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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Concavocycloides
Taxonomy
Concavocycloides was named by Boczarowski (2001). Its type is Concavocycloides givetiensis.
It was assigned to Apycnodiscidae by Boczarowski (2001).
It was assigned to Apycnodiscidae by Boczarowski (2001).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Concavocycloides Boczarowski pp. 66-67 |
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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.
G. †Concavocycloides Boczarowski 2001
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†Concavocycloides eifeliensis Boczarowski 2001
†Concavocycloides frasniensis Boczarowski 2001
†Concavocycloides givetiensis Boczarowski 2001
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Boczarowski 2001 | All marginals with single cupules lacking tubercles. The crown, with facet canal openings, has irregularly arranged channels at its surface. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Emsian to the top of the Middle Frasnian or 410.62000 to 375.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Emsian | Poland (Kielecki) | C. givetiensis (94468 94469) | |
| Eifelian | Poland (Swietokrzyskie) | C. eifeliensis (94477) | |
| Late/Upper Givetian | Poland | C. givetiensis (82739 83086) | |
| Middle Frasnian | Poland | C. frasniensis (99445) |