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Pachycerithium richardi
Taxonomy
Pachycerithium richardi was named by Banerjee and Halder (2024). Its type specimen is PG/CG/Cr22, a shell, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Pachycerithium richardi Banerjee and Halder p. 19 figs. 6P-V |
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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.
†Pachycerithium richardi Banerjee and Halder 2024
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Banerjee and K. Halder 2024 | Shell slender and turreted with long spire; flat-sided
spire whorls; prominent spiral and axial ribs in early whorls, axial ribs persist and become stronger in late ontogeny, spirals weaken, then completely disappear after sixth or seventh whorl, base of last whorl bear only spirals, axial ribs disappear in the dorsal side of the last whorl; inner lip calloused; aperture with a long and deflected anterior canal, no posterior canal; no varices on whorl surface |
Measurements
No measurements are available
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| Source: f = family, superf = superfamily, c = class | |||||
| References: Hendy et al. 2009, Bush and Bambach 2015, Kiessling 2004 | |||||