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Erato gallica
Taxonomy
Erato gallica was named by Schilder (1932). Its type specimen is CS 10, a shell, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Erato gallica Schilder p. 255 |
| 2012 | Erato gallica Fehse and Grego pp. 30 - 31 figs. Plate 1, fig. 12; Plate 9, fig. 4; Plate 12, figs 1-5 |
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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.
†Erato gallica Schilder 1932
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. Fehse and J. Grego 2012 | Shell medium sized, relatively fragile, pearshaped with an elevated, rounded spire. Protoconch mostly covered by callus, but visible in one specimen. It consists of 1 to 1% depressed whorls and a minute nucleus. Suture faintly visible. Teleoconch consists of approximately 3% whorls. Spire covered by callus hiding the suture. Body whorl almost 80% of total shell height, with the maximum diameter at * of the distance from the adapical suture, evenly tapering below and somewhat constricted at the ventrum. Dorsum irregularly covered with minute pustules around the spire. Dorsum rounded. Dorsal sulcus represented by at least a dimple behind the anterior extremity in fully adult specimens. Aperture comprises c. 75% of total shell height, almost straight and narrow. Labrum thickened, smooth, somewhat rounded and sloping slightly into the aperture, rounded at the outer margin, bearing up to 20 rather fine teeth, which extend slightly onto the labrum. Siphonal canal short, indented, rounded and straight. Columella slightly curved, with a weakly developed inner carinal ridge and a rounded parietal lip. Columellar denticles posteriorly obscured (16 in holotype). Anterior 3-5 denticles are developed as folds. Basal folds run with different obliqueness across the ventrum, the remaining ones weakly developed or obsolete. Fossula not delimited from the columella. Inner fossular margin protruded. Terminal ridge simple.
Range of variation – The number and condition of the labral dentition vary considerably and could sometimes be very coarse and less numerous (down to 14 in number). |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||