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Siphonalia tessaria
Taxonomy
Siphonalia tessaria was named by Olsson (1931). Its type locality is Belen and Pajarabobo, which is in a Priabonian deep-water limestone/shale in the Cone Hill Formation of Peru.
Sister species lacking formal opinion data
S. angusticostata, S. asakuraensis, S. bervillei, S. cooperi, S. dainitiensis, S. darwiniana, S. domeykoana, S. harrisi, S. hauniensis, S. ickei, S. ishikariensis, S. kannoi, S. kikaigashimana, S. laddi, S. longicanalis, S. mariae, S. mikado, S. mikado, S. newtonensis, S. newtonensis, S. nipponiva, S. noachina, S. oncodes, S. oncoides, S. ortmanni, S. perlata, S. plummeri, S. potomacensis, S. pseudofusoides, S. quadrilineata, S. sclarina, S. spadicea, S. stearnsii, S. subnodosa, S. trilira, S. wheatlandensis, S. yonabaruensis, S. varicosa
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Siphonalia tessaria Olsson p. 103 figs. Plate 18, Fig. 3 |
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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.
†Siphonalia tessaria Olsson 1931
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: Priabonian or 37.71000 to 33.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian | Peru | Siphonalia tessaria (type locality: 58685) |