| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Philhedra pauciradiata was named by Benedetto (2015). Its type specimen is CEGH-UNC 25768, a valve (internal and external molds of a single dorsal valve), and it is a 3D body fossil. Its type locality is Cerro La Chilca Section Palaeoglossa–Chilcorthis Association, which is in a Darriwilian deep-water shale/marl in the Los Azules Formation of Argentina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Philhedra pauciradiata Benedetto p. 87 fig. 5.1–6 |
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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.
†Philhedra pauciradiata Benedetto 2015
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. L. Benedetto 2015 | Depressed conical, subrectangular dorsal valve with excentric apex, ornamented by 10–12 strong growth lamellae bearing on their tops hollow spines either forming poorly defined radial rows or being irregularly distributed. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Hendy 2009, Williams et al. 1996 | |||||
Age range: Darriwilian or 467.30000 to 458.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Darriwilian | Argentina (San Juan) | Philhedra pauciradiata (type locality: 195044) |