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Siphonalia pritilatae
Taxonomy
Siphonalia pritilatae was named by Banerjee and Halder (2024). Its type specimen is PG/CG/Bc38, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Siphonalia pritilatae Banerjee and Halder pp. 40, 41 figs. 11F-J |
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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.
†Siphonalia pritilatae Banerjee and Halder 2024
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Banerjee and K. Halder 2024 | Ovate fusiform shell; protoconch rounded, paucispiral; 4–5 flat-sided, stepped spire whorls with well-defined subsutural ramp and shoulder; suture impressed and undulated; fine spiral ribs on ramp and whorl sides in spire whorls; axial ribs
stronger than spirals, rounded and thinner in early whorls and prominently spinose in later whorls; last whorl biangulate, first angulation at spinose shoulder and second at its transition to base, second one weaker; base well-excavated; axial ribs disappear in last whorl; spiral ribs continue until anterior-most end of last whorl, a smooth, depressed band appears at base; aperture oval; a wide, short and deflected anterior siphonal canal; siphonal fasciole weak; callus wide and thick. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||