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Composita quadrirotunda
Taxonomy
Athyris quadrirotundus was named by Lee and Su (1980) [Listed as Actinoconchus quadrirotunda in plate caption]. It is a 3D body fossil. Its type locality is Chaganhada, Jalaid Qi, which is in a Capitanian marine horizon in the Liutiagou Formation of China.
It was recombined as Composita quadrirotunda by Clapham (2015).
It was recombined as Composita quadrirotunda by Clapham (2015).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Athyris quadrirotundus Lee and Su p. 400 figs. Pl 175, fig 6 |
| 2015 | Composita quadrirotunda Clapham |
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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.
†Composita quadrirotunda Lee and Su 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Capitanian or 264.28000 to 259.51000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | China (Nei Mongol) | Athyris quadrirotundus (type locality: 95256) |