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Seraphs volutatus
Taxonomy
Bulla volutata was named by Solander and Brander (1766) [Solander in Brander, 1766].
It was recombined as Seraphs volutatus by Caze et al. (2010).
It was recombined as Seraphs volutatus by Caze et al. (2010).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1766 | Bulla volutata Solander and Brander p. 34 figs. pl. 6, fig. 75 |
| 1802 | Terebellum convolutum Lamarck p. 390 figs. no. 1, vélin 2, fig. 7a, b |
| 1810 | Seraphs convolutum Montfort |
| 2010 | Seraphs volutatus Caze et al. pp. 426 - 428 figs. 5A, B, E; 6A-E; 7; 8 |
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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.
†Seraphs volutatus Solander and Brander 1766
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Invalid names: Seraphs convolutum Lamarck 1802 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Caze et al. 2010 | Shell up to 75 mm in height and 22 mm in diameter, slightly inflated with short and blunt to somewhat acute apex (Jung 1974). Aperture long and narrow. Callus of the inner lip very thin and rarely preserved except on some “gerontic” shells. Columella almost straight near the base, or rarely bent in some big shells. Outer lip very thin, not thickened, sinuous for the whole height and extending to the apex (Fig. 6B). Siphonal notch moderately deep on the dorsal side of the shell. No sculpture on the surface of the shell.
According to Jung (1974), perfectly preserved specimens from the Lutetian of Paris Basin show, in normal light, many small and irregular dots which compose the residual colour pattern. Under UV light, the colour pattern consists of numerous small dots on a lighter background (Fig. 7). Th ese dots, variable in size, show two levels of residual pigmentation (Fig. 7G). Th e fi rst one consists of triangle-like spots, darker than the background. Th e apex of these spots is directed towards the growing edge. Th e second one consists of spots with a fuzzy border, white, fl uorescent under UV light and directed towards the inner lip. Th ey are adjacent to the base of the dark spots. Light spots are variable in shape and size, but they are usually narrower than the dark spots (Fig. 7A-D, G-I). Th ese two components form the dots. Dot density is generally more important on the apical part of the shell. Th ey often form sinuous, axial rows nearly parallel to the edge of growth (Fig. 7A, B). Th e space between these rows is narrow on the apex and broader on the median and basal parts of the shell. |
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | France (Champagne Ardenne) | Seraphs volutatus (178002) | |
| Lutetian | France (Picardie) | Seraphs volutatus (178083) | |
| Lutetian | France (Eure-et-Loir) | Seraphs volutatus (178055) | |
| Lutetian | France | Seraphs volutatus (94590) Terebellum convolutum (184107) | |
| Bartonian | France (Oise) | Terebellum convolutum (3494) |