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Kirengella expansus
Taxonomy
Gasconadeoconus expansus was named by Stinchcomb (1986). Its type specimen is USNM 313586, a shell, and it is a 3D body fossil.
It was recombined as Kirengella expansus by Stinchcomb and Angeli (2002) and Wagner (2023).
It was recombined as Kirengella expansus by Stinchcomb and Angeli (2002) and Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Gasconadeoconus expansus Stinchcomb p. 619 figs. 3.1-3.3 |
| 2002 | Kirengella expansus Stinchcomb and Angeli pp. 969 - 971 |
| 2023 | Kirengella expansus Wagner p. 3238 |
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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.
†Kirengella expansus Stinchcomb 1986
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. L. Stinchcomb 1986 | A small species of Gasconadeoconus characterized by a rapidly expanding, limpet-like shell.
Shell expanding rapidly at a constant rate forming a low cone exhibiting no curvature. Aperture round to slightly elliptical. Apex located toward presumed anterior. Shell encircled by a series of shallow growth lines with very faint longitudinal lines as exterior ornamentation. Muscle scars and other interior shell structures unknown. Shell profile low, total height of shell less than shell width. Projection of posterior slope (PPS) to length ratio, H:La = 0.67; shell is medium size in terminology of Rozov (1969). |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Hendy et al. 2009 | |||||