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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Acanthothyropsis crossi
Taxonomy
Rhynchonella crossi was named by Walker (1869). It is the type species of Acanthothyropsis.
It was recombined as Acanthothyropsis crossi by Kamyshan and Babanova (1973).
It was recombined as Acanthothyropsis crossi by Kamyshan and Babanova (1973).
Synonymy list
| Year | Name and author |
|---|---|
| 1869 | Rhynchonella crossi Walker p. 215 |
| 1973 | Acanthothyropsis crossi Kamyshan and Babanova p. 66 figs. Pl. 7, Fig. 5-7 |
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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.
†Acanthothyropsis crossi Walker 1869
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 9.70 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Early/Lower Bajocian or 171.60000 to 168.40000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bajocian | Russian Federation | Acanthothyropsis crossi (162860) | |
| Discites | Russian Federation | Acanthothyropsis crossi (162845 162873 162874 162875) |