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Diodoceras avonensis
Taxonomy
Nautilus avonensis was named by Dawson (1868). It is the type species of Diodoceras.
It was recombined as Endolobus avonensis by Hyatt (1894); it was recombined as Diodoceras avonensis by Hyatt (1900).
It was recombined as Endolobus avonensis by Hyatt (1894); it was recombined as Diodoceras avonensis by Hyatt (1900).
Synonymy list
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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.
†Diodoceras avonensis Dawson 1868
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. Dawson 1868 | A large species, the outer chamber sometimes two inches or more in diameter. Whorls much flattened dorso-ventrally, slightly angulated at inner edge. Siphuncle dorsal, septa convex, about one-eighth of an inch apart. Belongs to genus Cryptoceras, D'Orbigny. Abundant at Windsor, and named after the Avon River, on the banks of which it occurs. |
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