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Eumorphoceras rotuliforme
Taxonomy
Eumorphoceras rotuliforme was named by Ruan (1981). Its type specimen is Nanjing Institute of Geology specimen 48830 and is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Eumorphoceras rotuliforme Ruan p. 189 figs. Text figure 35; Plateplate 5, figures 21-22 |
| 2000 | Eumorphoceras rotuliforme Titus p. 18 figs. Plate 2, figures 4-10, 12-16; figure 16 |
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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.
†Eumorphoceras rotuliforme Ruan 1981
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. L. Titus 2000 | Species with a moderate number of regularly shaped, high relief, sickle-shaped ribs (approximately 22-26 per whorl), a broad intrasulcate ventral region in juvenile shells, and an average width umbilical diameter in shells less than 10-15 mm in diameter. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections
No collection or age range data are available