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Teloceras labrum
Taxonomy
Teloceras labrum was named by Buckman (1922).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1792 | Ammonites coronatus Bruguiere p. 43 |
| 1820 | Ammonites coronatus Schlotheim |
| 1848 | Ammonites coronatus d'Orbigny p. 465 figs. Pl 168, 169 |
| 1900 | Ammonites coronatum Hyatt p. 580 |
| 1922 | Teloceras labrum Buckman |
| 1938 | Cadomites coronatus Roman |
| 1939 | Cadomites coronatus Roche p. 208 figs. Pl. 6, Figs 8a, b |
| 1952 | Teloceras labrum Arkell p. 271 figs. Pl 21, figs 2,11 |
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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.
†Teloceras labrum Buckman 1922
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Invalid names: Cadomites coronatus Bruguiere 1792 [replaced]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. d'Orbigny 1848 (Ammonites coronatus) | Shell strongly swollen, not keeled, decorated, by turn, near the umbilicus, fifteen compressed tubercles, placed on the angle of the towers. Each tuber gives birth, below outside, with two or three rounded, broad ribs, which pass over the back, where they number twenty-six to thirty-two per round. Spire formed of towers twice as wide as they are high, wider around the umbilicus, where they form part angular which, inside the umbilicus, descends obliquely and is applied to the salient angle of the previous turn, and forms the umbilia into a regular funnel. Very wide back,
vexed. Mouth transverse, narrow, convex outside, angular on the sides. Symmetrical partitions, cut on each side into three lobes and saddles formed of odd parts. Dorsal lobe a little shorter and wider than the upper lateral lobe, provided with three branches that are larger the lower they are. Dorsal saddle much wider than the upper lateral lobe, very jagged, formed of two unequal parts. Lateral-superior lobe broad, irregular, provided with three branches on the external side and two on the opposite side, independently of the terminal branch. Lateral saddle a third narrower than the upper lateral lobe, very irregularly divided. Lower lateral lobe very small, conical, slightly oblique. The auxiliary lobe very oblique and very small. The line of the central ray, starting from the end of the dorsal lobe, intersects the tip of the lateral-superior lobe and passes below the others. The line of the shell tubercles corresponds to the middle of the lateral saddle. |