Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cytheridea pirabasensis
Taxonomy
Cytheridea pirabasensis was named by Nogueira et al. (2011). Its type specimen is MPEG-87-M and is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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2011 | Cytheridea pirabasensis Nogueira et al. p. 232 figs. Plate 9 Figs. 7–11 |
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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.
†Cytheridea pirabasensis Nogueira et al. 2011
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Diagnosis
Reference | Diagnosis | |
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A. A. E. Nogueira et al. 2011 | Large carapace, subtriangular. Dorsal margin convex. Ventral margin nearly straight in both valves. Parallel extremities in dorsal view, sulci prominent. Highly denticulate anterior margin. Posterior margin narrow with two flattened spines. Internal view with short sulcus in the dorso-median region. Surface slightly ornamented by rounded pits distributed irregularly bit concentrated in along margins. |
Measurements
No measurements are available
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Source: f = family, o = order, c = class | |||||
References: Bush and Bambach 2015, Jell and Adrain 2002, Kiessling 2004 |
Age range: Early/Lower Miocene or 23.04000 to 15.98000 Ma
Collections (5 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Miocene | Brazil (Para) | Cytheridea pirabasensis (235580 235673 235677 235682 235687) |