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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ajacicyathus crassus
Taxonomy
Ajacicyathus crassus was named by Debrenne (1961).
Sister species lacking formal opinion data
A. aequitriens, A. ajax, A. anabarensis, A. araius, A. arteintervallum, A. bedfordorum, A. biohermicus, A. cautus, A. centesimus, A. consuetus, A. foraminatus, A. gigantoporus, A. immanis, A. mongolicus, A. rimouski, A. shoricus, A. subturbidus, A. tkatchenkoi, A. tkatschenkoi, A. turbidus, A. virgathus, A. virgatus, A. aequitriens
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Ajacicyathus crassus Debrenne p. 36 figs. 3: 1a-c |
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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.
†Ajacicyathus crassus Debrenne 1961
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| References: Kiessling 2004, Bambach et al. 2007 | |||||
Age range: Atdabanian or 521.00000 to 516.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Canada (British Columbia) | Ajacicyathus crassus (49012) |