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Eocypraea ewekoroensis

Gastropoda - Eocypraeidae

Taxonomy
Cypraea ewekoroensis was named by Adegoke (1977) [Cypraea, n. sp. Adegoke, 1972a, pi. 3, fig. 16; Adegoke, 1973, pi. 1, fig. 14. Cypraea sp. Adegoke, 1972b, pi. 1, fig. 11.]. Its type specimen is UIMG 312, a shell, and it is a 3D body fossil. Its type locality is Ewekoro Quarry, which is in a Selandian open shallow subtidal packstone in the Ewekoro Formation of Nigeria.

It was recombined as Eocypraea ewekoroensis by Wagner (2023).

Synonymy list
YearName and author
1977Cypraea ewekoroensis Adegoke pp. 142 - 143 figs. PI. 22, figs. 5-9
2023Eocypraea ewekoroensis Wagner

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
RankNameAuthor
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
superfamilyCypraeoidea(Rafinesque 1815)
familyEocypraeidaeSchilder 1924
subfamilyEocypraeinaeSchilder 1924
genusEocypraea
speciesewekoroensis()

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.

†Eocypraea ewekoroensis Adegoke 1977
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Diagnosis
ReferenceDiagnosis
O. S. Adegoke 1977Shell moderate to large, hemispherical, with broadly convex abapertural surface and gently flattened apertural surface. Spire concealed. Parietal surface of inner lip swollen adapically, tapers rapidly and merges with narrow, slightly twisted columella which encloses a shallow fossula. Outer lip rim swollen, adapical edge raised higher than parietal margin. Inner and outer lip margins bear a row of fine denticles of which the anterior ones are the most prominent. Apertural opening of subequal diameter adapically, broadly sinuous; opening out into a narrow atrium anteriorly. Shell completely smooth.