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Subepona goedertorum
Taxonomy
Proadusta goedertorum was named by Groves and Squires (1995). Its type specimen is LACMIP 12375, a shell, and it is a 3D body fossil. Its type locality is CSUN Loc. 1563, Larch Mountain area, Black Hills, which is in a Ypresian sand shoal mudstone in the Crescent Formation of Washington.
It was recombined as Eopustularia goedertorum by Fehse (2010); it was recombined as Subepona goedertorum by Groves and Squires (2023).
It was recombined as Eopustularia goedertorum by Fehse (2010); it was recombined as Subepona goedertorum by Groves and Squires (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Proadusta goedertorum Groves and Squires pp. 114 - 115 figs. 2-5 |
| 2010 | Eopustularia goedertorum Fehse p. 5 |
| 2023 | Subepona goedertorum Groves and Squires p. 11 figs. Figures 4I-N |
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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.
†Subepona goedertorum Groves and Squires 1995
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. T. Groves and R. L. Squires 1995 | A Proadusta of small to medium size with produced extremities, posteriorly curved aperture, fine teeth, and smooth, wide fossula.
Shell ovate shaped, small to medium in size with prominent produced extremities; spire covered; dorsum highly arched and smooth; maximum height slightly posterior of midpoint; slight marginal callus; base convex; aperture curved posteriorly toward columella; labial lip with 26 strong teeth with smooth interstices; columellar lip with 17 weak teeth with smooth interstices; teeth produced at both extremities forming slight anterior marginal ridges, indistinct in posterior canal; fossula wide, smooth, concave; posterior and anterior terminal canals shallow and narrow; columellar lip slightly inflated; shallow pit above posterior terminus at base of dorsum. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||