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Bethylonymellus imperfectus
Taxonomy
Bethylonymellus imperfectus was named by Rasnitsyn (1975). Its type specimen is PIN 2066/3395, an exoskeleton (female), and it is an impression. Its type locality is Karatau-Mikhailovka (PIN collection 2066), which is in a Callovian/Oxfordian lacustrine - large siltstone in the Karabastau Formation of Kazakhstan.
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Bethylonymellus imperfectus Rasnitsyn p. 100 figs. Fig 112 |
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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.
†Bethylonymellus imperfectus Rasnitsyn 1975
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Bush and Bambach 2015 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Callovian - Oxfordian | Kazakhstan (Chimkent) | Bethylonymellus imperfectus (type locality: 105971) |