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Megadesmus trigonalis
Taxonomy
Notomya trigonalis was named by Johnston (1887). It is a 3D body fossil. Its type locality is Western Tiers, which is in a Kungurian coastal sandstone in the Weston Formation of Australia.
It was synonymized subjectively with Megadesmus grandis by Runnegar (1967); it was recombined as Megadesmus trigonalis by Waterhouse (1969).
It was synonymized subjectively with Megadesmus grandis by Runnegar (1967); it was recombined as Megadesmus trigonalis by Waterhouse (1969).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1887 | Notomya trigonalis Johnston p. 14 |
| 1969 | Megadesmus trigonalis Waterhouse p. 41 |
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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.
†Megadesmus trigonalis Johnston 1887
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Diagnosis
No diagnoses are available