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Caliendrum vittatum
Taxonomy
Buccinum vittatum was named by Phillips (1836). Its type specimen is BMNH PG 13, a shell, and it is a 3D body fossil. Its type locality is Bolland, Yorkshire (= Queensbury, Bradford), which is in a Brigantian carbonate limestone in the Danny Bridge Formation of the United Kingdom. It is the type species of Caliendrum.
It was recombined as Murchisonia vittata by d'Orbigny (1850); it was recombined as Murchisonia (Caliendrum) vittata by Donald (1895); it was recombined as Caliendrum vittatum by Brown (1849), Knight (1941), Wagner (2023).
It was recombined as Murchisonia vittata by d'Orbigny (1850); it was recombined as Murchisonia (Caliendrum) vittata by Donald (1895); it was recombined as Caliendrum vittatum by Brown (1849), Knight (1941), Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1836 | Buccinum vittatum Phillips p. 230 figs. pl. 16 f. 14 |
| 1849 | Caliendrum vittatum Brown p. 52 figs. pl. 32 f. 20 |
| 1850 | Murchisonia vittata d'Orbigny p. 122 |
| 1895 | Murchisonia (Caliendrum) vittata Donald pp. 231 - 232 figs. pl. 10 f. 6-7 |
| 1941 | Caliendrum vittatum Knight p. 65 figs. Plate 23, figures 2a-c |
| 2023 | Caliendrum vittatum Wagner p. S661 |
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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.
†Caliendrum vittatum Phillips 1836
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. G. Donald 1895 | Shell large, buccinoid, composed of more than six whorls. Spire varying in elevation. Whorls convex, ventricose, smooth, increasing somewhat rapidly, the body-whorl large compared with the length of the spire. Sinual baud broad, flat, but slightly raised above the surface, bounded by a groove on each side, situated about the middle of the whorls of the spire. Lines of growth strong, curving backwards to the band above, forwards below, and arched on the band itself. Sinus in the outer lip deep. Mouth elliptical, longer than wide. Cohmella slightly arched forward. Sutures deep. No umbilicus. Test thin. | |
| J. B. Knight 1941 | Relatively large, moderately high-spired, turbiniform gastropods with a narrow sinus in the outer lip culminating in a short slit that gives rise to a selenizone: whorl profile evenly and strongly rounded; sutures deep; base rounded, seemingly anomphalous at ephebic stages, though probably phaneromphalous or cryptomphalous at neanic stages; columellar lip seemingly thin; parietal lip with a markedly thickened inductura probably extending somewhat outside the aperture; outer lip with a deep V-shaped sinus culminating at about mid-whorl height in a short slit about one-twelfth the whorl circumference in length; the edge of the outer lip passing obliquely backward from the upper suture at first at an angle of about 30 degrees with the vertical but rounding to a much higher angle close to the slit, leaving the slit below at a very high forward obliquity for a very short distance, then turning roundly to pass onto the base with a slight backward obliquity; selenizone very gently convex, bordered above and below by a shallow stria; lunulae deep and somewhat asymmetrical, culminating in the upper half of the selenizone with the lower oblique limb the longer; ornamentation other than the growth lines and selenizone wanting; earliest whorls unknown. The holotype, a specimen of five final whorls, measures about 63 mm. in height and 45 mm. in width, with a pleural angle of about 32 degrees. The body whorl measures about 45 mm. in height. |
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: Brigantian or 335.90000 to 330.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Brigantian | United Kingdom (England) | Buccinum vittatum (type locality: 67670) |