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Crepidula ungana

Gastropoda - Neotaenioglossa - Calyptraeidae

Taxonomy
Crepidula ungana was named by Dall (1908) [DISTRIBUTION: Late Oligocene; Pacific Coast, North America.]. It is not a trace fossil.

Sister species lacking formal opinion data
C. arenata, C. gaultiana, C. nidatoriensis, C. radiata, C. stillwaterensis

Synonymy list
YearName and author
1908Crepidula ungana Dall p. 118 figs. pl. 10, figs. 8, 9
1944Crepidula ungana Durham p. 162
1973Crepidula ungana Addicott p. 18
2003Crepidula ungana Oleinik and Marincovich Jr p. 40

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
orderNeotaenioglossaHaller 1882
suborderPtenoglossa(Gray 1853)
superfamilyCalyptraeoideaLamarck 1809
familyCalyptraeidaeLamarck 1809
genusCrepidulaLamarck 1799
speciesunganaDall 1908

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.

†Crepidula ungana Dall 1908
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Diagnosis
No diagnoses are available