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Siphonalia kalpanae
Taxonomy
Siphonalia kalpanae was named by Banerjee and Halder (2024). Its type specimen is PG/CG/Bc1, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
S. angusticostata, S. asakuraensis, S. bervillei, S. cooperi, S. dainitiensis, S. darwiniana, S. domeykoana, S. harrisi, S. hauniensis, S. ickei, S. ishikariensis, S. kannoi, S. kikaigashimana, S. laddi, S. longicanalis, S. mariae, S. mikado, S. mikado, S. newtonensis, S. newtonensis, S. nipponiva, S. noachina, S. oncodes, S. oncoides, S. ortmanni, S. perlata, S. plummeri, S. potomacensis, S. pseudofusoides, S. quadrilineata, S. sclarina, S. spadicea, S. stearnsii, S. subnodosa, S. trilira, S. wheatlandensis, S. yonabaruensis, S. varicosa
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Siphonalia kalpanae Banerjee and Halder pp. 38-40 figs. 11A-E |
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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 kalpanae Banerjee and Halder 2024
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Banerjee and K. Halder 2024 | Ovate fusiform shell; 5 convex and rounded spire
whorls, sometimes with weakly developed shoulder and ramp; impressed and undulated suture; whorls ornamented with strong spiral ribs, number of which increases abapically, weak lines occur between ribs; axial ribs thicker than spirals, sinuous, swelling at shoulder; convex last whorl with thick axial ribs, which disappear below mid-whorl, also with numerous spiral ribs of variable strength, spirals continue up to anterior-most end, strongest at the start of base; base excavated; siphonal fasciole moderately strong to weak, posteriorly bordered by a keel; aperture oval; anterior siphonal canal wide, short and deflected; 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 | |||||