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Chilcatreta
Taxonomy
Chilcatreta was named by Lavié and Benedetto (2016). Its type is Chilcatreta tubulata.
It was assigned to Siphonotretidae by Lavié and Benedetto (2016) and Lavié and Benedetto (2020).
It was assigned to Siphonotretidae by Lavié and Benedetto (2016) and Lavié and Benedetto (2020).
Species
C. lariojana, C. tubulata (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Chilcatreta Lavié and Benedetto p. 1074 |
| 2020 | Chilcatreta Lavié and Benedetto |
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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.
G. †Chilcatreta Lavié and Benedetto 2016
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†Chilcatreta lariojana Lavié and Benedetto 2020
†Chilcatreta tubulata Lavié and Benedetto 2016
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. J. Lavié and J. L. Benedetto 2016 | Shell ventribiconvex with conical ventral valve and gently convex sulcate dorsal valve. Ventral pseudointerarea high, procline. Pedicle opening small closed posteriorly by a small plate, projected internally by a long, cylindrical pedicle tube.
Ornamentation of concentric rows of long hollow spines intercalated with pustules, alternating with rows formed exclusively by small pustules. Slightly enlarged median costa flanked by inconspicuous radial ribs in the apical region of ventral valve. (Lavié and Benedetto, 2016) |
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||