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Aroonia seposita
Taxonomy
Aroonia seposita was named by Bengtson et al. (1990) [Bengston in Bengston et al. 1990]. Its type specimen is SAMP 30796, a shell, and it is a 3D body fossil. Its type locality is L1822, L1871, NMVPL1503 - Mt. Scott Range, which is in an Atdabanian carbonate limestone in the Ajax Limestone Formation of Australia. It is the type species of Aroonia.
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Aroonia seposita Bengtson et al. pp. 181 - 182 figs. 119-123 |
| 2001 | Aroonia seposita Gravestock et al. p. 209 figs. Pl. LIV, figs. 9-12 |
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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.
†Aroonia seposita Bengtson et al. 1990
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. I. Gravestock et al. 2001 | The shell is small, semi-oval in outlines, bi-convex, inequivalved, but equilateral. One of the valves bears a tooth-like structure on the hinge margin, the opposite valve bears corresponding pit. |