groves pp. 247 - 248 figs. 6-7
1995Nucleolaria cowlitzensis Nesbitt p. 1066

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classGastropodaCuvier 1797
RankNameAuthor
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
superfamilyCypraeoidea(Rafinesque 1815)
familyCypraeidaeRafinesque 1815
subfamilyErosariinaeSchilder 1924
genusNucleolaria()
speciescowlitziana

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.

Diagnosis
ReferenceDiagnosis
L. T. Groves 1994A Nucleolaria with prominent dorsal nodules connected by fine threads, a dorsal sulcus, and a deep fossula.

Shell shape ovoid, medium in size; spire covered; maximum height slightly posterior of midpoint; dorsal groove faint; dorsal nodules smooth, circular, connected by fine threads that extend onto ventral surfaces and form prominent denticulation; slight marginal callus; aperture slightly curved posteriorly toward columella; denticulation prominent with smooth interstices, labial lip with 19 teeth, columellar lip with 18 teeth; fossula with strong denticulation; anterior and posterior canals prominently lengthened by terminal teeth.