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Kozlowskia subsphaeroidalis
Taxonomy
Kozlowskia subsphaeroidalis was named by Cooper and Grant (1975). Its type specimen is USNM 149797a, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM705a, Hess Ranch, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Skinner Ranch Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Kozlowskia subsphaeroidalis Cooper and Grant p. 975 figs. Pl 314, figs 1-20 |
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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.
†Kozlowskia subsphaeroidalis Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 15 | 8.36 | 6.80 | 13.0 | 8.00 | 2.01 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Williams et al. 2000 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 274.40000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Texas) | Kozlowskia subsphaeroidalis (75930 102613 105739 105763) | |
| Artinskian - Kungurian | USA (Texas) | Kozlowskia subsphaeroidalis (75929) | |
| Kungurian | USA (Texas) | Kozlowskia subsphaeroidalis (type locality: 43534) |